The sources of carcinogenic PAH emission in aluminium production using Soderberg cells

The sources of carcinogenic PAH emission in aluminium production using Soderberg cells Научная публикация

Журнал

ADVANCES IN THE GEOLOGICAL STORAGE OF CARBON DIOXIDE: INTERNATIONAL APPROACHES TO REDUCE ANTHROPOGENIC GREENHOUSE GAS EMISSIONS
ISSN: 1568-1238

Вых. Данные

Год: 2006, Том: 65, Страницы: 57-+ Страниц :

Ключевые слова

aluminium production; anode pastes; carbonisation; carcinogenic; PAHs; coal-tar pitches; Soderberg cell

Авторы

Kurteeva LI , Morozov SV , Anshits AG

Организации

1	(Данные Web of science) RAS, SB, Inst Chem & Chem Technol, K Marx Str 42, Krasnoyarsk 660049, Russia
2	(Данные Web of science) RAS, NN Vorozhtsov Novosibirsk Inst Organ Chem, SB, Novosibirsk 630090, Russia

Specific yields were determined for tars, benzo(a)pyrene, diberzo(ah)anthracene and benzo(ghi)perylene from the main PAH sources in aluminium production using Soderberg cells with anode pastes based on medium- (MP) and high- (HP) softening-point pitches. It was evaluated that the most significant source of carcinogens from the Soderberg cell is the open hole during the process stage of repositioning the current-carrying studs. This phase of the work contributes about 60-70% of the total carcinogenic PAH emissions to the atmosphere. It is shown that a replacement of MP with HP results in a decrease of the specific tar yields from all sources, but it does not reduce the specific yield of the carcinogenic PAHs and therefore the carcinogenic danger of this technology.

Kurteeva L. , Morozov S. , Anshits A.
The sources of carcinogenic PAH emission in aluminium production using Soderberg cells
ADVANCES IN THE GEOLOGICAL STORAGE OF CARBON DIOXIDE: INTERNATIONAL APPROACHES TO REDUCE ANTHROPOGENIC GREENHOUSE GAS EMISSIONS. 2006. V.65. P.57-+. WOS

Web of science:

WOS:000236350000006

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