Results 81 to 90 of about 14,802 (168)

Coal tar therapy. Is it carcinogenic?

open access: yes, 1996
Coal tar therapy. Is it carcinogenic? van Schooten FJ, Godschalk R. Department of Health Risk Analysis and Toxicology, University of Maastricht, The Netherlands. F.vanschooten@GRAT.unimaas.NL Epidemiological studies indicate that occupational exposure to
van Schooten, F.J., Godschalk, R.W.L.
core   +1 more source

Coal-tar pitch as the matrix carbon precursor in carbon–carbon composites

open access: yes, 1995
Coal-tar pitch is a promising carbon matrix precursor for carbon-carbon composites. It has a suitable viscosity, high carbon yield, and it forms graphitic structures. In addition, pitch is a relatively cheap raw material.
Panagiotis D. Matzinos (7127036)
core  

Study on the Extraction Mechanism of Metal Ions on Small Molecular Phase of Tar-Rich Coal under Ultrasonic Loading

open access: yes
This study aims to elucidate the mechanism by which the ultrasonic loading of metal affects the extraction of small molecular phase substances (low molecular compounds) in tar-rich coal. Tar-rich coal samples were collected from the Huangling mining area
Zetang Wang   +3 more
core   +1 more source

Potential of Using Coal Tar as a Quenching Agent for Coal Gasification

open access: yes, 2015
To reduce water usage and wastewater treatment in coal gasification processing, the use of non-aqueous quenching agents was proposed. The purpose of this study is to assess the potential of using coal tar as a quenching agent for the Luger coal ...
Quan Shi (1261062)   +3 more
core   +1 more source

Molecular Simulation of Graphene Growth Reactions at Various Temperatures Derived from Benzene in Coal Tar Aromatic Hydrocarbons

open access: yesEnergies
Coal tar, a by-product of the pyrolysis of coal, is rich in aromatic compounds that have the potential to facilitate the synthesis of graphene, a high-quality carbon material, via low-temperature chemical vapor deposition (CVD).
Shuhan Zhao   +4 more
doaj   +1 more source

Composite materials based on coal tar pitch

open access: yes, 2015
Coal tar pitch is a unique product with a rich set of properties, among which are polymeric ones. Modification of coal tar pitches provides a wide opportunity to adjust and change their properties.
Satsyuk, Kostiantyn   +2 more
core  

A Review of In-situ Pyrolysis Research on Tar-rich Coal and Oil Shale

open access: yes
As two important unconventional oil and gas resources, the in-situ pyrolysis technologies of tar-rich Coal and oil shale are key approaches to realize the clean and efficient utilization of resources, alleviate the contradiction between oil and gas ...
Wu, Yongping, Liu, Baoheng
core   +1 more source

Simplified Catalyst Lifetime Prediction Model for Coal Tar in the Hydrogenation Process

open access: yes, 2016
A simplified catalyst deactivation model was proposed in this work to evaluate the catalyst life character. The model mainly considered the effect of coking deposition on the catalyst deactivation.
Yang, Yiqian   +4 more
core   +1 more source

Characteristics of Pyrolysis Products of Tar-Rich Coal Under Cryogenic Pretreatment with Liquid Nitrogen

open access: yes
The conventional pyrolysis of tar-rich coals faces limitations in maximizing tar yield and optimizing tar composition, often resulting in inefficient resource utilization and elevated emissions of CO2.
Yurui Lei   +6 more
core   +1 more source

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