Results 11 to 20 of about 164,373 (303)

Supercapacitor Performances of Coal Tar Pitch Based Spherical Active Carbons Fabricated by the SiO2 Template Method

Journal of Chemical Engineering of Japan, 2023
In accordance with the suspension method, the coal tar pitch-based SiO2/C composite sphere precursors are successfully synthesized by using the coal tar pitches as carbon resources and a template agent of SiO2.
Baoqing Mo, Luyao Wang, Lixiang Li, Beibei Han, Guiying Xu, Kun Wang, Jian Zhang, Zhenyong Ni, Xu He, Weimin Zhou   +9 more
doaj   +1 more source

Effect of Co and Mo Loading by Impregnation and Ion Exchange Methods on Morphological Properties of Zeolite Y Catalyst [PDF]

, 2016
Coal tar can be used as an alternative raw material for the production of liquid fuels, such as: gasoline and diesel through hydrogenation and cracking process.
Anggoro, Didi Dwi, Buchori, Luqman, Hidayati, Nur, Mundriyastutik, Yayuk   +3 more
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Gas emissions, minerals, and tars associated with three coal fires, Powder River Basin, USA. [PDF]

, 2012
Ground-based surveys of three coal fires and airborne surveys of two of the fires were conducted near Sheridan, Wyoming. The fires occur in natural outcrops and in abandoned mines, all containing Paleocene-age subbituminous coals. Diffuse (carbon dioxide
Aggen, Kerry L, Blake, Donald R, Eatwell, Robert J, Emsbo-Mattingly, Stephen D, Engle, Mark A, Heffern, Edward L, Henke, Kevin R, Hower, James C, Hower, Judith M, Kolker, Allan, O'Keefe, Jennifer MK, Olea, Ricardo A, Prakash, Anupma, Queen, Gerald, Radke, Lawrence F, Román-Colón, Yomayra, Schroeder, Paul A, Smeltzer, Charles D, Stout, Scott A, Stracher, Glenn B, ter Schure, Arnout   +20 more
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Small-scale forward smouldering experiments for remediation of coal tar in inert media [PDF]

, 2009
This paper presents a series of experiments conducted to assess the potential of smouldering combustion as a novel technology for remediation of contaminated land by water-immiscible organic compounds.
Fuentes, Andres, Gerhard, Jason I., Pironi, Paolo, Rein, Guillermo, Switzer, Christine, Torero, Jose L.   +5 more
core   +2 more sources

Monitoring Polycyclic Aromatic Hydrocarbon Concentrations in Austin, TX, After the Coal-Tar Sealant Ban [PDF]

, 2012
Polycyclic Aromatic Hydrocarbons (PAH) are a group of chemicals consisting of three or more fused benzene rings. Many of this group of compounds are considered Toxic Pollutants and listed as Priority Pollutants by the EPA.
Richter, Aaron
core   +1 more source

Comparison of Tar Samples from Reaction Zone and Outlet in Ex-Situ Underground Coal Gasification Experiment

Energies, 2021
Tar remaining in the gasification cavity during underground coal gasification (UCG) is an important pollution source, while the reported studies only focus on the tar behavior at the outlet.
Lele Feng, Maifan Dong, Yuxin Wu, Junping Gu   +3 more
doaj   +1 more source

Numerical Simulation of the Tar Mist and Dust Movement Process in a Low-Temperature Dry Distillation Furnace

Journal of Chemistry, 2020
In the low-temperature dry distillation of low-rank coal, the important liquid product of coal tar is produced, but its quality and utilization rate are degraded by entrained dust.
Qiuli Zhang, Xiangrong Hui, Long Yan, Min Luo, Wenru Feng, Jun Zhou, Xinzhe Lan   +6 more
doaj   +1 more source

An Experimental Study on the Quantitative and Qualitative Characteristics of Tar Formed during Ex Situ Coal Gasification

Energies, 2023
Over the three-day gasification test of a large coal block with oxygen in atmospheric pressure conditions, the yield and composition of the tar collected was investigated.
Marian Wiatowski
doaj   +1 more source

Sulfur analysis of Bolu-Mengen lignite before and after microbiological treatment using reductive pyrolysis and gas chromatography/mass spectrometry [PDF]

, 2005
Atmospheric pressure-temperature programmed reduction coupled with on-line mass spectrometry (AP-TPR/MS) is used for the first time on microbiologically treated coal samples as a technique to monitor the degree of desulfurization of the various sulfur ...
Bozdemir T., Brown S. D., Durusoy T., Durusoy T., Gryglewicz G., J. Yperman, Jagtoyen M., Juszczak A., Karavaiko G. I., Klein J., Maes I. I., Maes I. I., Maes I. I., Mullens S., Olson G., Olsson G., R. Carleer, Rutkowski P., S. Mullens, Selsbo S., Stefanova M., T. Bozdemir, T. Durusoy, Van Aelst J., Van Aelst J., Y. Yürüm, Yperman J., Álvarez R.   +27 more
core   +1 more source

Effects of intraparticle heat and mass transfer during devolatilization of a single coal particle [PDF]

, 1985
The objective of the present work is to elucidate the influence of intraparticle mass and heat transfer phenomena on the overall rate and product yields during devolatilization of a single coal particle in an inert atmosphere.
Beckum, F.P.H. van, Bliek, Alfred, Poelje, W.M., Swaaij, W.P.M. van   +3 more
core   +2 more sources