Results 11 to 20 of about 1,754,688 (187)

Study on Pore Structure and Fractal Characteristics of Tar-Rich Coal during Pyrolysis by Mercury Intrusion Porosimetry (MIP)

Geofluids, 2022
This study aims to show how fractal analysis can be effectively used to characterize the pore structure of porous tar-rich coal. In this study, tar-rich coal pores were obtained by mercury intrusion porosimetry (MIP).
Zhendong Wang, Pengfei Jiang, Fu Yang, Yuanyuan Kong, Li Ma, Bohan Xie, Zhonghui Duan   +6 more
doaj   +3 more sources

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

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   +3 more sources

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

ACS Omega
In-situ pyrolysis represents a promising method for the clean and efficient utilization of tar-rich coal; however, the high-pressure underground environment presents substantial challenges for elucidating pyrolysis mechanisms. In this study, ReaxFF molecular dynamics simulations were combined with experimental validation to investigate the pyrolysis ...
Hao J, Qi B, Wei J.
europepmc   +5 more sources

Distribution of early and middle Jurassic tar-rich coal and its geological controls in Northern Xinjiang

Meitan kexue jishu
The tar-rich coal resources in northern Xinjiang are rich, accounting for about half of the country's tar-rich coal. The rational development and utilization of tar-rich coal resources in this region is an important supplement to Chinese coal resources ...
Shuzheng NING, Li ZHANG, Xiaotao XU, Jianqiang ZHANG, Zhuo ZOU   +4 more
doaj   +2 more sources

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

Meitan 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, Chang’an WANG, Lei DENG, Xing NING, Defu CHE   +4 more
doaj   +2 more sources

Differences in hydrocarbon generation kinetics between shale and tar-rich coal and temperature conditions for in-situ co-production [PDF]

Meitan xuebao
The area of shale exhibiting middle- to low-maturity constitutes over 90% of the total shale area within the seventh Member of the Yanchang Formation (Chang 7 Member) in the Ordos Basin. Additionally, the tar-rich coal resources of the Lower-Jurassic Yan’
Ruihui ZHENG, Yuan BAO, Zhihuan ZHANG, Xuan YUAN   +3 more
doaj   +2 more sources

Fissure evolution and variation of pyrolysis kinetics parameters of tar-rich coal during heat treatment under different atmosphere

Meitan kexue jishu
The clean and efficient development of tar-rich coal is helpful in ensuring China's energy security. The tar-rich coal from Ningtiaota Mine was selected and heated under N2 and hypoxia atmosphere.
Shuangming WANG, Qiang SUN, Xin HU, Zhenlong GE, Jishi GENG, Shengze XUE, Qingmin SHI   +6 more
doaj   +2 more sources

Spatio-temporal evolution of temperature fields in tar-rich coal and overlying strata during pyrolysis [PDF]

Meitan kexue jishu
In-situ pyrolysis of tar-rich coal is an innovative coal utilization method that heats coal seams by isolating air to extract oil and gas resources. This approach plays a crucial role in improving domestic oil and gas supply and ensuring national energy ...
Jiyuan DUAN, Jishi GENG, Shuangming WANG, Qiang SUN, He ZHANG, Qingmin SHI, Yuhang LI, Boxing YANG, Kexin YU   +8 more
doaj   +2 more sources

Research progress of in-situ pyrolysis technology for tar-rich coal

Meitan xuebao
China has abundant resources of tar-rich coal, and the in-situ pyrolysis extraction of oil and gas can not only achieve efficient, clean, and low-carbon utilization of tar-rich coal, but also alleviate the external dependence of oil and gas, which is one
Miao WANG, Chang’an WANG, Xing NING, Meijing CHEN, Xiaole HUANG, Xiangyu XUE, Qisen MAO, Lei DENG, Defu CHE   +8 more
doaj   +2 more sources

Environmental and Economic Evaluation of In-situ Pyrolysis of Tar-rich Coal [PDF]

Sustainability in Environment
As a strategic coal-based oil and gas resource integrating the properties of coal, oil and gas, the in-situ pyrolysis technology of tar-rich Coal is an important path to realize the clean and efficient utilization of coal, alleviate the contradiction between oil and gas supply and demand, and help achieve the “double carbon” goals.
Baoheng Liu, Yongping Wu
openaire   +2 more sources