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cn102316974astaged biomass gasification by autothermal catalytic

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  • Hydrogen from Biomass by Autothermal Reforming

    existing process called gasification converts biomass to a mixture of hydrogen (H 2) and carbon monoxide (CO) referred to as synthesis gas which can be converted into liquid fuels and chemicals such as methanol dimethyl ether synthetic diesel fuel and ammonia. However gasification is relatively slow thereby requiring large complicated and

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  • Biomass gasification for synthesis gas production and

    Biomass gasification for synthesis gas production and applications of the syngas Reinhard Rauch 1∗ Jitka Hrbek2 and Hermann Hof2 Synthesis gas from biomass can be produced and utilized in different ways. Conversion of biomass to synthesis gas can be done either in fluidized bed or entrained flow reactors.

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  • Bert BELD Director technology PhD Biomass Technology

    A novel staged gasification process aiming to produce heat and power from biomass residue materials has been investigated. The process comprises a fast pyrolysis reactor coupled with an

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  • Renewable Production of Methane from Woody Biomass by

    May 26 2005 · Production of synthetic natural gas (SNG) from wood by a catalytic hydrothermal process was studied in a laboratory batch reactor suitable for high feed concentrations (10−30 wt ) at 300−410 °C and 12−34 MPa with Raney nickel as the catalyst. A maximum methane yield of 0.33 (g of CH4)/(g of wood) was obtained corresponding to the thermodynamic equilibrium yield. The carbon

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  • Autothermal Gasificationan overview ScienceDirect Topics

    The gasification of solid materials in autothermal fluidized beds is not a new concept but it is only in recent years that these advanced thermal treatment processes have been extensively tested to treat biomass and waste materials to produce clean syngas suitable for catalytic processes.

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  • Oxidation kinetics of biochar from woody and herbaceous

    article osti_ title = Oxidation kinetics of biochar from woody and herbaceous biomass author = Peterson Chad A. and Brown Robert C. abstractNote = The goal of this study was to determine oxidation kinetics for biochar produced from fast pyrolysis of various biomass feedstocks. In particular the role of inherent ash content on the oxidation rate was evaluated.

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  • Oxidation kinetics of biochar from woody and herbaceous

    article osti_ title = Oxidation kinetics of biochar from woody and herbaceous biomass author = Peterson Chad A. and Brown Robert C. abstractNote = The goal of this study was to determine oxidation kinetics for biochar produced from fast pyrolysis of various biomass feedstocks. In particular the role of inherent ash content on the oxidation rate was evaluated.

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  • USB2Coal compositions for catalytic gasification

    Particulate compositions are described comprising an intimate mixture of a coal and a gasification catalyst in the presence of steam to yield a plurality of gases including methane and at least one or more of hydrogen carbon monoxide carbon dioxide hydrogen sulfide ammonia and other higher hydrocarbons are formed. Processes are also provided for the preparation of the particulate

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  • DE-FG02-88ER13878 Lanny D. Schmidt Biofuels from Biomass

    Systematically examine the catalytic partial oxidation in millisecond autothermal reactors of solid biomass and the liquid products formed by pyrolysis of solid biomass. Alcohols polyols esters solid carbohydrates and lignocellulose will be studied to try to maximize formation of either hydrogen and syngas or olefins and oxygenated chemicals.

    Get Price
  • tcbiomass2021 Program Agenda • GTI

    Experimental Lifetime Evaluation of Ex-situ Catalytic Fast Pyrolysis of Biomass Performed in a Fluidized Bed and Fixed Bed Setup. Henry Persson KTH 3 003 30 PM Break Break 3 303 50 PM Gasification of Woody Biomass and Synthesis to Mixed Alcohols. Mathew Summers West Biofuels

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  • Partial Oxidation » GSTCGlobal Syngas

    Partial Oxidation. Partial oxidation (POX) or gasification is a chemical reaction that occurs when a mixture of a hydrocarbon feedstock and a sub-stoichiometric amount of pure oxygen (O 2) are reacted together producing a syngas stream with a typical H 2 /CO ratio range of 1.6 to 1.8.. The hydrocarbon feedstock is fed into the POX reactor (see figure below) where the carbon in the

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  • Pilot scale autothermal gasification of coconut shell with

    Oct 10 2015 · This paper explored the feasibility and benefit of CO2 utilization as gasifying agent in the autothermal gasification process. The effects of CO2 injection on reaction temperature and producer gas composition were examined in a pilot scale downdraft gasifier by varying the CO2/C ratio from 0.6 to 1.6. O2 was injected at an equivalence ratio of approximately 0.33–0.38 for supplying heat

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  • Hydrogen from Biomass by Autothermal Reforming

    existing process called gasification converts biomass to a mixture of hydrogen (H 2) and carbon monoxide (CO) referred to as synthesis gas which can be converted into liquid fuels and chemicals such as methanol dimethyl ether synthetic diesel fuel and ammonia. However gasification is relatively slow thereby requiring large complicated and

    Get Price
  • Overview RTD publicationsBiomass Technology Group BV

    Autothermal catalytic steam reforming of pyrolysis oil Evert Leijenhorst Pyne Newsletter 31 July 2012 Staged gasification clean fuel through innovative coupling of existing thermochemical conversion systems E. Leijenhorst L. van de Beld 17th European biomass conference and exhibition 29 june3 july 2009 pp. .

    Get Price
  • Produce syngas for methanol (Journal Article) OSTI.GOV

    article osti_ title = Produce syngas for methanol author = Farina G L abstractNote = Combined reforming in which an oxygen reforming reactor is added downstream from a conventional tubular reactor to produce syngas for methanol achieves a substantial reduction in energy consumption with the least impact on the environment.

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  • Hydrogen Production Overview

    • Biomass pyrolysis produces bio-oil—which can be shipped and reformed to hydrogen. • NREL is investigating the lowtemperature partial oxidation and catalytic autothermal reforming of bio-oil. • Biomass gasification produces syngas—by applying heat in the presence of steam and oxygen. • NREL is investigating gasification yields

    Get Price
  • Renewable Energy Generation from Waste Olive Biomass

    In this research dried-densified olive pomace residues from olive oil production have been applied as biomass feedstock in a new gasification process for synthesis gas (syngas) generation using a 500 kg h −1 throughput capacity autothermal modified updraft gasifier system.

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  • Non-catalytic autothermal gasification of woody biomass

    The non-catalytic autothermal gasification of woody biomass with air and steam mixtures is thermodynamically and experimentally investigated. A laboratory-scale

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  • tcbiomass2021 Program Agenda • GTI

    Experimental Lifetime Evaluation of Ex-situ Catalytic Fast Pyrolysis of Biomass Performed in a Fluidized Bed and Fixed Bed Setup. Henry Persson KTH 3 003 30 PM Break Break 3 303 50 PM Gasification of Woody Biomass and Synthesis to Mixed Alcohols. Mathew Summers West Biofuels

    Get Price
  • USA1Method and Device for Producing Low-Tar

    A method and device for producing low-tar synthesis gas from biomass. The method according to the invention lowers the tar content in the synthesis gas by splitting the biomass into pyrolysis coke and pyrolysis gas in a fluidized bed reactor both of which are fed to at least one more fluidized bed reactor wherein tars in the largely tar-free pyrolysis coke are catalytically split at a higher

    Get Price
  • DE-FG02-88ER13878 Lanny D. Schmidt Biofuels from Biomass

    Systematically examine the catalytic partial oxidation in millisecond autothermal reactors of solid biomass and the liquid products formed by pyrolysis of solid biomass. Alcohols polyols esters solid carbohydrates and lignocellulose will be studied to try to maximize formation of either hydrogen and syngas or olefins and oxygenated chemicals.

    Get Price
  • BiofuelsBiomass Technology Group BV

    The pyrolysis oil gasification tests will be carried out in co-operation with ETC (Pitea Sweden). Autothermal Catalytic Reforming (ACR) Autothermal Catalytic Reforming is a well-known process in the chemical industry. In the top of the reformer the fuel is partially combusted with oxygen to achieve the required temperature for reforming.

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  • Continuous Hydrothermal Gasification of Glycerol Mixtures

    May 12 2014 · We have developed a continuous process for the catalytic hydrothermal gasification of wet biomass to synthetic natural gas (SNG). Salts contained in the biomass and released during the liquefaction step are continuously withdrawn in the supercritical salt separation step upstream of the catalytic reactor. The catalytic reactor is operated at temperatures of 400–450 °C and pressures of

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  • Overview RTD publicationsBiomass Technology Group BV

    Autothermal catalytic steam reforming of pyrolysis oil Evert Leijenhorst Pyne Newsletter 31 July 2012 Staged gasification clean fuel through innovative coupling of existing thermochemical conversion systems E. Leijenhorst L. van de Beld 17th European biomass conference and exhibition 29 june3 july 2009 pp. .

    Get Price
  • Hydrogen Production Overview

    • Biomass pyrolysis produces bio-oil—which can be shipped and reformed to hydrogen. • NREL is investigating the lowtemperature partial oxidation and catalytic autothermal reforming of bio-oil. • Biomass gasification produces syngas—by applying heat in the presence of steam and oxygen. • NREL is investigating gasification yields

    Get Price
  • Technoeconomic analysis of a methanol plant based on

    produce methanol solely based on renewable sources. The biomass input is gasified in a fluid bed gasifier. The natural gas and biogas input reformed in an autothermal reformerare . The electricity input is used to generate hydrogen(for the syngas) and oxygen (for the gasification and autothermal reforming) by water electrolysis.

    Get Price
  • Kinetic Study of Catalytic Steam Gasification of Biomass

    Mar 20 2015 · Reactive flash volatilisation is an autothermal process to convert biomass into tar‐free synthesis gas under steam‐rich conditions. This article studies the kinetics of reactive flash volatilisation by using Ni Pt Ni Ru Ni Re Ni and Rh Ni catalysts supported on alumina. The rates of mass loss of cellulose xylan and lignin were

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  • USAFluidized bed catalytic coal gasification

    Coal or similar carbonaceous solids impregnated with gasification catalyst constituents (16) are oxidized by contact with a gas containing between 2 volume percent and 21 volume percent oxygen at a temperature between 50° C. and 250° C. in an oxidation zone (24) and the resultant oxidized catalyst impregnated solids are then gasified in a fluidized bed gasification zone (44) at an elevated

    Get Price
  • Technoeconomic analysis of a methanol plant based on

    produce methanol solely based on renewable sources. The biomass input is gasified in a fluid bed gasifier. The natural gas and biogas input reformed in an autothermal reformerare . The electricity input is used to generate hydrogen(for the syngas) and oxygen (for the gasification and autothermal reforming) by water electrolysis.

    Get Price

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