Key problems in in-situ pyrolysis of tar-rich coal drilling for extraction of coal-based oil and gas resources [PDF]
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 +6 more
doaj +3 more sources
Influences of Four Kinds of Surfactants on Biodegradations of Tar-Rich Coal in the Ordos Basin by Bacillus bicheniformis [PDF]
Microorganisms, 2023 The biodegradation of tar-rich coal in the Ordos Basin was carried out by Bacillus licheniformis (B. licheniformis) under actions of four kinds of surfactants, namely, a biological surfactant (Rh), a nonionic surfactant (Triton X-100), an anionic ...
Wensheng Shen +6 more
doaj +4 more sources
Strategic Study of CAE, 2022 The resources of tar-rich coal in Western China are abundant and are available for large-scale development. Understanding the oil and gas resource properties of tar-rich coal and promoting the development and transformation of tar-rich coal to produce ...
Wang Shuangming +2 more
exaly +4 more sources
Fuel Processing TechnologyTar-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.
Shi Qingmin, Junwei Qiao, Shidong Cui
exaly +4 more sources
Differences in pyrolysis behavior and volatiles of tar-rich coal with various origins
Fuel Processing TechnologyAbundant 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 ...
Shi Qingmin, Ruijun Ji, Bingyang Kou
exaly +4 more sources
Comparison of the Catalytic Performance of Several Coal Gangue-Based Catalysts on Tar-Rich Coal Pyrolysis in a TGA and a Fixed-Bed Reactor [PDF]
NanomaterialsCoal gangue shows promise as a potential raw material for coal pyrolysis catalysts. This study prepared coal gangue char catalysts from two types of coal gangue (CGY and CGH) via pyrolysis at 700 °C under N2, O2/N2 and steam/N2 atmospheres, labeled as ...
Zhibing Chang +6 more
doaj +2 more sources
Enhancement of biodegradation of tar-rich coal through sequential treatment by N. mangyaensis and Ochrobactrum sp. [PDF]
Scientific ReportsSequential degradation using two bacteria with complementary metabolic capabilities offers a promising strategy for enhancing coal biodegradation efficiency.
Wensheng Shen +6 more
doaj +2 more sources
Study on the structural characteristics of nitrogen-containing compounds in co-pyrolysis tar of low rank coal using 1H-15N HMBC analysis [PDF]
Scientific ReportsClarifying the structure, category, and content of nitrogen-containing compounds in coal tar is not only the key to directional regulation of pyrolysis processes, but also one of the needs for refined utilization of coal resources.
Yichen Zhang +11 more
doaj +2 more sources
Infrared Spectrum and Principal Component Analysis of Heavy Tar Cut by Different Fractions from Tar-Rich Coal [PDF]
ACS Omega, 2023 Zhonghua Zhang, Zhao Xue, Hao Shu
doaj +2 more sources
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 +11 more
doaj +1 more source