WO2013003599A3 - Method for the torrefaction of lignocellulosic material - Google Patents

Method for the torrefaction of lignocellulosic material Download PDF

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Publication number
WO2013003599A3
WO2013003599A3 PCT/US2012/044657 US2012044657W WO2013003599A3 WO 2013003599 A3 WO2013003599 A3 WO 2013003599A3 US 2012044657 W US2012044657 W US 2012044657W WO 2013003599 A3 WO2013003599 A3 WO 2013003599A3
Authority
WO
WIPO (PCT)
Prior art keywords
biomass
tray
torrefaction
reactor
vessel
Prior art date
Application number
PCT/US2012/044657
Other languages
French (fr)
Other versions
WO2013003599A2 (en
Inventor
Andrew EYER
Bertil Stromberg
Joseph Monroe Rawls
Brian F. Greenwood
Original Assignee
Andritz 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 Andritz Inc. filed Critical Andritz Inc.
Publication of WO2013003599A2 publication Critical patent/WO2013003599A2/en
Publication of WO2013003599A3 publication Critical patent/WO2013003599A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/08—Treating solid fuels to improve their combustion by heat treatments, e.g. calcining
    • C10L9/083—Torrefaction
    • 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
    • Y02E50/10—Biofuels, e.g. bio-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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

A method for torrefaction of Iignocellulosic biomass using a torrefaction reactor vessel having stacked tray assemblies comprising: continuously feeding the biomass to an upper inlet to the torrefaction reactor vessel such that the biomass material is deposited on an upper tray assembly of a plurality of tray assemblies stacked vertically within the reactor; as the biomass moves in the vessel while supported by a tray of each tray assembly, heating and drying the biomass material with a gas injected into the vessel, wherein the gas is substantially non-oxidizing of the biomass and is under a pressure of at least 3 bar gauge and at a temperature of at least 200°C; cascading the biomass down through the trays by passing the biomass through an opening in each of the trays to deposit the biomass on the tray of the next lower tray assembly; discharging torrefied biomass from a lower outlet of the torrefaction reactor, and circulating gas extracted from the reactor vessel back to the reactor.
PCT/US2012/044657 2011-06-28 2012-06-28 Method for the torrefaction of lignocellulosic material WO2013003599A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161501900P 2011-06-28 2011-06-28
US61/501,900 2011-06-28

Publications (2)

Publication Number Publication Date
WO2013003599A2 WO2013003599A2 (en) 2013-01-03
WO2013003599A3 true WO2013003599A3 (en) 2013-02-21

Family

ID=46545467

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/044657 WO2013003599A2 (en) 2011-06-28 2012-06-28 Method for the torrefaction of lignocellulosic material

Country Status (1)

Country Link
WO (1) WO2013003599A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113479873A (en) * 2021-07-01 2021-10-08 海城申合科技有限公司 Continuous graphitization and high-temperature carbonization integrated furnace and working method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742735A (en) * 1968-07-11 1973-07-03 South American Pulp Paper Delignification and bleaching of cellulose pulp with oxygen gas
US20100083530A1 (en) * 2008-10-03 2010-04-08 Wyssmont Co. Inc. System and method for drying and torrefaction
US20100242351A1 (en) * 2009-03-27 2010-09-30 Terra Green Energy, Llc System and method for preparation of solid biomass by torrefaction
WO2012024314A1 (en) * 2010-08-17 2012-02-23 Andritz Technology And Asset Management Gmbh Method and system for the torrefaction of lignocellulosic material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742735A (en) * 1968-07-11 1973-07-03 South American Pulp Paper Delignification and bleaching of cellulose pulp with oxygen gas
US20100083530A1 (en) * 2008-10-03 2010-04-08 Wyssmont Co. Inc. System and method for drying and torrefaction
US20100242351A1 (en) * 2009-03-27 2010-09-30 Terra Green Energy, Llc System and method for preparation of solid biomass by torrefaction
WO2012024314A1 (en) * 2010-08-17 2012-02-23 Andritz Technology And Asset Management Gmbh Method and system for the torrefaction of lignocellulosic material

Also Published As

Publication number Publication date
WO2013003599A2 (en) 2013-01-03

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