Bacterial Reduction Of Barium Sulphate By Sulphate-Reducing Bacteria

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Abstract

Acid mine drainage (AMD) is a worldwide problem leading to contamination of water sources. AMD are characterized by low pH and high content of heavy metals and sulphates. The barium salts application presents one of the methods for the sulphates removing from AMD. Barium chloride, barium hydroxide and barium sulphide are used for the sulphates precipitation in the form of barium sulphate. Because of high investment costs of barium salts, barium sulphide is recycled from barium sulphate precipitates. It can be recycled by thermic or bacterial reduction of barium sulphate. The aim of our study was to verify experimentally the possibility of the bacterial transformation of BaSO4 to BaS by sulphate-reducing bacteria. Applied BaSO4 came from experiments of sulphates removal from Smolnik AMD using BaCl2.

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Nova Biotechnologica et Chimica

The Journal of University of SS. Cyril and Methodius

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CiteScore 2017: 0.52

SCImago Journal Rank (SJR) 2017: 0.194
Source Normalized Impact per Paper (SNIP) 2017: 0.245


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