Results 21 to 30 of about 164,373 (303)

Pyrolysis characteristics and product distribution of low-rank coal with heat-carrying particles adopting TG-FTIR and a novel self-mixing down tube reactor

open access: yesCase Studies in Thermal Engineering
A novel self-mixing down tube (SDT) pyrolyzer has been developed, which can separate the heat carrying particles preheated in the fluidized bed from the coal, and the two can be mixed through a specific structure to instantly heat the coal particles to a
Yue Gao, Lanyi Sun, Yuanyu Tian
doaj   +1 more source

An Empirical Study on Laboratory Coke Oven-based Coal Blending for Coking with Tar Residue

open access: yesChemical Engineering Transactions, 2018
Tar residue is the solid waste produced in coking plants or gas generators. Utilizing tar residue as additive in coal blending for coking is an effective approach for coal coking in our country, not only improving the yield and nature of coking products,
Wenqiu Liu
doaj   +1 more source

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

open access: yesMeitan 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   +4 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

Pyrolysis of scrap tyres pretreated by waste coal tar

open access: yesCarbon Resources Conversion, 2018
For disposal of scrap tyres, there have been a lot of studies done by previous researchers, but it yet remains a longstanding challenge in practice. To find a solution for this problem, the feasibility of a proposed approach in a laboratory scale was ...
Shaobo Ouyang   +4 more
doaj   +1 more source

Biodesulphurized subbituminous coal by different fungi and bacteria studied by reductive pyrolysis. Part 1: Initial coal [PDF]

open access: yes, 2008
One of the perspective methods for clean solid fuels production is biodesulphurization. In order to increase the effect of this approach it is necessary to apply the advantages of more informative analytical techniques.
Carleer, R.   +11 more
core   +1 more source

Preparing coal water slurry from BDO tar to achieve resource utilization: gasification process of BDO tar-coal water slurry [PDF]

open access: yesE3S Web of Conferences, 2019
1, 4-Butanediol (BDO) is an important organic and fine chemical raw material, but the waste liquid (BDO tar) discoal charged from the BDO production plant is complex in composition, contains salt, and is complicated to handle.
Mao Lirui   +4 more
doaj   +1 more source

Microwave pyrolysis and its applications to the in situ recovery and conversion of oil from tar-rich coal: An overview on fundamentals, methods, and challenges

open access: yesEnergy Reports, 2021
Efficient, safe, and environmentally friendly methods for the low-carbon utilization of coal are required to exploit this resource as a source of cleaner energy. Tar-rich coal can produce a high volume of oil and is abundant in western China.
Yang Ju   +4 more
doaj   +1 more source

Effect of Reactor Pressure on Coal Tar Hydrocracking [PDF]

open access: yes, 2013
Coal gasificationproduce tar as a side-product. Coal tar is a complex mixture, and consists of various functional groups mainly polyaromatic compounds. Due to its chemical composition, coal tar is categorized as hazardous material.
Ardhyarini, N. (Novie)   +2 more
core  

Twenty‐Year Longitudinal Cohort Study of Cancer Incidence and Mortality Among Workers in Two Primary Aluminum Prebake Smelters

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Background Classified as carcinogenic to humans by the International Agency for Research on Cancer, aluminum production has been transitioning towards lower polycyclic aromatic hydrocarbon‐emitting prebake smelters. This study explored the risk of cancer and mortality over 20 years follow‐up among a cohort of aluminum prebake smelter workers ...
Natasha Kinsman   +7 more
wiley   +1 more source

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