Results 11 to 20 of about 93,370 (205)

Key problems in in-situ pyrolysis of tar-rich coal drilling for extraction of coal-based oil and gas resources

Meitan xuebao, 2023
Tar-rich coal is a special coal resource with the property of oil and gas resources. Developing the oil and gas resources contained in the tar-rich coal is of great significance for ensuring energy security and realizing the goal of "dual carbon".
Deliang FU, Zhonghui DUAN, Fu YANG, Li MA, Zhendong WANG, Tao TIAN, Dan HE   +6 more
doaj   +2 more sources

Study on correlation between pore development and strength characteristics of tar-rich coal in different coal seams

Meikuang Anquan, 2023
In the process of coal mining, the coal body is subjected to external force, resulting in pore penetration and strength decline, which is easy to cause engineering disasters such as roadway surrounding rock instability and roof collapse.
SHEN Yanjun, MA Wen, WANG Xu, SHI Qingmin, ZHANG Lei, LYU You, XU Hanhua   +6 more
doaj   +2 more sources

Differences in pyrolysis behavior and volatiles of tar-rich coal with various origins

Fuel Processing Technology
Abundant in northwest China, tar-rich coal exhibits significantly diverse pyrolysis behaviors depending on its origins. For low-temperature pyrolysis experiments, three coal-forming environments were selected: limno-telmatic (Sample S-1), wet forest ...
Qingmin Shi, Xinyue Zhao, Shuangming Wang, Hongchao Zhao, Ruijun Ji, Chunhao Li, Bingyang Kou, Jun Zhao   +7 more
doaj   +2 more sources

Thermal effect evaluation of tar-rich coal pyrolysis driven by product-oriented and machine learning

Meitan xuebao
The thermal effect of coal pyrolysis is a key parameter in the process of coal pyrolysis mechanism research and reactor design. At present, there are a lot of differences in the accuracy of evaluation methods for coal pyrolysis thermal effect.
Zunyi YU, Gen LIU, Wei GUO, Panxi YANG, Fu YANG, Li MA, Jing WANG, Hongqiang LI, Bolun YANG, Zhiqiang WU   +9 more
doaj   +2 more sources

Co-evolution with pore and molecular structure during tar-rich coal pyrolysis

Case Studies in Thermal Engineering
In-situ pyrolysis of tar-rich coal is a potentially green and low-carbon development technology. However, there are restrictions on the transport of tar and gas products due to the evolution of pore structure during pyrolysis.
Bingyang Kou, Qingmin Shi, Shuangming Wang, Ruijun Ji, Hongchao Zhao, Yichen Mi, Chunhao Li   +6 more
doaj   +2 more sources

Axial pressure impact on pyrolysis behavior of Xinjiang coal: An inspiration for in-situ pyrolysis of tar-rich coal

Fuel Processing Technology
Tar-rich coal in-situ pyrolysis (TCIP) is a green and low-carbon technology that extracts tar and gas from underground tar-rich coal seams. Overburden pressures are a crucial factor for TCIP that differs from conventional ground pyrolysis.
Bingyang Kou, Qingmin Shi, Shuangming Wang, Qiang Sun, Shidong Cui, Xiaolong Yang, Xinyue Zhao, Junwei Qiao   +7 more
doaj   +2 more sources

Evolution law of nanopore properties during underground in-situ pyrolysis of tar-rich coal

Meitan xuebao
Underground pyrolysis of tar-rich coal is a green and low-carbon technology that effectively extracts oil and gas resources from coal. It represents the forefront of clean and low-carbon utilization of coal.
Tao XU, Jie CHEN, Yongping WU, Yubin KE, Panshi XIE, Wenyu LYU   +5 more
doaj   +2 more sources

Simulation study on in-situ pyrolysis behavior of tar-rich coal under overburden stress

Meitan xuebao
The oil and gas conversion of tar-rich coal in-situ pyrolysis provides a new idea to improve the domestic oil and gas independent guarantee and push the green and low-carbon industry of coal.
Qingmin SHI, Xiaolong YANG, Shuangming WANG, Bingyang KOU, Shengquan WANG, Yaya SHI, Fu YANG, Jiuqing LI   +7 more
doaj   +2 more sources

Experimental and Numerical Investigation of In-Situ Pressurized Pyrolysis Characteristics of Tar-Rich Coal [PDF]

ACS Omega
Jingyuan Hao, Baojin Qi, Jinjia Wei
openaire   +2 more sources

Analysis on the occurrence characteristics and resource potential of tar-rich coal in Santanghu and Turpan-Hami Basins

Meitan xuebao, 2023
Oil-rich coal is a special coal resource with a tar yield ≥ 7% and a combination of coal, oil, and gas attributes. It is an important resource and development direction for the clean utilization of coal, and has important scientific value in alleviating ...
Zhen DONG, Mengyuan ZHANG, Yanpeng CHEN, Shuo FENG, Junjie XUE, Hao CHEN, Jijun TIAN, Shanshan CHEN, Yufeng ZHAO, Xinggang WANG, Lixin JIAO, Bin LI   +11 more
doaj   +1 more source