Studies of coal reactivity for direct liquefaction [PDF]
Fuel, 1991 This paper presents a preliminary report on a continuing effort to quantify the reactivity of coal for direct liquefaction reactions in terms of the utilization of hydrogen, the selectivity to products and the properties of the products formed. Liquefaction processes are aimed at maximizing the yield of distillate that can serve as hydrocarbon fuels ...
Stephens, H. P., Kottenstette, R. J.
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Transformation Characteristics of Hydrogen-Donor Solvent Tetralin in the Process of Direct Coal Liquefaction [PDF]
Frontiers in Chemistry, 2019 The aim of this study is to investigate the transformation of hydrogen-donor solvent tetralin in the direct liquefaction process of coal. Pure tetralin liquid as well as mixture of tetralin and Wucaiwan coal (WCW) were separately reacted under a ...
Hai-zhou Chang +6 more
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Co-Liquefaction of Wastes and Coal Mixtures to Produce Added Value Liquid Compounds [PDF]
Chemical Engineering Transactions, 2018 Nowadays there is an increasing need to find alternative fuels to reduce the dependency on imported ones and to decrease the negative environmental impact of wastes accumulation.
F. Pinto +6 more
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Structural Characteristics and Direct Liquefaction Performance of Macerals in Yili Coal from Xinjiang [PDF]
MoleculesEffectively separating and utilizing macerals based on their properties is crucial for the efficient and high-value utilization of coal. This study enhances the traditional screening method by employing primary and stepwise crushing techniques to ...
Yongpan Wang +7 more
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Direct Liquefaction of South African Vitrinite- and Inertinite-Rich Coal Fines [PDF]
ACS OmegaIn this investigation, coal fines enriched with inertinite were used for direct liquefaction experiments. For comparison, a vitrinite-rich coal typically utilized in coal-to-liquid processes was also employed.
Naldo J.A. Meyer +3 more
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Research on the maceral characteristics of Shenhua coal and efficient and directional direct coal liquefaction technology [PDF]
International Journal of Coal Science & Technology, 2014 In this research, molecular structure models were developed respectively for Shenhua coal vitrinite concentrates (SDV) and inertinite concentrates (SDI), on the basis of information on constitutional unit of Shenhau coal and elemental analysis results ...
Geping Shu, Yuzhuo Zhang
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Experimental Study on Electrochemical Desulfurization of Coal Liquefaction Residue [PDF]
Molecules, 2023 The occurrence of sulfur in coal direct liquefaction residue affects its further high quality and high value utilization. Electrochemical desulfurization is characterized by mild reaction conditions, simple operation, easy separation of sulfur conversion
Jianming Fan +5 more
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Influence of coal liquefaction residues as fine aggregate substitution on asphalt mixture performance and adsorption characteristics [PDF]
Scientific ReportsThis study investigates the effects of partially replacing fine limestone aggregates in asphalt mixtures with indirect coal liquefaction residue (ICLR) and direct coal liquefaction residue (DCLR).
Zhe Wang +7 more
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Short Contact Time Direct Coal Liquefaction Using a Novel Batch Reactor [PDF]
, 2016 The primary objective of this research is to optimize the design and operation of the bench scale batch reactor (SCTBR) for studying direct coal liquefaction at short contact times (.01 to 10 minutes or longer).
He Huang; Michael T. Klein; William H. Calkins
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Direct Coal Liquefaction with Fe3O4 Nanocatalysts Prepared by a Simple Solid-State Method
Energies, 2017 Fe3O4 nanoparticles were prepared by a simple solid-state method under ambient conditions. The obtained nanoparticles, with small size and large surface area, were used as a catalyst for direct coal liquefaction (DCL).
Yizhao Li, Yali Cao, Dianzeng Jia
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