Results 21 to 30 of about 14,802 (168)

Thermodynamic Analysis on In Situ Underground Pyrolysis of Tar-Rich Coal: Secondary Reactions. [PDF]

ACS Omega, 2023
To develop the in situ underground pyrolysis process of tar-rich coal more scientifically, the effect of temperature and pressure on the distribution of pyrolysis products should be clarified.
Fu D, Yu Z, Gao K, Duan Z, Wang Z, Guo W, Yang P, Zhang J, Yang B, Yang F, Wu Z.   +10 more
europepmc   +2 more sources

Distribution and controlled geological factors of oil-rich coal in shaanxi province

Meitan kexue jishu, 2023
The green, clean and efficient utilization of coal is an important way for the sustainable development of coal industry. Shaanxi province is rich in coal resources, which are mainly distributed in the five coal fields in the north of Shaanxi province ...
YANG Fu, DUAN Zhonghui, MA Li, FU Deliang, TIAN Tao, HE Dan, YUE Mingjuan   +6 more
doaj   +1 more source

Application research on the prediction of tar yield of deep coal seam mining areas based on PSO-BPNN machine learning algorithm

Frontiers in Earth Science, 2023
There are abundant deep coal resources in northern Shaanxi, but the fragile natural environment in this area hinders the large-scale exploitation of oil-rich coal.
Junwei Qiao, Junwei Qiao, Junwei Qiao, Changjian Wang, Gang Su, Xiangyang Liang, Shenpei Dong, Yi Jiang, Yu Zhang   +8 more
doaj   +1 more source

Effect of Carbon Foam Catalyst on Tar Upgrading During Low Rank Coal Pyrolysis

Taiyuan Ligong Daxue xuebao, 2022
Carbon foam catalysts (CF1, CF2, CF3) were prepared by spontaneous foaming method using Liulin coal (LL) as raw materials, and the pyrolysis experiments of Xinjiang Naomaohu long-flame coal (NMH) and Inner Mongolia Shengli lignite coal (SL) were ...
Yuxuan MA, Lunjing YAN, Meijun WANG, Xufeng ZHANG, Weiren BAO   +4 more
doaj   +1 more source

Investigating the impact and reaction pathway of toluene on a SOFC running on syngas [PDF]

, 2014
The integration of solid oxide fuel cells (SOFCs) with gasification systems have theoretically been shown to have a great potential to provide highly efficient distributed generation energy systems that can be fuelled by biomass including municipal solid
Aravind, PV, Stankovic, S, Dehouche, Z, Doyle, TS, Liu, M   +4 more
core   +1 more source

Quality control and dust removal analysis of dust-containing gaseous tar from low rank coal pyrolysis

Meitan xuebao, 2023
Under the background of “carbon peaking and carbon neutrality”, the grading and qualitative conversion of low-rank coal through pyrolysis as the core technology is of great significance to the green and low-carbon development of the coal processing ...
Qian WANG, Ting LI, Qian LIU, Yanfeng SHEN, Meijun WANG, Lunjing YAN, Weiren BAO, Liping CHANG   +7 more
doaj   +1 more source

Occupational exposure to coal tar products [PDF]

"NIOSH recommends that occupational exposure to coal tar products in the workplace be controlled so that employees are not exposed to coal tar (8007452), coal tar pitch, creosote (8001589), or mixtures of these substances at a concentration greater than ...

core   +1 more source

Differences and origins of hydrocarbon generation characteristics between tar-rich coal and tar-containing coal in Yan’an Formation, Ordos Basin

Meitan xuebao
Properties of oil and gas resource found in tar-rich coal present a novel avenue for enhancing domestic oil and gas supply. The characteristics of hydrocarbon generation kinetics are critical factors that influence the in-situ pyrolysis conversion ...
Ruihui ZHENG, Yuan BAO, Nan ZHANG, Jiao XUE, Jiajun LI, Yonghui HAO, Tuo SHAN   +6 more
doaj   +1 more source

Organic geochemical characteristics and geological indicative significance of tar-rich coal

Meitan xuebao
As a strategic mineral resource that integrates coal-based fuel, liquid oil, and gaseous energy, the efficient exploration and tiered utilization of tar-rich coal are of great significance for ensuring national energy security and maximizing the value of
Yuan BAO, Yufei ZHUANG, Shuangming WANG, Ruihui ZHENG, Yiliang HU, Qi YANG   +5 more
doaj   +1 more source

Coal tar: a by-product in cokemaking and an essential raw material in carbochemistry

, 2021
The carbonization of coal to produce metallurgical coke in slot-type recovery ovens is the main source of coal tar production. But tar is not a prime process target, and its composition and properties are subordinated to the primary aim of producing ...
García Fernández, Roberto, Díez Díaz-Estébanez, María Antonia   +1 more
core   +1 more source