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WO2021216066A1 - Éléments modulaires de production de digesteur - Google Patents

Éléments modulaires de production de digesteur Download PDF

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Publication number
WO2021216066A1
WO2021216066A1 PCT/US2020/029347 US2020029347W WO2021216066A1 WO 2021216066 A1 WO2021216066 A1 WO 2021216066A1 US 2020029347 W US2020029347 W US 2020029347W WO 2021216066 A1 WO2021216066 A1 WO 2021216066A1
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WO
WIPO (PCT)
Prior art keywords
mimicry
bio
modular
prefabricated
portable
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Ceased
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PCT/US2020/029347
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English (en)
Inventor
Jan Allen
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Impact Bioenergy Inc
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Impact Bioenergy Inc
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Priority to PCT/US2020/029347 priority Critical patent/WO2021216066A1/fr
Publication of WO2021216066A1 publication Critical patent/WO2021216066A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower or fuel cells
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/043—Treatment of partial or bypass streams
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/10—Energy recovery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/20—Sludge processing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Definitions

  • Energy output is also considered a by-product.
  • heat production from composting, biogas from digestion, and syngas from gasification are by-products.
  • Accessories fueled by biogas from digestion include hot water heaters, electricity generation, radiant space heaters, lighting, fireplaces or fire pits, barbeques, cooking equipment, and CNG vehicle fueling.
  • Organic waste processing facilities are typically designed at a scale of 100 to over 1,000 tons per day. They exist in four industrial sectors: wastewater treatment, manure treatment, industrial process plants, and urban organic recycling plants. These processing facilities control feedstock preparation, residence time, temperature, moisture, density, oxygen, pH, and particle size. They may also control odors, typically with a one-stage treatment system.
  • Zero Waste Movement There is a desire and need for renewable energy, energy independence, distributed energy generation, diversion of organic waste from disposal, and zero waste systems.
  • Zero Waste Movement Coupling two or more of the above technologies (modes) together in a synergistic way to reduce by-product waste and increase usable energy/heat production will help achieve the goals of the Zero Waste Movement.
  • trans-esterification can benefit from a downstream anaerobic digester to convert surplus glycerin into valuable energy and fertilizer.
  • the practice of coupling these technologies can be referred to as by-product synergy.
  • the use of machinery that replicates natural systems that are similar to those used by plants or animals is referred to as biomimicry.
  • an anaerobic digester replicates a cow’s gastrointestinal tract with regard to mastication, multiple stomachs, gas production, and fertilizer production.
  • smaller scale digester biomimicry systems as stand-alone systems near locations where the waste products are generated to minimize or eliminate trucking waste.
  • reliable cost-efficient biomimcry systems may be employed by more users in more diverse locales.
  • the combined effect of use of smaller scale multi-modal systems, the elimination of trucking costs, and prefabrication creates the benefit of lower risk, distributed utilities, and more local resiliency regarding jobs, energy, food, and other resources.
  • An objective of this invention is to provide an apparatus that allows for the biodegrading of food waste, food service paper products, wet waste, paper cardboard, landscape waste, and other organic solids using a prefabricated, multi-modal, portable, modular system that includes a series of biomimcry vessels in multiple mode deployment (“Bioenergy System”).
  • Bioenergy System This prefabricated smaller scale modular Bioenergy System is capable of being transported by road, rail or sea, for the purpose of being quickly deployed for use.
  • Use of the Bioenergy System as envisioned will result in minimizing transportation costs and economic risks associated with the implementation of an organic waste processing facility.
  • the Bioenergy System will also allow local use of generated energy through the use of micro-grids or other conversion facilities.
  • FIG. 1A shows a plan view of a primary module of a two-digester-chamber biomimcry system using rectangular chambers according to illustrative embodiments of the present invention
  • Fig. IB shows a plan view of a primary module of a multi-modal biomimcry system with a large capacity waste processor and a digestate storage apparatus according to illustrative embodiments of the present invention
  • FIG. 2 shows a plan view of a primary module of a two-digester-chamber biomimcry system using circular digester chambers in the primary module according to illustrative embodiments of the present invention
  • FIG. 3 shows a plan view of a two-digester-chamber biomimcry apparatus with a large capacity, a capacity expansion module, with a level control apparatus, and with a mixing and digester heating apparatus, according to illustrative embodiments of the present invention
  • Fig. 4 shows a long cross section view through the primary module of a two-digester- chamber biomimcry system, with a biofilter apparatus, an organic waste processor apparatus, a blending, buffering, and dosing apparatus, an heating apparatus, a gas treatment apparatus, a surplus gas combustion apparatus, and an odor control system exhaust apparatus, according to illustrative embodiments of the present invention;
  • FIG. 5 shows a short cross section view through the primary module of a two-digester- chamber biomimcry system with a receiving, inspection, and sorting table apparatus, an organic waste processor apparatus, a digester apparatus, an odor control exhaust apparatus, and a gas storage apparatus, according to illustrative embodiments of the present invention
  • Fig. 6 shows a plan view and a long cross section view through both chambers of a digester apparatus of a two-digester-chamber biomimcry system with a continuously stirred tank reactor zone apparatus, a fixed film packed bed reactor zone apparatus, a partition separating the two zones, a liquid level overflow control system apparatus, a biogas discharge system apparatus, and a plurality of devices for mixing, scum destruction, solids recirculation, and sampling, according to illustrative embodiments of the present invention.
  • the continuously stirred tank reactor 17 re-entrains and emulsifies floating fat, oil, and/or grease so that fat, oil, and/or grease are digestible within the middle and lower biochemically active zones in the reactor.
  • Fig. 7 shows a short cross section through a second chamber and a matching elevation view of a digester apparatus showing a plurality of holes in the partition, a plurality of fittings on a downstream end of the digester, and gas discharge apparatus, according to illustrative embodiment of the present invention
  • Fig. 8 shows a cross section of a pressure regulation apparatus, a safety relief apparatus, and backflow prevention apparatus within a gas treatment system, according to embodiments of the present invention
  • FIG. 9 shows a long side elevation view of both sides, and a short side elevation view of a side with large access doors for a prefabricated ISO intermodal container enclosure according to embodiments of the present invention
  • Fig. 10 shows a section view of a pre-grinder device that may be a first part of an organic waste processor according to embodiments of the present invention
  • FIG. 11 schematically shows a solid, liquid, and gas control process diagram downstream of a pre-grinder device according to embodiments of the present invention
  • Fig. 12A and Fig. 12B show a plan view and an elevation view, respectively, of a primary module of a two-digester-chamber biomimcry system coupled to a secondary energy storage module according to embodiments of the present invention
  • Fig. 13A, Fig. 13B, and Fig. 13C show a plan view, a left side elevation view, and a left side isometric view, respectively, of a primary module of a three-digester-chamber biomimicry system according to embodiments of the present invention
  • FIG. 14 schematically shows a process flow for a three-digester-chamber biomimicry system according to embodiments of the present invention
  • Fig. 15 shows a plan view of a primary module, a secondary digester module, a tertiary gas storage module, and a quaternary double membrane spherical gas storage module, of a bio mimicry system according to embodiments of the present invention
  • FIG. 16 shows a system for processing food waste and food service paper products waste inputs, representing one possible embodiment of the present invention, which utilizes a three- digester-chamber system, and outputting liquid soil amendment to a digestate liquid storage apparatus, and biogas to a biogas storage apparatus;
  • Fig. 17 shows a system for processing food waste, food service paper products waste, and other organic solids waste inputs, representing one possible embodiment of the present invention, which utilizes a three-digester-chamber system, and outputting liquid soil amendment to a digestate liquid storage apparatus, and biogas to a biogas storage apparatus; and
  • Fig. 18 shows a system for processing commingled food, wet waste, paper, paper cardboard, and landscape waste inputs, representing one possible embodiment of the invention, which utilizes a three-digester-chamber system, and outputting liquid soil amendment to a digestate liquid storage apparatus, and biogas to a biogas storage apparatus.
  • Fig. 19A, 19B and 19C show apian view
  • Fig. 19D, 19E and 19F show short side elevation views of both sides, of a semi-solid continuous plug flow horizontal digester.
  • multi-modal and “biomimcry” are used herein in a manner consistent with their respective dictionary definitions.
  • a multi-modal biomimcry system refers to a biomimcry system employing more than one of the processes described.
  • anaerobic digestion and grammatical equivalents thereof are used herein to refer to a process of decomposition of biodegradable material that occurs using microorganisms that do not require oxygen to survive.
  • the term “aerobic digestion” and grammatical equivalents thereof are used herein to refer to a process of decomposition of biodegradable material that occurs using microorganisms that require oxygen.
  • the term “alternating digesting system” and grammatical equivalents thereof are used herein to refer to a process wherein anaerobic digestion is followed by aerobic digestion accomplished through forced aeration, the processes all taking place within the same vessel.
  • trans-esterification system and grammatical equivalents thereof are used herein to refer to a process of creating biodiesel from complex organic matter such as vegetable oil, animal oils, animal fats, tallow and waste cooking oil, wherein alcohol reacts with fatty acids to form biodiesel and crude glycerol.
  • product package separation system and grammatical equivalents thereof are used herein to refer to a process designed to separate organic materials from non-organic materials, including packaging materials such as plastics and paper.
  • gasification system and grammatical equivalents thereof are used herein to refer to a process that converts organic based carbonaceous materials into syngas (from synthesis gas), a fuel gas mixture consisting primarily of hydrogen, carbon monoxide and carbon dioxide.
  • drying system and grammatical equivalents thereof are used herein to refer to a process that removes moisture from sludge, sewage and digestate so the material may be used for biomass energy, organic fertilizer and compost, and animal bedding.
  • the term “prilling system” and grammatical equivalents thereof are used herein to refer to a process wherein the output of a digestion vessel is pelletized, transforming the material into a neater form that is simpler to handle.
  • components A, B, and C can consist of (i.e. contain only) components A, B, and C, or can contain not only components A, B, and C but also one or more other components.
  • the defined steps can be carried out in any order or simultaneously (except where the context excludes that possibility), and the method can include one or more other steps which are carried out before any of the defined steps, between two of the defined steps, or after all the defined steps (except where context excludes that possibility).
  • a range is given as “(a first number) to (a second number” or “(a first number) - (a second number),” this means a range whose lower limit is the first number and whose upper limit is the second number.
  • 25 to 100 mm means a range whose lower limit is 25mm, and whose upper limit is 100mm.
  • the present invention is related to a prefabricated, multi-modal, portable, modular, biomimcry system, a Bioenergy System.
  • a Bioenergy System one of the above-named processes, or their equivalents, rely upon another process to avoid and/or minimize hauling and disposal expense and/or environmental liability by utilizing by-product created in a first mode in subsequent modes until by-products are no longer usable or saleable.
  • the embodiments of the Bioenergy System herein described include a receiving and metering tank, a first stage digester tank, blending-mixing-buffering-dosing tanks, a gravity settling and decant tank, a packed bed reactor, and a horizontal plug flow semi- solid reactor, all of which are designed as portable tanks on a common chassis or frame.
  • the process control of the embodiments of the Bioenergy System herein described contains valves, manifolds, pumps, heating, decanting, gas conditioning system, and odor control.
  • the entire skid mounting systems of the embodiments herein described are portable.
  • Portable is defined as being a complete, prefabricated system, mounted on a skid or platform capable of being lifted by a crane onto a trailer or rolling stock capable of being towed by a motorized vehicle.
  • Portable also refers to complete, prefabricated systems that can be installed within shipping containers, oil field fracturing water storage (frac) tanks or similar modules.
  • frac oil field fracturing water storage
  • exhaust stacks extend beyond the roof for odor control, heating exhaust, and over-pressure safety relief, and a supplemental biogas burner is included for destroying excess biogas that cannot or will not be used.
  • a gas upgrading system includes upstream desulfurization, compression, drying, heating, chilling, and filtering.
  • the entire process control enclosure is under negative pressure and has its own two-stage odor control system, plus a high-pressure atomizing nozzle system for creating a water/neutralizing/counteracting mist.
  • the overall system for each of the embodiments of the Bioenergy System herein described has been designed to minimize the footprint and is modular so expansion can occur with the addition of multiple systems.
  • Raw biogas is stored on a diurnal 24-hour cycle at very low pressure which is equivalent to utility-delivered residential natural gas operating pressure of 5-10 inches water column which is 0.20 - 0.40 pounds per square inch.
  • the prefabricated apparatus of the embodiments of the Bioenergy System herein described includes the necessary mechanical equipment mounted on or installed within a skid, a platform, a trailer, a shipping container, a rail car, a frac tank or some similar structure.
  • the embodiments of the Bioenergy System herein described also incorporate electrical equipment with a main disconnect, receiving, grinding, and pumping equipment, all piping and valves inside the skid, control package for heating and mixing, decanting valves and tank, biogas burner, mixing system, heating system, ventilation system, very low-pressure gas storage, and an electrical generator or combined heat and power unit or water boiler fueled by raw biogas.
  • a Bioenergy System can be embodied in any number of multi-modal combinations, each embodiment is a prefabricated design that can be arranged quickly in the field as shown, for example, in Fig. 1A, Fig. IB, Fig. 2, Fig. 3, Fig. 4, Fig. 9, Fig. 12A, Fig. 12B, Fig. 13A, Fig. 13B, Fig. 13C and Fig. 15.
  • Mechanical systems are prefabricated onto modular skids that can be transported by road, rail, sea or other means and positioned during construction. Mechanical systems include but are not limited to piping, valving, pumping, filtering, separating, and thermal conditioning for solid and semi-solids, liquid or gas circulation.
  • Each skid is built to fit within a 25 to 350 cubic meter framework and can be lifted and installed in as little as one movement, and comes complete with connections for power, controls, inputs, and outputs minimized in number and located at the limits of the skid.
  • the Bioenergy System is scaled to operate between 0.1 to 75 tons per day allowing on-site processing and eliminating the cost of hauling and transport.
  • Bio-Energy system as contemplated is depicted herein in a number of embodiments.
  • Preferred embodiments of the Bioenergy System include, but are not limited to, two-digester- chamber and three-digester-chamber systems.
  • FIG. 1A shows one embodiment of a two-digester-chamber biomimcry system using rectangular chambers 1.
  • Fig. IB shows a plan view with a larger capacity waste processor 2 and digestate storage 3.
  • Fig. 2 shows a plan view of a primary module of a two-digester- chamber biomimcry system using circular digester chambers 4 in the primary module.
  • Fig. 3 shows a plan view of a two-digester-chamber with a larger capacity than previously illustrated 5, with a capacity expansion module, a level control apparatus 12, a mixing apparatus 13, and a digester heating apparatus 14.
  • Fig. 1A shows one embodiment of a two-digester-chamber biomimcry system using rectangular chambers 1.
  • Fig. IB shows a plan view with a larger capacity waste processor 2 and digestate storage 3.
  • Fig. 2 shows a plan view of a primary module of a two-digester- chamber biomimcry system using circular digester chambers 4 in the primary
  • FIG. 4 shows a long cross section view through the primary module of a two-digester-chamber biomimcry system, with a biofilter apparatus for odor control 6, an organic waste processor for waste grinding, blending, buffering, and dosing 7, a heating apparatus 8, a gas treatment apparatus 9, a combustion apparatus for surplus gas 10, and an odor control system exhaust 11.
  • Fig. 5 shows a short cross section view through the primary module of a two-digester-chamber biomimcry system showing receiving inspection and a sorting table allowing for the removal of contamination 15, an organic waste processor 7, a digester 1, an odor control exhaust 11, and a gas storage apparatus 16.
  • FIG. 6 shows a plan view and a long cross section view through both chambers of a digester apparatus of a two-digester-chamber biomimcry system showing a continuously stirred tank reactor zone 17, a fixed film packed bed reactor zone 18, a liquid level overflow control system 19, a biogas discharge system 20, a partition 21 that regulates passage from the first to the second zone (17 to 18), and multiple couplings for mixing, scum destruction, solids recirculation, and sampling 22.
  • the continuously stirred reactor 17 re-entrains and emulsifies floating fat, oil, and/or grease so that fat, oil, and/or grease are digestible within the middle and lower biochemically active zones in the reactor.
  • FIG. 7 shows a short cross section through a second chamber and a matching elevation view of a digester apparatus showing the holes in the partition 21, and the fittings on a downstream end of a digester showing liquid discharge 23, and a gas discharge apparatus 24.
  • Fig. 8 shows a cross section of a pressure regulation, safety relief, and backflow prevention sub-system within a gas treatment system showing a top section 25 that discharges to a surplus gas burner 10, an adjustable depth water volume 26 that both prevents backflow of atmospheric oxygen into the system and creates gas storage pressure by creating a slight backpressure in the piping from a digester 1, a gas meter 27, and a gas storage apparatus 16.
  • Fig. 8 shows a cross section of a pressure regulation, safety relief, and backflow prevention sub-system within a gas treatment system showing a top section 25 that discharges to a surplus gas burner 10, an adjustable depth water volume 26 that both prevents backflow of atmospheric oxygen into the system and creates gas storage pressure by creating a slight backpressure in the piping from a digester 1, a
  • Fig. 9 shows a long side elevation view of both sides, and a short side elevation view of a side with large access doors for a prefabricated ISO intermodal container enclosure showing a personnel door for normal operation 28, large doors for repair and maintenance 29, small doors for biofilter maintenance and replacement 30, natural light windows 31, and exterior panels for signage and education 32.
  • Fig. 12 shows a plan view and an elevation view of a primary module of a two-digester-chamber biomimcry system coupled to a secondary energy storage module showing a digester 1, a large capacity waste processor 2, a digestate storage apparatus 3, an odor control biofilter 6, and a gas storage apparatus 16.
  • Fig. 15 shows a plan view of a primary module 46, a secondary digester module 47, a tertiary gas storage module 48, and a quaternary double membrane spherical gas storage module 49 of a biomimcry system.
  • FIG. 13A, Fig. 13B, and Fig. 13C show a plan view, a left side elevation view, and a left side isometric view of a primary module of a three-digester-chamber bio mimicry system.
  • Fig. 13A, Fig. 13B, and Fig. 13C show a plan view, a left side elevation view, and a left side isometric view of a primary module of a three-digester-chamber bio mimicry system.
  • FIG. 14 schematically shows a process flow for a three-digester-chamber bio mimicry system showing a processor 2, a dosing tank 7, a digester 1 with zones 17 and 18, a digester heating apparatus 8, a surplus gas burner 10, an odor control apparatus 6, an odor control exhaust 11, a gas storage apparatus 16, a pressure regulation apparatus 26, a gas treatment apparatus 37, 38, 39, as well as a counteractant atomizer exhaust neutralizer 42 in the exhaust stack 11.
  • Fig. 14 also shows generators that produce renewable heat and electricity 43, a decant tank to separate solids from suspended solids in liquid using gravity 44, and a heat exchanger 45 to recover waste heat from generators 43.
  • Fig. 14 also shows generators that produce renewable heat and electricity 43, a decant tank to separate solids from suspended solids in liquid using gravity 44, and a heat exchanger 45 to recover waste heat from generators 43.
  • Fig. 16 shows a system for processing food waste and food service paper products waste, primarily noted by digester zones 17 and 18, and a digestate liquid storage apparatus 3, a biogas storage apparatus 16, and an apparatus for beneficial use 43.
  • Fig. 17 shows a system for processing food waste, food service paper products waste, and other organic solids waste, showing digester zones 17 and 18 and 50, with 50 being a semi-solid continuous plug flow horizontal digester, depicted in Fig.’s 19A to 19F, that can accommodate higher percentages of sewage sludge, manure, animal byproducts, animal mortalities, and industrial byproducts, a digestate liquid storage apparatus 3, a biogas storage apparatus 16 and an apparatus for beneficial use 43.
  • Fig. 17 shows a system for processing food waste, food service paper products waste, and other organic solids waste, showing digester zones 17 and 18 and 50, with 50 being a semi-solid continuous plug flow horizontal digester, depicted in Fig.’s 19A to 19F, that can accommodate higher percentages of sewage
  • FIG. 18 shows a system for processing commingled food, wet waste, paper, cardboard, and landscape waste; showing digester zone 50, with 50 being a semi-solid continuous plug flow horizontal digester, depicted in Fig.’s 19A to 19F, that can accommodate higher percentages of cellulose (paper, cardboard, wood) and landscape waste (grass, leaves, prunings, whole plants), a digestate liquid storage apparatus 3, a biogas storage apparatus 16 and an apparatus for beneficial use 43.
  • the Bioenergy System is designed to convert food waste and food service paper products into energy and liquid soil amendment, this process being depicted in Fig. 16.
  • the energy is provided to a micro-grid or other power generation system.
  • the prefabricated anaerobic digestion system may have a receiving and metering system with an input capacity of 0.05 tons per day, which is expandable to 2.50 tons per day as also shown in Fig. IB.
  • These embodiments may have an output capacity of 0.4 to 15.4 cubic feet per minute of raw biogas.
  • the embodiment discussed is designed to optimize for production of methane with maximum heating value while minimizing the system’s footprint and operating cost.
  • the equipment is capable of continuously processing a mixture of post-consumer and pre-consumer heterogeneous food wastes in either a two-stage or three-stage process.
  • Other supplemental feedstocks may be possible to run in the system using a variety of operational techniques to increase methane yields.
  • the system is designed with multiple stages to insure the process is reliable.
  • the embodiments of the Bioenergy System described accept digester feedstock input in the form of food waste with 2-inches to 12-inches minus particle size for soft material, and 1- inch to 6-inches minus particle size for bone, frozen, and hard material.
  • the embodiment of the Bioenergy System described supports a range of 2% to 20% solids, calculated as a daily average inside the digester, with materials capable of being distributed through the system by means of a centrifugal-style pump.
  • the embodiments of the Bioenergy System described allow for control of feedstock preparation, residence time, temperature, moisture, density, oxygen, pH, and final particle size.
  • the embodiments described also incorporate an odor control element. Fig.
  • FIG. 10 shows section views of a pre-grinder device that may be used with embodiments of the present invention as the first part of the organic waste processor to reduce particles to a uniformly small size, showing a vertical inlet chute 33 from the sorting table 15, a variable pitch helical screw conveyor 34 to convey and force organic waste through an orifice plate 35, and a rotating blade 36 that then discharges into the mixing, blending, buffering, and dosing tank 7.
  • a pre-grinder device that may be used with embodiments of the present invention as the first part of the organic waste processor to reduce particles to a uniformly small size, showing a vertical inlet chute 33 from the sorting table 15, a variable pitch helical screw conveyor 34 to convey and force organic waste through an orifice plate 35, and a rotating blade 36 that then discharges into the mixing, blending, buffering, and dosing tank 7.
  • FIG. 11 schematically shows a solid, liquid, and gas control process diagram downstream of the pre grinder device that may be used with embodiments of the present invention, showing an organic waste processor 7, a digester 1, a liquid control system 19 is comprised of a liquid manifold and a volume meter a gas storage apparatus 16, a gas meter 27, a surplus gas burner 10, and a gas treatment apparatus consisting of a water trap 37, a gas dryer 38, a sulfur trap 39, a pressure regulation apparatus 26, a manifold control storage apparatus, an apparatus for beneficial use 40, and a flame arrestor apparatus 41 to prevent flame instruction from the surplus gas burner 10.
  • the material is macerated and then pumped into a controlled anaerobic environment at a temperature between 34.0 and 37.5 °C (93-99 F) for a nominal 30-day period as calculated as volume/input rate in series through two equal sized digestion chambers inside one tank.
  • the main digestion process takes place in a continuously stirred tank reactor; this is the largest vessel in the system. Mixing and heating is continuous in the process. Temperatures are controlled by using heat generated by the burning of biogas.
  • the feedstock is pumped into an anaerobic packed bed reactor and then either before or after, at the operator’ s discretion, into a gravity settling and decant tank for additional conversion.
  • the feedstock is conveyed into a semi-solid phase continuous plug flow horizontal digester that can accommodate higher percentages of fibrous or otherwise un- pumpable material.
  • the operator has the ability and discretion to measure inputs and outputs, inspect feedstock for contamination, operate the macerator, adjust pumping rates and schedules, adjust temperature, take samples, and measure digester process chemistry, etc. Full wireless communication and automation of pumping, heating, and chemistry is part of the control design.
  • any non-saleable or by-products can be re used in an appropriate system until saleable material has been obtained and/or by-product can no longer be used in a subsequent mode.

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un appareil qui permet la biodégradation de matériaux tels que des déchets alimentaires, des produits de papier de service alimentaire, des déchets humides, du carton de papier, des déchets paysagers, et d'autres solides organiques à l'aide d'un système modulaire, multimodal, portable, préfabriqué, qui comprend une série de vaisseaux biomimétiques à déploiement en mode multiple.
PCT/US2020/029347 2020-04-22 2020-04-22 Éléments modulaires de production de digesteur Ceased WO2021216066A1 (fr)

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* Cited by examiner, † Cited by third party
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IT202300025611A1 (it) * 2023-11-30 2025-05-30 Corradi E Ghisolfi Srl Sistema mobile per sostituire temporaneamente la tramoggia di alimentazione in un impianto per la produzione di biogas/biometano

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US7927491B2 (en) * 2007-12-21 2011-04-19 Highmark Renewables Research Limited Partnership Integrated bio-digestion facility
US20160298066A1 (en) * 2015-04-12 2016-10-13 Dennis Steele System of Biomimetic Energy Synthesis
US20180030399A1 (en) * 2010-09-09 2018-02-01 Impact Bioenergy Inc. Pre-Fabricated Multi-Modal Bioenergy Systems and Methods
US20190147911A1 (en) * 2017-09-25 2019-05-16 Lite-On Technology Corporation Disk pick-and-place device and operating method thereof

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US7927491B2 (en) * 2007-12-21 2011-04-19 Highmark Renewables Research Limited Partnership Integrated bio-digestion facility
US20180030399A1 (en) * 2010-09-09 2018-02-01 Impact Bioenergy Inc. Pre-Fabricated Multi-Modal Bioenergy Systems and Methods
US20160298066A1 (en) * 2015-04-12 2016-10-13 Dennis Steele System of Biomimetic Energy Synthesis
US20190147911A1 (en) * 2017-09-25 2019-05-16 Lite-On Technology Corporation Disk pick-and-place device and operating method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202300025611A1 (it) * 2023-11-30 2025-05-30 Corradi E Ghisolfi Srl Sistema mobile per sostituire temporaneamente la tramoggia di alimentazione in un impianto per la produzione di biogas/biometano
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