liquified lignite process - search results

Liquefaction of lignite by the COSTEAM process (Technical @article{osti, title = {Liquefaction of lignite by the COSTEAM process}, author = {Del Bel, E and Fri liquified lignite process - search results

liquified lignite process - search results

  • Liquefaction of lignite by the COSTEAM process (Technical

    @article{osti, title = {Liquefaction of lignite by the COSTEAM process}, author = {Del Bel, E and Friedman, S and Yavorsky, P M and Wender, I}, abstractNote = {Carbon monoxide, 07 H/sub 2/:10 CO and 3 H/sub 2/:1 CO mole ratio synthesis gases were employed in a process variable study of the parameters influencing the oil yield from a North Dakota lignite01/03/2020· Therefore, the catalytic system of the lignite liquefaction process would be accordingly optimized and modified to afford different products Graphical Abstract This review focuses on liquefaction techniques and the stateoftheart fabrication of various products from a variety of lignites via the direct liquefaction process Based on the nature of primary bond cleavages in the directDirect liquefaction techniques on lignite coal: A reviewAs reported by many researchers, temperature can affect both yield and product quality in a liquefaction process 9,13,17,40,41 To determine the effect of temperature, experiments were performed at 350, 400, and 450 °C; with an ethanol/lignite (E/L) ratio of 9: 1, 50 wt% Ru/C relative to lignite, and a reaction time of 60 min The critical temperature of ethanol is 243 °C Thus, allLiquefaction of lignite with a Ru/C catalyst in

  • Continuous liquefaction of lignite in a process

    OSTIGOV Conference: Continuous liquefaction of lignite in a process development unit Continuous liquefaction of lignite in a process development unitOSTIGOV Conference: Continuous liquefaction of lignite in a process development unit Continuous liquefaction of lignite in a process development unitContinuous liquefaction of lignite in a processAs reported by many researchers, temperature can affect both yield and product quality in a liquefaction process 9,13,17,40,41 To determine the effect of temperature, experiments were performed at 350, 400, and 450 °C; with an ethanol/lignite (E/L) ratio of 9: 1, 50 wt% Ru/C relative to lignite, and a reaction time of 60 min The critical temperature of ethanol is 243 °C Thus, allLiquefaction of lignite with a Ru/C catalyst in

  • Liquefaction of lignite with a Ru/C catalyst in

    Liquefaction of lignite with a Ru/C catalyst in supercritical ethanol† Rongrong Miao,a Qianqiu Zhang,a Yuzhen Shi,a Junjie Gu,a Ping Ninga and Qingqing Guan*ab High moisture content materials present challenges for direct liquefaction We herein report an effective way to liquefy high moisture content feedstocks in supercritical ethanol with a Ru/C catalyst The Ru/C catalyst converts someDownload Citation | Direct liquefaction techniques on lignite coal: A review | With the pressure owing to fossil oil shortages, direct liquefaction is attracting significant attention as a highlyDirect liquefaction techniques on lignite coal: A review–Process design is not simplistic, –Scope is highly civil/mechanical, –Projects are capital intensive, and –Not all LNG plants are created equal (NALPACE) •Offshore liquefaction (FLNG) significantly increases the complexity of an LNG project Items Not Addressed Today 4 •LNG transfer, storage, regasification, and LNG shipping –Regas: more simplistic than liquefaction, butLiquefied Natural Gas (LNG) SPEGCS

  • Direct Coal Liquefaction an overview | ScienceDirect Topics

    The process special points: using molybdenum catalyst with high hydrogenation activity, and centrifugal solvent recycle and incineration were used for recovery; the liquefaction reaction gas pressure is low, the liquefaction pressure of lignite hydrogenation is 60 MPa, bituminous coal is 100 MPa, which is helpful to reduce the investment and operation cost; using instantaneous vortex chamberCoal liquefaction is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicals This process is often known as "Coal to X" or "Carbon to X", where X can be many different hydrocarbonbased products However, the most common process chain is "Coal to Liquid Fuels" (CTL) Historical background Coal liquefaction originally was developed at the beginning ofCoal liquefaction Wikipedialiquefaction process mainly consists of the following steps: crushing and drying of coal; preparation of coal slurry; hydroliquefaction; separation of liquid products from solid residues; purification and refine of liquid products 21 Physicochemical Principles Chemical structure of organic matter in coal, as far as we are greatly concerned with, is very complicated and varies From mostLiquefaction of Coal

  • Direct liquefaction techniques on lignite coal: A review

    Abstract With the pressure owing to fossil oil shortages, direct liquefaction is attracting significant attention as a highly efficient and lowcost technique for lignitetofuel conversion In this review, the diverse catalytic systems and mechanisms involved in lignite liquefaction are reviewed The top five global technologies include IGOR (Germany), HTI (the USA), FFI (Russia), NEDOLlignitebased activated carbon Cabot 1,000 nm 100 nm 207 33 Activated carbon sorbents are tailored for specific applications mainly based on pore size and pore volume requirements Porosity and other parameters are controlled by the following: 1) raw material selection; 2) activation process conditions; and 3) postprocessing steps Depending on the application, activated carbon may be inActivated Carbon: Fundamentals and New ApplicationsAs reported by many researchers, temperature can affect both yield and product quality in a liquefaction process 9,13,17,40,41 To determine the effect of temperature, experiments were performed at 350, 400, and 450 °C; with an ethanol/lignite (E/L) ratio of 9: 1, 50 wt% Ru/C relative to lignite, and a reaction time of 60 min The critical temperature of ethanol is 243 °C Thus, allLiquefaction of lignite with a Ru/C catalyst in

  • Liquefaction of lignite with a Ru/C catalyst in

    Liquefaction of lignite with a Ru/C catalyst in supercritical ethanol† Rongrong Miao,a Qianqiu Zhang,a Yuzhen Shi,a Junjie Gu,a Ping Ninga and Qingqing Guan*ab High moisture content materials present challenges for direct liquefaction We herein report an effective way to liquefy high moisture content feedstocks in supercritical ethanol with a Ru/C catalyst The Ru/C catalyst converts someDownload Citation | Direct liquefaction techniques on lignite coal: A review | With the pressure owing to fossil oil shortages, direct liquefaction is attracting significant attention as a highlyDirect liquefaction techniques on lignite coal: A reviewThe frontend design of a direct coal liquefaction process for the conversion of lignite into coal liquids by solvent extraction was investigated The experimental work focused on physical coalDirect Coal Liquefaction: Low Temperature Dissolution Process

  • Startup solvent selection for the liquefaction of lignite

    In studies at the University of North Dakota sponsored by the US Office of Coal Research, batch liquefaction tests with 15 coalderived (CD) and 10 petroleumderived (PD) potential solvents as hydrogen donors, in a 1 gal autoclave at 752/sup 0/F, 28503300 psig max, and at a 1 : 1 carbon monoxide/hydrogen mole ratio showed that CD creosote oil, CD anthracene oil, FS120 (Gulf carbonAbstract With the pressure owing to fossil oil shortages, direct liquefaction is attracting significant attention as a highly efficient and lowcost technique for lignitetofuel conversion In this review, the diverse catalytic systems and mechanisms involved in lignite liquefaction are reviewed The top five global technologies include IGOR (Germany), HTI (the USA), FFI (Russia), NEDOLDirect liquefaction techniques on lignite coal: A reviewthe liquefaction process for lignite since the 1970s and had cooperated with several other Japanese companies to conduct a pilot project in Victoria, Australia, under a consignment arrangement of the New Energy and Industrial Technology Development Organization (hereinafter NEDO) since 1981 The extensive knowledge on lignite acquired through this project led Kobe Steel to develop the UBCMinemouth Power Generation System Based on Upgraded

  • WTA TECHNOLOGY RWE

    In order to process the lignite to make gaseous and liquid products as well as highquality solid fuels, the moisture content must be reduced to 10 to 20 % wt Being a basic processtechnology operation, drying occupies a key position in lignite upgrading as well Here, too, an energyefficient drying method improves the energy balance of the overall process As a modern method for process21/01/2019· Coal liquefied pitch (CLP) was prepared by the method of solvent extraction–hot filtration–distillation with the coal liquefied residue as the raw material As one of the preconceived raw material to produce highquality coalbased carbon material, the changes of structure of CLP during liquidphase carbonization process have been detailed investigated in this study Actually, FTIRChanges in structure of coal liquefied pitch during liquidlignitebased activated carbon Cabot 1,000 nm 100 nm 207 33 Activated carbon sorbents are tailored for specific applications mainly based on pore size and pore volume requirements Porosity and other parameters are controlled by the following: 1) raw material selection; 2) activation process conditions; and 3) postprocessing steps Depending on the application, activated carbon may be inActivated Carbon: Fundamentals and New Applications