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Influence of the coke filler on the carcinogenicity of pitch–coke mixtures on carbonization

Influence of the coke filler on the carcinogenicity of pitch–coke mixtures on carbonization The emissions of benzo[a]pyrene at different temperatures and its concentration in the exhaust gases are measured in laboratory experiments on the carbonization (at temperatures up to 850°C) of coalpitch and petroleum-pitch binders and their mixtures with roasted petroleum and pitch coke. These pitch–coke mixtures are similar in composition to the anode mass used in aluminum production. The experiments confirm that the total benzo[a]pyrene emissions are much greater in the carbonization of petroleum pitch produced by cracking (T so = 100°C) than for electrode pitch (T so = 89°C) and other coal pitch. In most experiments, the benzo[a]pyrene emissions in the carbonization of pitch–coke mixtures is markedly less than for individual binder pitches. It is found that the benzo[a]pyrene emissions in the carbonization of a mixture based on pitch coke are much less than for a mixture based on petroleum coke in the high-temperature region that presents the greatest environmental hazard. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Influence of the coke filler on the carcinogenicity of pitch–coke mixtures on carbonization

Sidorov, O.; Deryugin, A.; Sidelnikov, A.
Coke and Chemistry , Volume 60 (5) – Sep 3, 2017
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References (15)

Publisher
Springer Journals
Copyright
Copyright © 2017 by Allerton Press, Inc.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/S1068364X17050064
Publisher site
See Article on Publisher Site

Abstract

The emissions of benzo[a]pyrene at different temperatures and its concentration in the exhaust gases are measured in laboratory experiments on the carbonization (at temperatures up to 850°C) of coalpitch and petroleum-pitch binders and their mixtures with roasted petroleum and pitch coke. These pitch–coke mixtures are similar in composition to the anode mass used in aluminum production. The experiments confirm that the total benzo[a]pyrene emissions are much greater in the carbonization of petroleum pitch produced by cracking (T so = 100°C) than for electrode pitch (T so = 89°C) and other coal pitch. In most experiments, the benzo[a]pyrene emissions in the carbonization of pitch–coke mixtures is markedly less than for individual binder pitches. It is found that the benzo[a]pyrene emissions in the carbonization of a mixture based on pitch coke are much less than for a mixture based on petroleum coke in the high-temperature region that presents the greatest environmental hazard.

Journal

Coke and Chemistry – Springer Journals

Published: Sep 3, 2017

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