好氧颗粒污泥对有机污染物的吸附机制

doi:10.13278/j.cnki.jjuese.201703207

Abstract

Abstract: In order to explore the adsorption mechanisms of aerobic granular sludge to organic pollutants, the initial adsorption of aerobic granular sludge to organic pollutants was studied using the model of dynamic adsorption. The differences of adsorption efficiency between living and non-living aerobic granular sludge were also studied using the model of static adsorption. The adsorption the rmodynamic parameters and the infrared spectrums of the aerobic granular sludge before and after adsorption were analyzed. The results indicate that the removal efficiency during the initial adsorption is obvious, and which can reach 60.19% in 30 minutes adsorbing. The adsorption of aerobic granular sludge to organic pollutants is a process of spontaneous with endothermic and entropy increasing, in which the physical adsorption plays a primary role with a supplement of biological and chemical adsorption.

Key words: aerobic granular sludge, initial adsorption, organic pollutant, adsorption mechanism

CLC Number:

P703.1

Song Zhiwei, Li Ting, Yi Hongyun, Qiu Jie, Zhang Di, Chen Danfeng. Adsorption Mechanism of Aerobic Granular Sludge to Organic Pollutants[J].Journal of Jilin University(Earth Science Edition), 2017, 47(3): 868-873.

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Adsorption Mechanism of Aerobic Granular Sludge to Organic Pollutants

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