WANG Guan-ning,SUN Ya-nan,FENG Hai-jun,et al.Example of Catalyst Production Wastewater Treatment Project[J].China Water & Wastewater,2020,36(24 24):150-154.
Example of Catalyst Production Wastewater Treatment Project
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第36卷
Number:
24 24
Page:
150-154
Column:
Date of publication:
2020-12-17
- Keywords:
- catalyst production wastewater; microbial growth inhibition; Fenton oxidation; high-efficiency biological bacteria
- Abstract:
- In view of catalysts production wastewater that are difficult to biodegrade and inhibit microbial growth due to triethylamine and etc., the traditional activated sludge process, Fenton oxidation with activated sludge process, and high-efficiency biological bacterial activated sludge process were used separately. It was showed that the traditional activated sludge method had a low removal rate and could not meet the discharge standard. While the Fenton oxidation pretreatment process and high-efficiency biological bacteria could achieve good removal results. The main treatment process was hydrolyzed acidification tank and MBR in the project, and biochemical tank was added with high-efficiency bacteria. The ratio of ordinary sludge and high-efficiency bacteria was 4 ∶1. The operation practice showed that the effluent quality met the third level criteria in the Integrated Wastewater Discharge Standard (DB 12/356-2008). The process ran steadily. Compared with Fenton oxidation combined with traditional activated sludge method, the process could greatly simplify the process route, save land occupation, produce less sludge and had low operating cost.
Last Update:
2020-12-17