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| Research status of COD removal technology in beneficiation wastewater |
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Received:June 01, 2020
Revised:June 09, 2020
Accepted:June 10, 2020
Published Online:May 13, 2021
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| DOI： |
| KeyWord:beneficiation; wastewater; COD; removal technology |
| Author | Institution |
| LIU Chen-ming |
Key Laboratory of Green Process and Engineering,Department of Environmental Technology and Engineering Research,Institute of Process Engineering,Chinese Academy of Sciences |
| TAO Li |
Beijing Cycle Columbus Environmental Science Technology Co,Ltd Beijing |
| ZHAO Pei-pei |
Beijing Cycle Columbus Environmental Science Technology Co,Ltd Beijing |
| LI Zhi-qiang |
Beijing Cycle Columbus Environmental Science Technology Co,Ltd Beijing |
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| Abstract: |
| With the rapid development of mineral industry in China, the pollution problem of beneficiation wastewater is increasingly serious, especially the chemical oxygen demand (COD). The use and residue of flotation agents in the process of mineral processing are the main reasons for the excessive COD content in the mineral processing wastewater. High content of COD in waste water causes serious harm to ecological environment and human health. Therefore, it is of great practical and economic significance to research and develop COD removal technology in mineral processing wastewater. In this study, the status of COD removal technology in beneficiation wastewater was summarized and analyzed (the treatment technology mainly included coagulation precipitation method, adsorption method, microbial degradation method, oxidation method and so on), providing theoretical support for its future research and having a strong reference significance. |
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