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Updated: Jan 2, 2026
A Novel Bioreactor for High Density Cultivation of Diverse Microbial Communities
Published on: December 25, 2015
Ozonation of biologically-treated municipal solid waste leachate using an integrated process of O3/Ca(OH)2 and
Chen Cheng1, Xiaoxue Huang1, Wen Cheng1
1College of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, People's Republic of China.
Abstract:
The ozonation process was limited by the relatively low solubility in liquid and low transfer mass efficiency. In this work, O3/Ca(OH)2 was adopted to treat biologically-treated municipal solid waste (MSW) leachate in a microbubble gas-liquid reactor. The residual COD concentration is meeting the discharge standard after treatment. The effects of operating parameters such as Ca(OH)2 dosage, external reactor pressure, liquid temperature, inlet ozone concentration and ozone flow rate on COD removal and mineralization (TOC removal) were studied systematically. This process was able to remove 89.86% of COD, 65.35% of TOC and 92.12% of UV-254 under the optimal conditions. And the intensification mechanism of O3/Ca(OH)2 system was explored through analysing the change of UV-254, 3D-EEM and the organic matters present in the leachate.
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