"Bioshrouding"-a novel approach for securing reactive mineral tailings.

"Bioshrouding"-a novel approach for securing reactive mineral tailings. Research Abstract Details 

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"Bioshrouding"-a novel approach for securing reactive mineral tailings. Abstract Text:

D Barrie Johnson,Liu Yajie,Naoko Okibe,D Barrie Johnson,Liu Yajie,Naoko Okibe,

A novel technique ("bioshrouding") for safeguarding highly reactive sulfidic mineral tailings deposits is proposed. In this, freshly milled wastes are colonised with ferric iron-reducing heterotrophic acidophilic bacteria that form biofilms on reactive mineral surfaces, thereby preventing or minimising colonisation by iron sulfide-oxidising chemolithotrophs such as Acidithiobacillus ferrooxidans and Leptospirillum spp. Data from initial experiments showed that dissolution of pyrite could be reduced by between 57 and 75% by "bioshrouding" the mineral with three different species of heterotrophic acidophiles (Acidiphilium, Acidocella and Acidobacterium spp.), under conditions that were conducive to microbial oxidative dissolution of the iron sulfide.

"Bioshrouding"-a novel approach for securing reactive mineral tailings. Publishing Authors By Initials

DB Johnson,L Yajie,N Okibe,DB Johnson,L Yajie,N Okibe,

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"Bioshrouding"-a novel approach for securing reactive mineral tailings. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Biotechnology letters

VOLUME: 30

Page Numbers: 445-9

Journal Abbreviation: Biotechnol. Lett.

ISSN: 0141-5492

DAY: 31

MONTH: 10

YEAR: 2007

"Bioshrouding"-a novel approach for securing reactive mineral tailings. Information

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LANGUAGE: eng

NlmUniqueID: 8008051

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AFFILIATION: School of Biological Sciences, University of Wales, Bangor, LL57 4UF, UK, d.b.johnson@bangor.ac.uk.

Country: Netherlands

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MEDLINETA: Biotechnol Lett

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