2013, Volume 15, Issue 3
Strategic Study of CAE >> 2013, Volume 15, Issue 3
Pretreatment and copper recovery from chemosynthesis copper-containing berberine wastewater by Fe-C microelectrolysis and ion exchange combined process
1. Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
2. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
3. Beijing Key Lab of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
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Abstract
The wastewater treatment plant based on biological aerated filter faces the upgrading reconstruction to achieve the GB code first-level of wastewater discharge. Studies on the advanced treatment process involving chemical phosphorus removal, air-floated oil removal, hydrolysis acidification and the anoxic/oxic biological aerated filter were conducted, the feasibility of the process and the optimal parameters were determined. the feasibility of the process and the optimal parameters were determined. For pre-denitrification, the reflux ratio was 125 %, the hydraulic retention time was 20 min. The cost of construction and operation were calculated. The theoretical evidence and database can be used to the reference for the upgrading reconstruction of the similar wastewater treatment plant.
Keywords
industrial combined wastewater ; wastewater treatment plant ; biological aerated filter ; upgrading reconstruction
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