Автор |
White, Carleton S. |
Автор |
Markwiese, James T. |
Дата выпуска |
1994 |
dc.description |
AbstractThe potential for in situ bioremediation of cyanide (CN) and nitrate (NO<sub>3</sub>) contamination within the extracted ore (residue pile) and downgradient groundwater at a CN heap leach mine in New Mexico was assessed through the following steps: (1) identification of the relative abundance of CN‐degrading microorganisms in the contaminated residue pile, (2) identification of amendments to enhance aerobic CN degradation and assimilatory NO<sub>3 </sub>reduction and determination of the optimal carbon‐to‐nitrogen concentration for degradation, (3) assessment of optimum amendment's influence on biodégradation of CN and NO<sub>3</sub> by experiments with large‐scale columns filled with residue pile material, and (4) evaluation of the potential for other adverse environmental effects, specifically acid rock drainage, due to application of the amendment. These investigations determined that application of a reduced carbon source (sucrose) significantly increased the rate of CN degradation and NO<sub>3</sub> immobilization without increasing the probability of acid rock drainage. |
Формат |
application.pdf |
Издатель |
Taylor & Francis Group |
Копирайт |
Copyright Taylor and Francis Group, LLC |
Тема |
cyanide |
Тема |
nitrate |
Тема |
remediation |
Тема |
glucose amendment |
Тема |
available carbon |
Тема |
C/N ratio |
Тема |
ground water |
Тема |
gold mine. |
Название |
Assessment of the potential for in situ bioremediation of cyanide and nitrate contamination at a heap leach mine in central new Mexico |
Тип |
research-article |
DOI |
10.1080/15320389409383469 |
Print ISSN |
1058-8337 |
Журнал |
Journal of Soil Contamination |
Том |
3 |
Первая страница |
271 |
Последняя страница |
283 |
Аффилиация |
White, Carleton S.; Department of Biology, University of New Mexico |
Аффилиация |
Markwiese, James T.; Department of Biology, University of New Mexico |
Выпуск |
3 |
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