Results 11 to 20 of about 22,366 (236)

Recent Advances in Direct Coal Liquefaction

Energies, 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, Zhenyi Cai, Hengfu Shui   +2 more
doaj   +3 more sources

Sea Transportation of Coal Liable to Liquefaction [PDF]

TransNav, 2019
The marine industry is a vital link in the international trade, with vessels representing the most efficient, and often the only method of transporting large volumes of raw materials.
Marzenna Popek
doaj   +1 more source

The catalytic performance of acid-modified Hβ molecular sieves for environmentally friendly acylation of 2-methylnaphthalene

Green Processing and Synthesis, 2022
2,6-Methylacylnaphthalene is an important organic chemical raw material, mainly used as a precursor for synthesizing polyethylene 2,6-naphthalene dicarboxylate (PEN).
Sun Jingjing, Zhang Nan, Jin Haibo, Mao Xuefeng, He Guangxiang, Li Junfang, Yan Zihao, Hu Fating, Ma Lei, Guo Xiaoyan, Yang Suohe   +10 more
doaj   +1 more source

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

Taiyuan 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

Study on comprehensive utilization technology of low concentration coal bed methane [PDF]

E3S Web of Conferences, 2021
Aiming at the problems of low utilization rate and serious environmental pollution caused by low concentration coal bed methane emission in a coal mine, the utilization technology of low concentration coal bed methane was studied by means of field ...
Xiao Lu
doaj   +1 more source

Investigation of the Liquefaction Potential of Coal Ash Due to Seismic Loading

Slovak Journal of Civil Engineering, 2022
Coal ash is a geomaterial with a metastable structure. This type of geomaterial is significantly susceptible to liquefaction as a result of seismic loads.
Slávik Ivan
doaj   +1 more source

Co-liquefaction of Tunçbilek lignite with algae (spirulina species): Effect of process parameters and characterization of chars and oils

Results in Engineering, 2022
Nowadays, to reduce the cost of coal liquefaction and to produce a new liquid fuel alternative to petroleum, it is considered a more convenient method to liquefy coal and biomass together instead of solely coal liquefaction. Liquefaction experiments were
Buğra Çavuşoğlu, Cemil Koyunoğlu, Hüseyin Karaca   +2 more
doaj   +1 more source

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

Energies, 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   +1 more source

Process analysis of pressurized oxy-coal power cycle for carbon capture application integrated with liquid air power generation and binary cycle engines [PDF]

, 2015
In this paper, the thermodynamic advantage of integrating liquid air power generation (LAPG) process and binary cycle waste heat recovery technology to a standalone pressurized oxy-coal combustion supercritical steam power generation cycle is ...
Aneke, Mathew, Wang, Meihong
core   +1 more source

Application of Coal Liquefaction Residue Replacing Polyurethane Waterproof Coating in Building Waterproof

Chemical Engineering Transactions, 2018
This paper sets to analyze the application of coal liquefaction residue for the purpose of building waterproof replacing polyurethane waterproof coating.
Lingzhi Zhang
doaj   +1 more source