Journal
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Volume 47, Issue 21, Pages 2079-2099Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10643389.2017.1394154
Keywords
Biological sulfide removal; characteristics; elemental sulfur; generation; recovery
Categories
Funding
- Zhejiang Provincial Natural Science Foundation of China under the Scientific Research Fund of Zhejiang Provincial Education Department [LY18E080007, Y201635678]
- Key Laboratory for water pollution control and Environmental Safety of Zhejiang Province [2015ZJSHKF06]
- Major science and technology special project by Science Technology Department of Zhejiang province [2015C02037]
- Zhejiang provincial finance special project [S1701]
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Sulfide is highly toxic, corrosive, malodorous and may cause many other hazards; therefore, it is necessary to take effective measures to control its emission to the environment. Many physicochemical processes have been devised to separate sulfur from wastewaters. Compared with those traditional methods, biological sulfide removal processes not only have high removal rates, but also generate elemental sulfur, thus recovering mineral resources from wastes. In the paper, the generation methods of elemental sulfur in biological sulfide removal process are reviewed and the characteristics of biologically produced sulfur are described, accordingly the recovery methods of elemental sulfur from wastewater are discussed.
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