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[1]熊祥祖,胡利峰,杜文,等.氧化铝废水除氟[J].武汉工程大学学报,2011,(08):49-51.
　XIONG Xiang zu,HU Li feng,DU Wen,et al.Research of fluoride removal of wastewater by alumina[J].Journal of Wuhan Institute of Technology,2011,(08):49-51.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年08期
页码:
49-51
栏目:
化学与化学工程
出版日期:
2011-09-30

文章信息/Info

Title:
Research of fluoride removal of wastewater by alumina
文章编号:
16742869（2011）08004903
作者:
熊祥祖; 胡利峰; 杜文; 徐彪
武汉工程大学化工与制药学院，绿色化工过程省部共建教育部重点实验室，湖北 武汉 430074
Author(s):
XIONG Xiangzu;  HU Lifeng;  DU Wen;  XU Biao
School of Chemical Engineering & Pharmacy,Wuhan Institute of Technology,
Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan 430074，China
关键词:
氧化铝; 除氟; 吸附容量
Keywords:
alumina;  fluoride removal;  adsorption capacity
分类号:
TQ110.9
DOI:
-
文献标志码:
AAdoi:10.3969/j.issn.16742869.2011.08.012
摘要:
用工厂废弃氧化铝作除氟剂对工业废水中F-的吸附性能进行了研究，分析了氧化铝的粒径、投加量、pH值、吸附时间以及废水中氟离子浓度对吸附性能的影响.研究结果表明：氧化铝对氟含量为100 mg/L以及氟含量在5～35 mg/L的原始废水处理实验中，粒径越小，吸附效果越好；pH值为4～6除氟效果最佳；最佳投加量为5‰；搅拌30 min基本达到吸附饱和；在氧化铝用量相同的情况下除氟效率与废水中氟离子浓度基本成线性正比的关系.研究中测定了不同温度下氧化铝除氟的吸附等温线，并对吸附等温线进行拟合，证明其符合Freundich等温吸附原理.结论：粒度在1.0～3.2 mm之间，搅拌时间30 min,pH为4～6，温度为20 ℃，氧化铝投入量5‰时吸附效果最佳.
Abstract:
This experiment was about the ability of waste alumina to remove fluoride that exist in industrial wastewater. The effects of the diameter and dosage of alumina, pH, adsorption time and the initial fluorine concentration on the adsorption properties were studied. The results showed that if the dosage of alumina constant, the adsorption capacity of alumina increases with smaller the diameter and higher the fluoride concentration of waste water. And the highest removal capacities were achieved at pH range 4 to 6 while the dosage of alumina was 5‰ and adsorption time was 30 min.the adsorption isotherm of alumina at different temperatures was made and they obey Freundlich Equation that had already be proved. Through this experiment we got the conclusion that the highest removal capacities were achieved while the diameter was between 1.0 to 3.2 mm and the dosage of alumina was 5‰, the pH range 4 to 6, adsorption time was 30min and temperature was 20 ℃.

参考文献/References:

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