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  • US4603119A - Process for production of activated carbon ,

    Activated carbon is produced from lignite coke It is characterized by the product of the molasses number times the iodine number divided by 1000 being 350 to 1000 and/or the product of the molasses number times the methylene blue number divided by 10 being 500 to 1200 It is produced by adding aqueous alkali or alkaline earth carbonate solution and/or aqueous alkali or alkaline earth .

  • Liquefaction of Shengli lignite with methanol and CaO ,

    The behavior of liquefaction of Shengli (SL) lignite with methanol and CaO in the presence of FeS and tetralin (THN) was studied The effects of reaction temperature and time on the liquefaction .

  • Coal liquefaction - Revolvy

    Coal liquefaction is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicals The conversion industry is commonly referred to as "coal conversion" or "Coal To X" "Coal to Liquid Fuels" is commonly called "CTL" or "coal liquefaction", although "liquefaction" is generally used for a non-chemical process of becoming liqu

  • Coal liquefaction Quarterly report, July--September 1977 ,

    ERDA's program for the conversion of coal to liquid fuels is aimed at improved process configurations for both catalytic and noncatalytic processes to provide more attractive processing economics and lower capital investment The advantage of coal liquefaction is that the entire range of liquid products, including heavy boiler fuel, distillate fuel oil, gasoline, jet fuel, and diesel oil, can .

  • coal benefication: process development for liquefaction ,

    COAL BENEFICIATION: PROCESS DEVELOPMENT FOR LIQUEFACTION Cronauer, Donald C and Swanson, April J h o c 0 Oil Company, Naperville, IL 60566 ABSTRACT I Research was undertaken to evaluate techniques for removing mineral matter and unreactive components from coal for subsequent liquefaction

  • Lignite - Wikipedia

    Lignite can be separated into two typ The first is xyloid lignite or fossil wood and the second form is the compact lignite or perfect lignite Although xyloid lignite may sometimes have the tenacity and the appearance of ordinary wood, it can be seen that the combustible woody tissue has experienced a ,

  • Kawasaki Industries Wants to Make Dirty Lignite Coal ,

    Apr 26, 2017· Ask scientists to name the the world's dirtiest fuel and lignite coal wins hands-down But Kawasaki Heavy Industries (KHI) has developed a production process that cleans up lignite so much that the industrial giant plans to build a 4,000-mile, green-hydrogen supply chain to gasify lignite coal in Australia (while sequestering the CO 2), and then shipping liquified hydrogen back to Japan

  • Chemicals from Direct Coal Liquefaction - Chemical Reviews ,

    A Preliminary investigation of CO effects on lignite liquefaction process Huan Li, Shiyong Wu, Youqing Wu, Sheng Huang, Jinsheng Gao Fuel 2018 221, 417-424 Co-liquefaction of Yatağan lignite and waste tire under catalytic conditions Part 1 Effect of fresh tetraline and recycled tetraline on ,

  • Coal liquefaction Quarterly report, July--September 1977 ,

    ERDA's program for the conversion of coal to liquid fuels is aimed at improved process configurations for both catalytic and noncatalytic processes to provide more attractive processing economics and lower capital investment The advantage of coal liquefaction is that the entire range of liquid products, including heavy boiler fuel, distillate fuel oil, gasoline, jet fuel, and diesel oil, can .

  • Synergistic effects during co-pyrolysis and liquefaction ,

    Nov 29, 2014· Abstract The liquefaction and pyrolysis, co-liquefaction and co-pyrolysis of biomass and its three components (cellulose, hemicellulose, and lignin) with lignite under syngas were conducted, and the synergistic effects during co-liquefaction and co-pyrolysis of coal and biomass or its three components are investigated

  • (PDF) Catalytic Liquefaction of Lignite by Supercritical ,

    PDF | Catalytic hydrogenation liquefaction by supercritical ethanol is an effective method for the efficient utilization of lignite The liquefaction efficiencies of lignite 1(L1) and lignite 2(L2 .

  • Process development for solvent refined lignite ,

    Project Lignite: premium fuels from Northern Great Plains lignite R and D report No 106, interim report No 2 Process development for solvent refined lignite: laboratory autoclave studi Project Lignite: premium fuels from Northern Great Plains lignite R and D report No 106, interim report No 2 Full Record; Other Related Research;

  • Coal liquefaction - Howling Pixel

    Coal liquefaction Coal liquefaction is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicalsThis process is often known as "Coal to X", where X can be many different hydrocarbon-based products However, the most common process chain is "Coal to Liquid Fuels" (CTL)

  • Coal utilization - Gasification | Britannica

    Liquefaction Liquefaction is the process of converting solid coal into liquid fuels The main difference between naturally occurring petroleum fuels and coal is the deficiency of hydrogen in the latter: coal contains only about half the amount found in petroleum Therefore, conversion of coal into liquid fuels involves the addition of hydrogen

  • Research on Supercritical Methanol Treatment of Lignite

    Lignite reserves cover 13% of all the coal reserves in China As its rich reserves and fine liquefaction behavior, lignite becomes high-quality resource to be liquefied But expensive hydrogen is wasted because water is formed during liquefaction process[1,2] To treat lignite before liquefaction ,

  • Coal Gasification - KBR

    In the KBR process, the moisture actually serves as a useful reactant, and ash is recovered in solid form rather than as a molten slag The TRIG process unlocks the true potential of low rank coal by efficiently converting it to high quality synthesis gas for a wide variety of energy and chemicals applications

  • Research on Supercritical Methanol Treatment of Lignite

    Lignite reserves cover 13% of all the coal reserves in China As its rich reserves and fine liquefaction behavior, lignite becomes high-quality resource to be liquefied But expensive hydrogen is wasted because water is formed during liquefaction process[1,2] To treat lignite before liquefaction ,

  • Synfuels Production from Lignite - cdnlignite

    What three ingredients do they begin with for the gasification process? 1 , How many tons of lignite coal comes from Freedom Mine? _____ tons How many gallons of water from Lake Sakakawea is used during gasification that is then later produced , List the Liquefied Gases: .

  • Catalytic co-liquefaction of lignin and lignite coal for ,

    The liquefaction of HL and XL separately without catalyst resulted in a maximum of approx 18 and 11 wt% yield of HO, respectively, while the co-liquefaction process resulted in up to approx 26 wt% of HO, indicating synergy effect in co-liquefaction of lignin and lignite

  • REVIEW ON DIFFERENT TECHNOLOGIES FOR COAL ,

    utilize lignite economically and environmentally Bio-liquefaction of lignite to liquid fuel/chemicals is a potential technology, where lignite is liquefied by microorganism at ambient conditions without generation of air pollutants In the 1980s, German researcher Fakoussa reported that microorganism showed the ability of

  • CONTINUOUS KINETIC LUMPING FOR LIGNITE LIQUEFACTION ,

    CONTINUOUS KINETIC LUMPING FOR LIGNITE LIQUEFACTION P K Moore and R G Anthony Department of Chemical Engineering Texas A&M University, College Station, TX 77843 INTRODUCTION The need for an alternative energy source to counteract both short-term petroleum supply interruptions and the eventual depletion of petroleum reserves has resulted in an increased interest in the utilization ,

  • NIOSHTIC-2 Publications Search - 00133789 - Control ,

    NIOSHTIC-2 Publications Search , Control technology assessment for coal gasification and liquefaction processes, Solvent Refined Lignite Process Development Unit, Grand Forks, North Dakota , A control technology assessment was conducted at the Solvent Refined Lignite Process Development Unit of the University of North Dakota (SIC-3312 .

  • Comprehensive study of structure model, pyrolysis and ,

    Mar 15, 2019· In this paper, an integrated study involving structure model, pyrolysis and liquefaction of Heidaigou lignite (HL) and its liquefied oil was carried out to have an in-depth and comprehensive understanding of liquefaction behaviour of lignite, and provide basic data for industrialisation and process optimisation of coal direct liquefaction

  • US4151066A - Coal liquefaction process - Google Patents

    Coal liquefaction process Download PDF Info , liquefaction Prior art date 1977-02-17 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)

  • Peat and lignite leaching process with tetralin in ,

    are also a few papers about the direct peat liquefaction process, which investigate the liquefaction properties of peat in supercritical water with or without catalyst (Zhang et al, 2008; Li et al, 2011; Xu and Donald 2012) However, the effect of the peat in the mixture of the lignite in the autoclave

  • REVIEW ON DIFFERENT TECHNOLOGIES FOR COAL ,

    utilize lignite economically and environmentally Bio-liquefaction of lignite to liquid fuel/chemicals is a potential technology, where lignite is liquefied by microorganism at ambient conditions without generation of air pollutants In the 1980s, German researcher Fakoussa reported that microorganism showed the ability of