Research on tar-rich coals: Progress and prospects

W Shuangming, BAO Yuan, HAO Yonghui… - Coal Geology & …, 2024 - mtdzykt.com
Tar-rich coals are a coal-based oil and gas resource that integrates the properties of coal,
oil, and gas. Given China's energy endowment of abundant coal resources but limited oil …

Distributions of products from the pyrolysis of tar-rich coals for tar extraction in northern Shaanxi Province, China

YU Zunyi, GUO Wei, Y Panxi… - Coal Geology & …, 2024 - cge.researchcommons.org
Objective Tar-rich coals stand as a special type of coal resource that integrates coal, oil, and
gas properties. These coals, boasting abundant hydrogen-rich structures such as side …

Strategic value and scientific exploration of in-situ pyrolysis of tar-rich coals

W Shuangming, SHI Qingmin, SUN Qiang… - Coal Geology & …, 2024 - mtdzykt.com
Background Given China's significant demand shortfall of oil and gas, numerous constraints
on oil and gas supply, an arduous task of green and low-carbon energy transition of coals …

Pyrolysis behavior of tar-rich coal with various coal-forming environments: A TGA and in-situ transmission FTIR study

Q Shi, Y Mi, S Wang, Y Cai, R Ji, W Xue, X Li, B Han - Fuel, 2024 - Elsevier
Tar-rich coal, abundant in northwestern China, undergoes variations in the coal-forming
environment, resulting in diverse occurrences of tar-rich coal and its molecular structures …

The Coal-Forming Environment Impact on the Pyrolysis Process of Tar-Rich Coal: A Tga and In-Situ Transmission Ftir Study

Q Shi, Y Mi, S Wang, Y Cai, R Ji, W Xue, X Li… - Available at SSRN … - papers.ssrn.com
Tar-rich coal that yields oil and gas resources is abundant in northwestern China. However,
due to variations in the coal-forming environment, the occurrence of tar-rich coal and its key …

Characteristics and sedimentary environment control of Jurassic tar-rich coal in Santanghu Basin

Q Shi, B Zhao, S Wang, X Li, C Li, B Han, Y Mi… - Acta Petrolei …, 2024 - syxb-cps.com.cn
Tar-rich coal resources are widely distributed in Xinjiang region, from which oil and gas can
be extracted through low-temperature pyrolysis. However, there is a great difference in the …

The impact of coal tar yield and properties research

YM Wang - Advanced Materials Research, 2014 - Trans Tech Publ
coal pyrolysis and pyrolysis products deep processing is an effective way to achieve efficient
use of clean coal, has important theoretical and strategic significance. Through the analysis …

Molecular modeling of tar-rich coals from northern Shaanxi and their molecular dynamic characteristics in the process of pyrolysis for tar extraction

GUO Wei, Y Panxi, YU Zunyi, Y Fu, W Jing… - Coal Geology & …, 2024 - mtdzykt.com
Objective The pyrolysis process and mechanism of tar-rich coals remain unclear due to their
complex structures. Therefore, it is necessary to investigate the structure-activity relationship …

Variation of molecular structures affecting tar yield: A comprehensive analysis on coal ranks and depositional environments

Q Shi, C Li, S Wang, R Ji, W Xue, Y Mi, S Wang, Y Cai - Fuel, 2023 - Elsevier
Coal with a tar yield≥ 7%, which is measured in the Gray-King assay, is called tar-rich coal
in China. However, the comprehensive impact of coal ranks and depositional environments …

Geological environment influence and its guarantee technology for in-situ pyrolysis of tar-oil coal

XU Shiang, Z Pingsong, C Gang… - COAL GEOLOGY & …, 2024 - mtdzykt.com
As a unique and unconventional oil and gas resource that combines coal, oil, and gas in
one form, tar-rich coal can be converted into high-value tar, combustible gas, and semi-coke …