微生物还原固化技术在铀尾矿(渣)渗水污染防控中的应用

Abstract

Abstract: In order to avoid the problems of acid regurgitation and continuous dissolution due to lime neutralization reaction, a bio-reduction and immobilization technology to source controlling of seepage pollution from uranium tailings is suggested, based on analysis of seepage discharge treatment of uranium tailings in China. According to the investigation on research status of properties of uranium, mechanism and influencing factors of microorganism and uranium, the feasibility of microbial technology in seepage treatment of uranium tailings is determined. The demand of the pollution control of uranium tailings is clarified with the application prospect of bio-reduction technologies and difficulty analysis on maintaining and maximizing microbial function in a given environment and optimizing the engineering program of microbial injection, which are key factors of long term stability of the technology.

Key words: uranium tailings, bio-reduction, immobilization, pollution control

CLC Number:

TL943

SUN Juan, AN Yifu, LIAN Guoxi, GAO Yang, YANG Bing. Application of bio-reduction and immobilization technology inseepage pollution control for uranium tailings[J].RADIATION PROTECTION, 2020, 40(4): 308-315.

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Application of bio-reduction and immobilization technology inseepage pollution control for uranium tailings

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