Results 41 to 50 of about 1,754,688 (187)

Occurrence of tar-rich coal: review and perspectives

open access: yesAustralian Journal of Earth Sciences
Tar-rich coal, a unique coal type characterised by dual attributes as both a resource and energy carrier, holds significant implications for the development of coal-based hydrocarbon resources and the implementation of carbon neutrality strategies. This study systematically reviews the geological–biochemical processes governing the formation of tar ...
J. Bian   +6 more
openaire   +1 more source

Numerical simulation on development effect of tar-rich coal through in-situ conversion by convective heating in Huangling Mining Area

open access: yes, 2023
The effective development of tar-rich coal to extract oil is of great practical significance to alleviate the oil and gas tension in China, and the convective heating technology of underground in-situ mining is one of the main technologies for the ...
Jiazong, LI   +4 more
core   +1 more source

Current situation and prospect of exploration and research on tar-rich coal resources

open access: yesMeitan xuebao
Tar-rich coal is a kind of coal-based oil and gas resource with a solid foundation for large-scale development. However, its resource exploration still faces challenges, including insufficient universality of tar yield prediction methods, low exploration
Li MA   +5 more
doaj   +1 more source

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

open access: yesMeitan 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   +6 more
doaj   +1 more source

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

open access: yesMeitan 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   +7 more
doaj   +1 more source

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

open access: yesMeitan 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   +5 more
doaj   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

open access: yesAdvanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen   +9 more
wiley   +1 more source

Occupational exposure to coal tar products [PDF]

open access: yes
"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

Computational and Data‐Driven Strategies for Lignocellulosic Biomass Valorization: From Multiscale Modeling to Digitalized Biorefinery Design

open access: yesAdvanced Science, EarlyView.
This Review critically connects structural recalcitrance, molecular modeling, solvent and catalyst design, pyrolysis, machine learning, reactor simulation, and FAIR digital infrastructure. Emphasis is placed on experimentally validated information transfer across scales, uncertainty and applicability domains, and the recycle, durability, techno ...
Abdullahi Bello Umar   +9 more
wiley   +1 more source

Organic geochemistry of the Jurassic tar-rich coal in Northern Shaanxi Province

open access: yes, 2021
The organic geochemical characteristics of tar-rich coal are of great significance to study the paleosedimentary environment and evolution of coal seams.
Junwei, QIAO   +3 more
core   +1 more source

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