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Recent Advances in Direct Coal Liquefaction [PDF]

open access: yesEnergies, 2010
The growing demand for petroleum, accompanied by the declining petroleum reserves and the concerns over energy security, has intensified the interest in direct coal liquefaction (DCL), particularly in countries such as China which is rich in coal ...
Chunbao (Charles) Xu   +2 more
doaj   +5 more sources

Reaction Engineering of Direct Coal Liquefaction [PDF]

open access: yesEnergies, 2009
Direct coal liquefaction has been studied and practiced since the 1930s. It was used in Germany during World War II to produce synthetic fuels when there was no oil allowed into the country.
Ken K. Robinson
doaj   +3 more sources

Effect of Recycle Solvent Hydrotreatment on Oil Yield of Direct Coal Liquefaction

open access: yesEnergies, 2015
Effects of the recycle solvent hydrotreatment on oil yield of direct coal liquefaction were carried out in the 0.18 t/day direct coal liquefaction bench support unit of National Engineering Laboratory for Direct Coal Liquefaction (China).
Shansong Gao, Dexiang Zhang, Kejian Li
doaj   +4 more sources

CONVERTING COAL MINING INTO UNDERGROUND PRODUCTION OF ARTIFICIAL OIL [PDF]

open access: yesSustainable 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
doaj   +1 more source

Study on the Structure and Catalytic Performance of Catalyst Fe7S8 for Direct Coal Liquefaction

open access: yesTaiyuan Ligong Daxue xuebao, 2021
In order to study the relationship between the direct coal liquefaction performance and the structure of Fe7S8 catalysts prepared by different methods, Fe7S8 catalysts with different crystal structures were prepared by calcination and solvothermal method
Xueming WANG, Xiaohong LI, Ruoqing WANG
doaj   +1 more source

Experiment and Algorithm Research of Coal Direct Liquefaction Residual Oil Pyrolysis and Coking Technology Based on Lumped Kinetic Engineering

open access: yesJournal of Mathematics, 2022
With the development of computer operation technology and algorithms, the lumped dynamic model is more practical, and the development and application are more comprehensive.
Tian Bo, Chaohe Yang
doaj   +1 more source

In-situ impregnation of β-FeOOH on coal by solid-state reaction toward direct coal liquefaction

open access: yesCatalysis 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
doaj   +1 more source

Kinetic modelling of low temperature direct coal liquefaction: Consideration of dynamic catalyst activity

open access: yesSouth African Journal of Chemical Engineering, 2021
A kinetic model for direct coal liquefaction at low temperature in the presence of a magnetite nano-catalyst was developed. The model took into account the iron oxide catalyst transformation into its active state as well as the process of reactive ...
Ethan Gabriel Hammond   +3 more
doaj   +1 more source

Carbon emissions from in-situ pyrolysis of tar-rich coal based on full life cycle analysis method

open access: yesMeitan xuebao, 2023
The control of carbon emissions has already become a great social strategic problem in China which must be solved at present and in the future. It is imperative to carry out safe, efficient, and low-carbon utilizations in the coal industry under the ...
Xiangyu XUE   +4 more
doaj   +1 more source

Process study and CO2 emission reduction analysis of coal liquefaction residue fluidized bed pyrolysis

open access: yesFrontiers in Energy Research, 2022
The direct coal liquefaction process usually produces a liquefaction residue of about 30% of its coal feed. The effective utilization of the coal liquefaction residue (CLR), which contains about 80% organic matter, is of great significance for improving ...
Bo Tian   +10 more
doaj   +1 more source

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