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WO2017208268A1 - Procédé et système associé pour éliminer des cendres de biomasses - Google Patents

Procédé et système associé pour éliminer des cendres de biomasses Download PDF

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Publication number
WO2017208268A1
WO2017208268A1 PCT/IT2016/000140 IT2016000140W WO2017208268A1 WO 2017208268 A1 WO2017208268 A1 WO 2017208268A1 IT 2016000140 W IT2016000140 W IT 2016000140W WO 2017208268 A1 WO2017208268 A1 WO 2017208268A1
Authority
WO
WIPO (PCT)
Prior art keywords
solvent
ashes
organic material
biomasses
biomass
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/IT2016/000140
Other languages
English (en)
Inventor
Gian Claudio FAUSSONE
Miha GRILC
Blaz LIKOZAR
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.)
INSER ENERGIA SpA
Kemijski Institut
Original Assignee
INSER ENERGIA SpA
Kemijski Institut
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 INSER ENERGIA SpA, Kemijski Institut filed Critical INSER ENERGIA SpA
Priority to PCT/IT2016/000140 priority Critical patent/WO2017208268A1/fr
Priority to EP16747850.2A priority patent/EP3464514A1/fr
Publication of WO2017208268A1 publication Critical patent/WO2017208268A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/08—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal with moving catalysts
    • C10G1/083—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal with moving catalysts in the presence of a solvent
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1011—Biomass
    • 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
    • Y02P30/00—Technologies relating to oil refining and petrochemical industry
    • Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock

Definitions

  • the present invention refers to a process and a related system for removing ashes from biomasses.
  • the present invention refers to a reactor for the thermal-chemical conversion of biomass having a high content of ashes to obtain a fuel without ashes.
  • the present invention refers to a reactor for the thermal-chemical conversion of biomass, wherein there is a step of removing ashes at liquid state with a solvent by using mixing means, for example stirrers.
  • Biomass with a high content of ashes used as fuel can imply serious problems, due to the presence of inorganic substances with low melting point and with high particulate emissions.
  • the trend is placing a limit to the acceptable content of ashes present in the fuels.
  • the acceptable content of ashes from wooden pellets is 0.5%
  • the one from dry cortex, rice husks and depuration sludges is respectively equal to 5%, 20% and 35% of the inorganic content.
  • Methods are known which are based on the removal of ash-rich biomass, before starting a process for pre-treating the biomass.
  • Patent application US20120009660A1 however has the following limitations:
  • the maximum process temperature is 90°C;
  • a distilling apparatus which lacks an auxiliary thrust ;
  • object of the present invention is solving the above prior art problems, by providing a process for removing ashes from biomasses and a related system to allow separating and removing ashes from biomasses.
  • a further object is providing a process for converting ash-rich solid biomasses into a liquid or solid fuel, which is without ash, and into an inorganic solid residue, which is rich of ash.
  • FIG. 1 shows the diagram of a system and of an embodiment of the process for removing ashes from biomasses according to the present invention.
  • a process for removing ashes from biomasses is implemented through a system 1 comprising mixing means 10 and 20, filtering means 30 and distilling means 40, and at least one storage system 50 to allow separating and removing ashes from biomasses.
  • the process for removing ashes from biomasses comprises the following steps:
  • the step of depolymerizing the organic material present in the biomass occurs at a reaction temperature included between 150 °C and 250°C, by melting in at least one solvent, of the methanol, ethanol, isopropyl alcohol, diethylene glycole, ethylene glycole, glycerol and water type, in combination with a homogeneous catalyst to allow accelerating the melting of the organic material.
  • the step of filtering the organic material, depolymerized and dissolved in the solvent occurs downstream of an environment with high autogenous pressure to be able to increase the filtering efficiency induced by autogenous pressure.
  • the step of distilling and regenerating the solvent occurs through vaporizing the solvent in an overheated environment.
  • Such process is adapted to be performed through a system 1 for removing ashes from biomasses, wherein the mixing means 10 comprise at least one continuous reactor with stirred tank suitable to allow controlling the melting degree in a solvent of the organic material present in the biomass, in order to generate an autogenous pressure which is enough to allow keeping at liquid state the majority of the volatile solvent.
  • the mixing means 10 comprise at least one continuous reactor with stirred tank suitable to allow controlling the melting degree in a solvent of the organic material present in the biomass, in order to generate an autogenous pressure which is enough to allow keeping at liquid state the majority of the volatile solvent.
  • the mixing means 20 comprise at least one continuous reactor with stirred tank adapted to contain the biomass without ashes.
  • the mixing means 10 and 20 are connected by the filtering means 30, through an inlet valve 31 and an outlet valve 32.
  • the filtering means 30 comprise porous means 33 suitable to keep big-sized particles of ashes due to the passage of organic material present in the biomass and of solvent pushed by the autogenous pressure of the continuous reactor with stirred tank of the mixing means 10.
  • the porous means 33 allow removing the ashes for following processing and disposing actions.
  • the continuous reactor with stirred tank of the mixing means 20 contains the solvent without ashes, hot filtered, at high pressure.
  • Such reactor comprises at least one heat exchanger 21 to integrate the necessary heat to allow the differential distillation of the solvent through the distilling means 40 by reducing the pressure through a valve 22.
  • the distilling means 40 comprise at least one condenser 41, water cooled at ambient pressure, and collecting means 42 for re-using the solvent.
  • the process and the related system for removing ashes from biomasses according to the present invention allow reaching the stated obj ects .
  • a third step of the process of the invention provides for the regeneration of solvent from hot and pressurized filtered material without ashes for differential distillation, in such second continuous reactor with stirred tank.
  • Heat of the liquid reaction mixture, at high pressure, at a temperature much greater than the boiling point at ambient pressure, is exploited for vaporizing the solvent, reducing the pressure by opening a valve. Possible further heat necessary for recovering the solvent is provided by the heat exchanger 21.
  • the solvent vapors condense in a water-cooled condenser at ambient pressure and are collected to re-use them.
  • the depolymerized biomass without ashes is a product of the process and remains in the second continuous reactor with stirred tank to be collected from its bottom.
  • Such process product can be solid, pasty or liquid according to the nature of the biomass and to the content of possibly unrecovered solvent.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un procédé permettant d'éliminer des cendres de biomasses, par l'intermédiaire d'un système (1) comprenant des moyens de mélange (10) et (20), des moyens de filtration (30) et des moyens de distillation (40) et au moins un système de stockage (50) pour permettre la séparation et l'élimination de cendres de biomasses, comprenant les étapes suivantes : la dépolymérisation d'une matière organique présente dans la biomasse et la séparation de la matière organique, dépolymérisée et dissoute dans le solvant, relative à un résidu riche en cendres solides ; le filtrage de la matière organique, dépolymérisée et dissoute dans le solvant ; la distillation et la régénération du solvant présent dans un environnement à haute température ; et l'extraction et le stockage de la biomasse exempte de cendres. L'invention concerne également un système (1) destiné à éliminer les cendres des biomasses.
PCT/IT2016/000140 2016-05-30 2016-05-30 Procédé et système associé pour éliminer des cendres de biomasses Ceased WO2017208268A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IT2016/000140 WO2017208268A1 (fr) 2016-05-30 2016-05-30 Procédé et système associé pour éliminer des cendres de biomasses
EP16747850.2A EP3464514A1 (fr) 2016-05-30 2016-05-30 Procédé et système associé pour éliminer des cendres de biomasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2016/000140 WO2017208268A1 (fr) 2016-05-30 2016-05-30 Procédé et système associé pour éliminer des cendres de biomasses

Publications (1)

Publication Number Publication Date
WO2017208268A1 true WO2017208268A1 (fr) 2017-12-07

Family

ID=56571347

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2016/000140 Ceased WO2017208268A1 (fr) 2016-05-30 2016-05-30 Procédé et système associé pour éliminer des cendres de biomasses

Country Status (2)

Country Link
EP (1) EP3464514A1 (fr)
WO (1) WO2017208268A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021025226A1 (fr) * 2019-08-08 2021-02-11 한국에너지기술연구원 Appareil et procédé mécano-catalytiques qui peuvent être appliqués chacun à température ambiante et qui éliminent des ingrédients produisant des cendres dans une biomasse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090016392A (ko) * 2007-08-10 2009-02-13 가부시키가이샤 미죠타 유용 물질의 추출 방법과 그 장치
US20120009660A1 (en) 2010-06-09 2012-01-12 Pa, Llc Method of ash removal from a biomass
EP2891748A1 (fr) * 2014-01-07 2015-07-08 Studiengesellschaft Kohle mbH Procédé de production de bio-huile à partir de matières ligno-cellulosiques non-pyrolytiques
WO2016058031A1 (fr) * 2014-10-15 2016-04-21 Licella Pty Ltd Lessives de réduction en pâte et utilisations de ceux-ci
WO2016150965A1 (fr) * 2015-03-24 2016-09-29 Studiengesellschaft Kohle Mbh Procédé de préparation de produit à base d'huile à partir de tourbe, de fibre de coco ou de substances de type tourbe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090016392A (ko) * 2007-08-10 2009-02-13 가부시키가이샤 미죠타 유용 물질의 추출 방법과 그 장치
US20120009660A1 (en) 2010-06-09 2012-01-12 Pa, Llc Method of ash removal from a biomass
EP2891748A1 (fr) * 2014-01-07 2015-07-08 Studiengesellschaft Kohle mbH Procédé de production de bio-huile à partir de matières ligno-cellulosiques non-pyrolytiques
WO2016058031A1 (fr) * 2014-10-15 2016-04-21 Licella Pty Ltd Lessives de réduction en pâte et utilisations de ceux-ci
WO2016150965A1 (fr) * 2015-03-24 2016-09-29 Studiengesellschaft Kohle Mbh Procédé de préparation de produit à base d'huile à partir de tourbe, de fibre de coco ou de substances de type tourbe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021025226A1 (fr) * 2019-08-08 2021-02-11 한국에너지기술연구원 Appareil et procédé mécano-catalytiques qui peuvent être appliqués chacun à température ambiante et qui éliminent des ingrédients produisant des cendres dans une biomasse

Also Published As

Publication number Publication date
EP3464514A1 (fr) 2019-04-10

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