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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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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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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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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CONVERTING COAL MINING INTO UNDERGROUND PRODUCTION OF ARTIFICIAL OIL [PDF]
Sustainable Extraction and Processing of Raw Materials Journal, 2022 . A method for direct liquefaction of coal is presented. After separating the coal from waste rock gravitationally in an aqueous salt solution, drying and grinding, the purified separated coal is mixed with a paste-forming reagent.
Alexander Brodt
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Esterification of 1-hexene and acetic acid using resin-supported phosphotungstic acid catalysts
Journal of Science: Advanced Materials and Devices, 2022 As an atom economy technology, the direct esterification reaction of olefins plays a significant role in the production of organic esters. In this work, a series of resin-supported HPW catalysts were prepared using D101, D152, RM027, and A15 as the ...
Xiaoyan Xue +7 more
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Low-Calorie Coal Liquefaction Products as an Alternative Fuel Oil
Indonesian Journal of Chemistry, 2022 Liquefaction of low-rank coal has been done to optimize the utilization of low-rank coal, which is less economical for obtaining alternative fuel oil. Coal samples were taken from the Bukit Pinang coal mine, Samarinda Ulu, East Kalimantan.
Yulfi Zetra +5 more
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Deep processing of organic mass of finely dispersed coal waste [PDF]
E3S Web of Conferences, 2021 The technological and technical possibility of deep processing of coal by its liquefaction using the methods of extreme mechanochemical and physical effects has been determined; recommendations have been developed for the applied use of the obtained ...
Murko Vasilii +2 more
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Effect of Small Molecule Compounds on the Pyrolysis Behavior of Coal [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2022 The effect of small molecule compounds on the pyrolysis behavior of coal is discussed by comparing TG and DTG curves of Yanzhou coal and its tetrahydrofuran (THF) extracted residual in this paper. Based on the thermal gravimetric analysis of Yanzhou coal
Yingchun Wang +9 more
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In-situ impregnation of β-FeOOH on coal by solid-state reaction toward direct coal liquefaction
Catalysis Communications, 2021 Herein, β-FeOOH nanoparticles supported on coal (β-FeOOH@C) were prepared by a solid-state in-situ impregnation and tested for the direct coal liquefaction (DCL) process.
Zixi Chen +5 more
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