Contact-Adsorption-Regeneration-Stabilization Process for the Treatment of Municipal Wastewater
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概要
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In this work, the application of the contact-adsorption-regeneration-stabilization activated sludge process for the municipal wastewater treatment was investigated by using continuous experiments coupled with adsorption batch experiments. The process optimization for performance evaluation was studied. The obtained appropriate operational parameters of recycle ratio, hydraulic retention time (HRT) of the regeneration tank, HRT of the adsorption tank and solids retention time (SRT) of the system were 40%, 2 h, 30 min, and 6 d, respectively. Adsorptive kinetics and equilibrium were investigated with batch experiments of adsorption. The results showed that the activated sludge concentration was in a positive proportion to its adsorptive capability, but that temperature was in an inverse proportion to the adsorptive capability. Adsorptive equilibrium was reached within 15 min. In addition, the equilibrium data fitted well to both the Freundlich and Langmuir adsorption models.
- Japan Society on Water Environmentの論文
著者
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Yu Han-qing
Department Of Chemistry University Of Science & Technology Of China
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NI Bing-Jie
Department of Chemistry, University of Science & Technology of China, China.
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LIU Shao-Gen
Department of Chemistry, University of Science & Technology of China, China.
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WEl Lin
School of Resource and Environmental Engineering, Hefei University of Technology, China.
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TANG Yong
Department of Chemistry, University of Science & Technology of China, China.
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TANG Yong
Department of Chemistry, University of Science & Technology of China, China.
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LIU Shao-Gen
Department of Chemistry, University of Science & Technology of China, China.
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