Huan jing ke xue= Huanjing kexue · 2010
[Application of GFH in the municipal effluent reuse for landscape].
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Li Na, Yang Jian, Zhao Xuan, Cheng Xu-Zhou, Chang Jiang, Gan Yi-Ping
Аннотация
In order to prevent increased algae growth for the reuse of reclaimed water as landscape water, the removal mechanism of phosphate, DOM and nitrogen by adsorption onto GFH was studied. The result showed that the removal rate of phosphate was the highest, when the influent concentration of TP was 0.059-0.725 mg/L, and the concentration of PO4(3-) -P was 0.004-0.684 mg/L, the effluent concentration of TP was less than 0.05 mg/L(removal rate was 91.1%), and of PO4(3-) -P was less than 0.023 mg/L(removal rate was 95.4%) by adsorption onto GFH. GFH could remove macromolecular DOM (mainly fulvic acids) preferentially, and removal rate of DOM was 28.5%, but which would improve the aromaticity proportion of DOM. Because of the strong oxidizing property of GFH and O3, NH4(+) -N and NO2(-) -N occurred nitrification in reclaimed water, the average removal rates of NH4(+) -N and NO2(-) -N were 37.3% and 59% respectively.