高铁酸钾与聚合氯化铝铁对造纸综合废水的处理

郭　准

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高铁酸钾与聚合氯化铝铁对造纸综合废水的处理

Treatment of Papermaking Wastewater with Potassium Ferrate and Polyaluminium Ferric Chloride

收稿日期：

DOI：10.11980/j.issn.0254-508X.2017.09.006

关键词: 高铁酸钾聚合氯化铝铁造纸废水处理

Key Words:potassium ferrate polyaluminium ferric chloride papermaking wastewater treatmet

基金项目:

作者	单位
郭　准	西京学院应用统计与理学系，陕西西安，710123

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摘要:以初始水质pH值7.8、色度125倍、浊度950 NTU、COD_Cr 4125 mg/L、BOD₅ 2835 mg/L、硫化物35.7 mg/L的造纸综合废水为处理对象，研究了聚合氯化铝铁（PAFC）对高铁酸钾处理造纸综合废水效果的协同增效作用。结果表明，当高铁酸钾浓度为10 mg/L，PAFC浓度为25 mg/L时，造纸综合废水的色度去除率为85.4%，浊度去除率为87.8%，COD_Cr去除率为89.7%，BOD₅去除率为96.5%，硫化物去除率为92.6%；PAFC与高铁酸钾联用，在大幅降低高铁酸钾使用成本的同时，可对高铁酸钾处理效果起到良好的增效作用。

Abstract:The synergisc treatment of papermaking wastewater by using PAFC and potassium ferrate was studied, the initial quality conditions of the wastewater were as follows: pH 7.8, chroma 125, turbidity 950 NTU, COD_Cr 4125 mg/L, BOD₅ 2835 mg/L, sulphide 35.7 mg/L. The result showed that the removal rates of chroma, turbidity, COD_Cr, BOD₅, sulfide were 85.4%, 87.8%, 89.7%, 96.5%, 92.6% when the concentrations of the potassium ferrate and PAFC were 10 mg/L and 25 mg/L, respectively. The using cost of potassium ferrate could be greatly reduced and its treatment effect could be enhanced by PAFC.

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