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WO1994024072A1 - Systeme de recuperation de dechets solides - Google Patents

Systeme de recuperation de dechets solides Download PDF

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Publication number
WO1994024072A1
WO1994024072A1 PCT/US1993/003461 US9303461W WO9424072A1 WO 1994024072 A1 WO1994024072 A1 WO 1994024072A1 US 9303461 W US9303461 W US 9303461W WO 9424072 A1 WO9424072 A1 WO 9424072A1
Authority
WO
WIPO (PCT)
Prior art keywords
items
compost
compostable
recoverable
sending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1993/003461
Other languages
English (en)
Inventor
Donnie Lewis Armbrister
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
World Life Resource Inc
Original Assignee
World Life Resource Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by World Life Resource Inc filed Critical World Life Resource Inc
Priority to PCT/US1993/003461 priority Critical patent/WO1994024072A1/fr
Priority to AU42845/93A priority patent/AU4284593A/en
Publication of WO1994024072A1 publication Critical patent/WO1994024072A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/35—Shredding, crushing or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/989—Flow sheets for biological or biochemical treatment
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • This invention relates generally to solid waste recovery systems, and more particularly to a solid waste recovery system which processes solid wastes which would otherwise be sent to a landfill by utilizing several stages of systematically separating and processing various components of the refuse into valuable resources.
  • U.S. Patent 3,557,685 discloses a garbage disposal plant where salvageable material is separated and residue material is shredded and compacted or bailed for transport to a sanitary landfill.
  • U.S. Patent 3,804,248 discloses a garbage disposal plant were salvageable material is separated using a multiple conveyor system.
  • Nash U.S. Patent 3,878,995 discloses a refuse shredder and classifier for separating trash and storing in separate bins.
  • Wilson, U.S. Patent 3,888,351 discloses a garbage disposal plant were salvageable material is separated using a system having multiple screens, bins, and conveyors.
  • U.S. Patent 4,763,793 discloses a garbage disposal plant were salvageable material is separated using a system having multiple screens and conveyors.
  • Weitzman et al, U.S. Patent 4,667,291 discloses a garbage disposal plant were salvageable material is separated and recovered.
  • U.S. Patent 4,553,977 discloses a garbage disposal plant were salvageable material is separated and organic material sent to a landfill or converted into fuel.
  • Flender, U.S. Patent 4,187,775 discloses a garbage disposal plant where waste materials are separated and treated according to the particular requirements of the recovered material. Like materials from different flow lines are combined for like treatment
  • Houser U.S. Patent 4,264,252 shows a process and apparatus where waste materials are separated and treated according to the particular requirements of the recovered material.
  • Fisk U.S. Patent 4,053,374 shows a multiple digestion system wherein degradation is begun by seeding of the starting materials with aerobic bacteria.
  • Geraghty U.S. Patent 2,798,800 shows a windrow system for composting and makes use of the supernatant liquor.
  • Varro U.S. Patent 4,050,917 is similar to Houser and further shows magnetic separation and the importance of maintaining both the pH and C:N ratio during composting.
  • Wiens U.S. Patent 4,874,134 shows a tipping floor and the use of wood chips during the composting operation.
  • My invention comprises a solid waste recovery system for processing solid wastes which utilizes several stages of systematically separating and processing various components of the refuse.
  • Refuse is trucked in and dumped on a tipping floor of the recovery facility and separated into non-compostables, recyclables, and compostable materials.
  • the non-compostables are further separated into recyclable inorganics which are recaptured as resalable items and into non-compostable organics which are further separated into hospital and clinical wastes to be incinerated or disposed of as hazardous waste, and into petroleum products to be incinerated, sent to a landfill or disposed of as hazardous waste, or recycled.
  • the refuse remaining on the tipping floor is further separated into fuel items for resale or heating the facility, into recyclables which are processed for resale, and into compostables which are blended and ground into fine particles for resale or sent to a compost pad for conversion into compost for resale.
  • the solid waste is recaptured in the form of baled paper and cardboard material to be sold to a paper recycling mill and containerized recyclables such as plastic, glass, aluminum, ferrous metals, etc., to be sold to their respective mills.
  • the non-recyclable refuse is processed into fine particles to be sold in bulk as fluff or after further processing to be sold as compost fertilizer.
  • FIG. 1A is a schematic flow chart illustrating certain stages of the solid waste recovery system in accordance with the present invention.
  • Fig. IB is a schematic flow chart illustrating a continuation of the stages of the solid waste recovery system in accordance with the present invention.
  • FIG. 1A of the flow diagrams by numerals of reference a preferred solid waste recovery system is schematically illustrated.
  • a refuse truck filled with incoming refuse 10 enters a recovery facility after being weighed on platform scales 11 and dumps its load on a tipping floor 12. The empty truck is weighed again upon its exit
  • dumped refuse is separated on the tipping floor 12 into compostable, non- compostable, and recyclable items.
  • Large wood items 13 are removed and sent to a chipper 14 for recycling either into refuse derived fuel items 15 or into compostable items 16.
  • a skid type loader 17 removes the non-compostable items 18 such as textiles 19, miscellaneous inorganics 20, and non-compostable organics 21 from the tipping floor 12.
  • Recyclable inorganics 22 such as asphalt 23 and concrete items 24 are separated from the miscellaneous inorganics 20, loaded into containers 25 and sent to the shipping department 26.
  • Hospital and clinical wastes 27 and petroleum products 28 are removed from the non- compostable organics 21 for further processing described hereinafter and the remaining non- compostables 18, such as textiles 19, miscellaneous inorganics 20, and organics 21 are loaded into containers 29 and transported to a landfill 30.
  • the refuse remaining on the tipping floor 12 is pushed by the loader 17 onto a sorting conveyor 31 in the tipping floor 12 for sorting.
  • This remaining refuse is either recyclables 32, compostables 16, or a combination thereof contained in plastic garbage bags.
  • recoverable paper items 33 are removed from the sorting conveyor 31 and transported by other conveyors to a baler 34 and baled.
  • Ferrous metals 35 are removed and placed in containers 36.
  • Aluminum materials 37 are removed and sent to a cleaner and baler 38. Other aluminum materials such as from a can buying system 39 may be added to the aluminum materials 37 for cleaning and baling.
  • Recyclable glass items 40 are removed and transported to a glass breaker and placed in containers 41.
  • Plastic items 42 are removed and transported to a baler 43 and baled 44.
  • the plastic bags remaining on the sorting conveyor 31 continues to a bag ripper 45 where individual plastic garbage bags are ripped open and the contents thereof are scattered onto a picking conveyor 46.
  • This refuse now remaining on the picking conveyor 46 after the bag ripping operation 45 comprises substantially recyclables 32 and compostables 16 such as non- recoverable paper 47, yard and food wastes 48, and non- recoverable glass 49.
  • the additional recyclable items 32 such as recoverable paper items 33, ferrous metals 35, aluminum items 37, recyclable glass items 40, and plastic items 42 are removed and transported to the appropriate balers, breakers, cleaners, and containers as described above.
  • the baled and containerized recyclables are then transported by fork lift 50 to the shipping department 26.
  • the compostables 16 such as non-recoverable paper 47, yard and food wastes 48, and non-recoverable glass 49. These items are transported to a stationary blender 51 where it is ground into fine particles or "flufT' and are then either stored 52 for conversion into compost or refuse derived fuel 15.
  • the non- compostable organics 21 of the compostables 18 are separated into hospital and clinical wastes 27 and petroleum products 28.
  • the hospital and clinical wastes 27 comprise laboratory wastes 53 and infectious wastes 54 which are transported to an incinerator 55 and after incineration are removed to a hazardous waste disposal facility 56.
  • the petroleum products 28 comprise hazardous wastes 57 and unclassified wastes 58 which are transported to a holding area 59. From the holding area 59, the petroleum products are sent either to the incinerator 55, to the hazardous wastes disposal site 56, placed in containers 29 and sent to the landfill 30, or sent back to the in-floor sorting conveyor 31 for re-processing.
  • the large wood items 13 are removed and sent to a chipper 14 for recycling either into refuse derived fuel items 15 or into compostable items 16.
  • the wood items suitable for fuel are sent to a pelletizer 60, bagged and sealed 61, and carried by fork lift to the facility heating system 62 for heating the facility, or to the shipping department 26.
  • the blended fluff or fine particle materials are placed in transport containers 63 and sent to a compost pad 64.
  • the fluff may be composted by itself or mixed with other compostable substances such as city sludge, chicken litter, and/or other organic materials of a compostable nature.
  • the fluff is dumped from the transport containers 63 onto the compost pad 64 in rows of piles or windrows similar to hay windrows.
  • the compost pad 64 is configured such that water or residue from composting material will run off into a holding pond with substantially no escape. Water is pumped back onto the compost windrows.
  • the compost pad 64 has a protective covering of suitable material such as clay, asphalt, or concrete to prevent seeping or leaching of liquid residue into the earth or water supply.
  • the piles of fluff are manipulated with a portable blender 65 to co-mingle and mix such that the fluff is consistent in texture.
  • Samples of the mixed fluff are send to a lab and subjected to a carbon nitrogen ratio test
  • a suggested suitable ratio for the fluff mix would be 40 parts of carbon to 1 part nitrogen. If the ratio is determined to be an unsatisfactory percentage, then it is adjusted to a proper ratio by the addition of nitrogen, urea, or other suitable materials.
  • the temperature of the fluff mixture is checked and recorded.
  • the preferred temperature should approximate the outdoor temperature on the day the reading is taken.
  • the moisture of the fluff mix is also checked and recorded, and adjusted if required.
  • the preferred moisture reading for proven results is from 50% to 60%, although it could vary.
  • additives are not required to start the composting process, however if necessary, bacteria or chemicals may be added to initiate the decaying of the organic substances.
  • the fluff-compost mixture After the fluff-compost mixture has been determined to have the proper ratio, temperature, moisture, and chemical or bacterial content the mixture is again manipulated and allowed to cure. Readings are again taken of the mixture to determine that it has sufficiently cured.
  • the fluff-compost may be loaded into compost transport containers 66 and returned to the facility where it is sifted and graded 67. Some coarser fluff-compost materials may be loaded into other compost transport containers 66 and returned to the compost pad 64 for re-composting. The sifted fluff-compost suitable for use is then weighed, bagged, and sealed 68, and then placed on pallets 69 and sent to the shipping department 26.
  • the recycling process of the present invention provides efficient and economical processing and recapture of solid waste products which would normally be sent to a landfill.
  • the baled paper and cardboard material may be sold to a paper recycling mill.
  • the containerized recyclables such as plastic, glass, aluminum, ferrous metals, etc.
  • the non-recyclable refuse which has been ground into fine particles may be sold as container ⁇ ized fluff or after further processing may be sold as compost in bulk form as fertilizer.
  • the composted material is suitable for use on nearly any soil which needs plant foods to enhance and increase the growth of plant life.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Système de récupération de déchets solides qui traite des déchets solides qui seraient sinon envoyés dans une décharge, en ayant recours à plusieurs phases de tri et de traitement systématiques de divers composants des déchets. Les déchets sont amenés par camion, déversés sur une plate-forme basculante de l'installation de récupération et séparés en matériaux non compostables, recyclables et compostables. Les matériaux non compostables sont à nouveau séparés en matières inorganiques recyclables qui sont récupérées en vue d'être revendues et en matières organiques non compostables qui sont à nouveau séparées en déchets hospitaliers et cliniques à incinérer ou à jeter comme déchets dangereux et en produits pétroliers à incinérer, à envoyer dans une décharge en fouille ou à jeter comme déchets dangereux, ou à recycler. Les déchets restant sur la plate-forme basculante sont à nouveau séparés en matériaux combustibles en vue de la revente ou du chauffage de l'installation, en matériaux recyclables traités en vue de la revente et en matériaux compostables qui sont mélangés et broyés en fines particules en vue d'être revendus ou envoyés dans une unité de compostage pour être convertis en compost destiné à la revente. Les déchets solides sont récupérés sous forme de matériau papier et carton en balles à vendre à une usine de recyclage de papier, et de matériaux recyclables en forme de récipients tels que le plastique, le verre, l'aluminium, les métaux ferreux, etc. à vendre aux usines correspondantes. Les déchets non recyclables sont transformés en fines particules destinées à être vendues en vrac comme résidus pelucheux de déchiquetage, ou comme engrais composté après avoir subi un traitement supplémentaire.
PCT/US1993/003461 1993-04-13 1993-04-13 Systeme de recuperation de dechets solides Ceased WO1994024072A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US1993/003461 WO1994024072A1 (fr) 1993-04-13 1993-04-13 Systeme de recuperation de dechets solides
AU42845/93A AU4284593A (en) 1993-04-13 1993-04-13 Solid waste recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1993/003461 WO1994024072A1 (fr) 1993-04-13 1993-04-13 Systeme de recuperation de dechets solides

Publications (1)

Publication Number Publication Date
WO1994024072A1 true WO1994024072A1 (fr) 1994-10-27

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PCT/US1993/003461 Ceased WO1994024072A1 (fr) 1993-04-13 1993-04-13 Systeme de recuperation de dechets solides

Country Status (2)

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AU (1) AU4284593A (fr)
WO (1) WO1994024072A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041681A3 (fr) * 1995-06-09 1997-02-20 Walter Felber Procede de separation de residus pour obtenir des matieres premieres de recuperation
WO2002022524A1 (fr) * 2000-09-14 2002-03-21 Environmental Concern (2000) Limited Procede de traitement des dechets
WO2013006912A1 (fr) * 2011-07-12 2013-01-17 Kenneth Michael Bellamy Transformation de déchets et de matières organiques
CN113198828A (zh) * 2021-04-27 2021-08-03 广东城市环保有限公司 用于固体废物处理的物流管理方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798800A (en) * 1954-03-01 1957-07-09 Modoc Peat Moss Company Process of compositing municipal refuse in windrows
US4050917A (en) * 1974-08-30 1977-09-27 Stephen Varro Process of conversion of solid waste into workable material with predetermined characteristics and/or into fertilizers or soil improving agents
US4053394A (en) * 1974-04-18 1977-10-11 Pliny Fisk Process for separating and converting waste into useable products
US4264352A (en) * 1978-12-13 1981-04-28 Aerotherm, Inc. Solid waste treatment system
US4874134A (en) * 1988-07-18 1989-10-17 Wiens Thomas J Solid waste processing facility and process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798800A (en) * 1954-03-01 1957-07-09 Modoc Peat Moss Company Process of compositing municipal refuse in windrows
US4053394A (en) * 1974-04-18 1977-10-11 Pliny Fisk Process for separating and converting waste into useable products
US4050917A (en) * 1974-08-30 1977-09-27 Stephen Varro Process of conversion of solid waste into workable material with predetermined characteristics and/or into fertilizers or soil improving agents
US4264352A (en) * 1978-12-13 1981-04-28 Aerotherm, Inc. Solid waste treatment system
US4874134A (en) * 1988-07-18 1989-10-17 Wiens Thomas J Solid waste processing facility and process

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996041681A3 (fr) * 1995-06-09 1997-02-20 Walter Felber Procede de separation de residus pour obtenir des matieres premieres de recuperation
EP1005912A1 (fr) * 1995-06-09 2000-06-07 Walter Felber Procédé pour récupérer des matières secondaires à partir de déchets et de résidus
AU738103B2 (en) * 1995-06-09 2001-09-06 Walter Felber Process for splitting residues to obtain secondary raw materials
WO2002022524A1 (fr) * 2000-09-14 2002-03-21 Environmental Concern (2000) Limited Procede de traitement des dechets
WO2013006912A1 (fr) * 2011-07-12 2013-01-17 Kenneth Michael Bellamy Transformation de déchets et de matières organiques
AU2012283757B2 (en) * 2011-07-12 2014-11-06 Vrm International Pty Ltd Waste and organic matter conversion process
CN113198828A (zh) * 2021-04-27 2021-08-03 广东城市环保有限公司 用于固体废物处理的物流管理方法及系统

Also Published As

Publication number Publication date
AU4284593A (en) 1994-11-08

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