Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks

Kastner, James R; Mani, Sudhagar; Hilten, Roger; Das, Keshav C

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Title: Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks

Abstract

A bio-oil production process involving torrefaction pretreatment, catalytic esterification, pyrolysis, and secondary catalytic processing significantly reduces yields of reactor char, catalyst coke, and catalyst tar relative to the best-case conditions using non-torrefied feedstock. The reduction in coke as a result of torrefaction was 28.5% relative to the respective control for slow pyrolysis bio-oil upgrading. In fast pyrolysis bio-oil processing, the greatest reduction in coke was 34.9%. Torrefaction at 275.degree. C. reduced levels of acid products including acetic acid and formic acid in the bio-oil, which reduced catalyst coking and increased catalyst effectiveness and aromatic hydrocarbon yields in the upgraded oils. The process of bio-oil generation further comprises a catalytic esterification of acids and aldehydes to generate such as ethyl levulinate from lignified biomass feedstock.

Inventors:: Kastner, James R; Mani, Sudhagar; Hilten, Roger; Das, Keshav C

Issue Date:: 2015-11-04

Research Org.:: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC., Athens, GA, (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1224889

Patent Number(s):: 9175235

Application Number:: 14/080,153

Assignee:: UNIVERSITY OF GEORGIA RESEARCH FOUNDATION, INC.

Patent Classifications (CPCs):: C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10G - CRACKING HYDROCARBON OILS

C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10L - FUELS NOT OTHERWISE PROVIDED FOR

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C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10G - CRACKING HYDROCARBON OILS
C10G1/002 - {in combination with oil conversion- or refining processes}

C - CHEMISTRY C10 - PETROLEUM, GAS OR COKE INDUSTRIES C10L - FUELS NOT OTHERWISE PROVIDED FOR
C10L1/02 - essentially based on components consisting of carbon, hydrogen, and oxygen only

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DOE Contract Number:: FG36-08GO88144

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Nov 14

Country of Publication:: United States

Language:: English

Subject:: 09 BIOMASS FUELS

Citation Formats


                    Kastner, James R, Mani, Sudhagar, Hilten, Roger, and Das, Keshav C. Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks.  United States: N. p., 2015. 
        Web.

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                    Kastner, James R, Mani, Sudhagar, Hilten, Roger, & Das, Keshav C. Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks.  United States.

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                    Kastner, James R, Mani, Sudhagar, Hilten, Roger, and Das, Keshav C. Wed .  
        "Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks".  United States.  https://www.osti.gov/servlets/purl/1224889.

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@article{osti_1224889,

  title        = {Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks},

  author       = {Kastner, James R and Mani, Sudhagar and Hilten, Roger and Das, Keshav C},

  abstractNote = {A bio-oil production process involving torrefaction pretreatment, catalytic esterification, pyrolysis, and secondary catalytic processing significantly reduces yields of reactor char, catalyst coke, and catalyst tar relative to the best-case conditions using non-torrefied feedstock. The reduction in coke as a result of torrefaction was 28.5% relative to the respective control for slow pyrolysis bio-oil upgrading. In fast pyrolysis bio-oil processing, the greatest reduction in coke was 34.9%. Torrefaction at 275.degree. C. reduced levels of acid products including acetic acid and formic acid in the bio-oil, which reduced catalyst coking and increased catalyst effectiveness and aromatic hydrocarbon yields in the upgraded oils. The process of bio-oil generation further comprises a catalytic esterification of acids and aldehydes to generate such as ethyl levulinate from lignified biomass feedstock.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2015},

  month        = {11}

}

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Title: Torrefaction reduction of coke formation on catalysts used in esterification and cracking of biofuels from pyrolysed lignocellulosic feedstocks

Abstract

Citation Formats

Method and apparatus for biomass torrefaction, manufacturing a storable fuel from biomass and producing offsets for the combustion products of fossil fuels and a combustible article of manufacture patent, May 2011

Process for producing a purified synthesis gas stream patent, November 2011

Catalytic hydropyrolysis of organophillic biomass patent, November 2011

Removal of water from bio-oil patent, December 2011

Methods for integrated fast pyrolysis processing of biomass patent, January 2012

Process and device for treating biomass patent, January 2012

Process to provide a particulate solid material to a pressurised reactor patent, May 2012

High energy efficiency biomass conversion process patent, June 2012

Torrefaction systems and methods including catalytic oxidation and/or reuse of combustion gases directly in a torrefaction reactor, cooler, and/or dryer/preheater patent, June 2012

Sequencing retort liquid phase torrefication processing apparatus and method patent, July 2012

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels patent, July 2012

Biomass torrefaction system and method patent, August 2012

Biomass torrefaction method patent, August 2012

System and method for preparation of solid biomass by torrefaction patent, October 2012

Pretreatment of biomass feed for gasification patent, October 2012

Methods for co-processing of biomass and petroleum feed patent, October 2012

Methods for producing pyrolysis products patent, October 2012

Autothermal and mobile torrefaction devices patent, November 2012

System and method for preparation of solid biomass by torrefaction patent, December 2012

Removal of bound water from bio-oil patent, December 2012

Production of renewable bio-distillate patent, February 2013

High energy efficiency biomass conversion process patent, March 2013

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels patent, May 2013

Method and apparatus for biomass torrefaction using conduction heating patent, May 2013

Method and system for the torrefaction of lignocellulosic material patent, May 2013

Production of renewable bio-distillate patent, June 2013

Process for preparing a feed containing biomass intended for subsequent gasification patent, June 2013

Production of renewable bio-distillate patent, August 2013

Growing aquatic biomass, and producing biomass feedstock and biocrude therefrom patent, January 2014

Conversion of a solid biomass material patent, July 2014

Process for regenerating a coked catalytic cracking catalyst patent, January 2015

Process and Device for Treating Biomass patent-application, April 2009

Methods and Apparatus for Producing Syngas and Alcohols patent-application, June 2009

Autothermal and Mobile Torrefaction Devices patent-application, October 2009

Systems and Methods for Biomass Grinding and Feeding patent-application, September 2010

Catalytic Hydropyrolysis of Organophillic Biomass patent-application, May 2011

Removal of Water from Bio-Oil patent-application, June 2011

Microwave Torrefaction of Biomass patent-application, September 2011

Various Methods and Apparatuses for an Ultra-High Heat Flux Chemical Reactor patent-application, June 2012

Post Torrefaction Biomass Pelletization patent-application, March 2013

System and Process for Biomass Conversion to Renewable Fuels with Byproducts Recycled to Gasifier patent-application, May 2013

Co-Gasification of Aquatic Biomass and Coal patent-application, June 2013

Process for Conversion of a Cellulosic Material patent-application, September 2013

Method and apparatus for biomass torrefaction, manufacturing a storable fuel from biomass and producing offsets for the combustion products of fossil fuels and a combustible article of manufacture
patent, May 2011

Process for producing a purified synthesis gas stream
patent, November 2011

Catalytic hydropyrolysis of organophillic biomass
patent, November 2011

Removal of water from bio-oil
patent, December 2011

Methods for integrated fast pyrolysis processing of biomass
patent, January 2012

Process and device for treating biomass
patent, January 2012

Process to provide a particulate solid material to a pressurised reactor
patent, May 2012

High energy efficiency biomass conversion process
patent, June 2012

Torrefaction systems and methods including catalytic oxidation and/or reuse of combustion gases directly in a torrefaction reactor, cooler, and/or dryer/preheater
patent, June 2012

Sequencing retort liquid phase torrefication processing apparatus and method
patent, July 2012

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels
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Biomass torrefaction system and method
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Biomass torrefaction method
patent, August 2012

System and method for preparation of solid biomass by torrefaction
patent, October 2012

Pretreatment of biomass feed for gasification
patent, October 2012

Methods for co-processing of biomass and petroleum feed
patent, October 2012

Methods for producing pyrolysis products
patent, October 2012

Autothermal and mobile torrefaction devices
patent, November 2012

System and method for preparation of solid biomass by torrefaction
patent, December 2012

Removal of bound water from bio-oil
patent, December 2012

Production of renewable bio-distillate
patent, February 2013

High energy efficiency biomass conversion process
patent, March 2013

Method for the preparation of solid fuels by means of torrefaction as well as the solid fuels thus obtained and the use of these fuels
patent, May 2013

Method and apparatus for biomass torrefaction using conduction heating
patent, May 2013

Method and system for the torrefaction of lignocellulosic material
patent, May 2013

Production of renewable bio-distillate
patent, June 2013

Process for preparing a feed containing biomass intended for subsequent gasification
patent, June 2013

Production of renewable bio-distillate
patent, August 2013

Growing aquatic biomass, and producing biomass feedstock and biocrude therefrom
patent, January 2014

Conversion of a solid biomass material
patent, July 2014

Process for regenerating a coked catalytic cracking catalyst
patent, January 2015

Process and Device for Treating Biomass
patent-application, April 2009

Methods and Apparatus for Producing Syngas and Alcohols
patent-application, June 2009

Autothermal and Mobile Torrefaction Devices
patent-application, October 2009

Systems and Methods for Biomass Grinding and Feeding
patent-application, September 2010

Catalytic Hydropyrolysis of Organophillic Biomass
patent-application, May 2011

Removal of Water from Bio-Oil
patent-application, June 2011

Microwave Torrefaction of Biomass
patent-application, September 2011

Various Methods and Apparatuses for an Ultra-High Heat Flux Chemical Reactor
patent-application, June 2012

Post Torrefaction Biomass Pelletization
patent-application, March 2013

System and Process for Biomass Conversion to Renewable Fuels with Byproducts Recycled to Gasifier
patent-application, May 2013

Co-Gasification of Aquatic Biomass and Coal
patent-application, June 2013

Process for Conversion of a Cellulosic Material
patent-application, September 2013