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[1]金士威,赵淑荣,周威.氢氧化镁处理含磷废水[J].武汉工程大学学报,2012,(8):19-23.[doi:103969/jissn16742869201208005]
　JIN Shi wei,ZHAO Shu rong,ZHOU Wei.Purification of phosphoruscontaining wastewater with magnesium hydroxide[J].Journal of Wuhan Institute of Technology,2012,(8):19-23.[doi:103969/jissn16742869201208005]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年8期
页码:
19-23
栏目:
化学与化学工程
出版日期:
2012-09-10

文章信息/Info

Title:
Purification of phosphoruscontaining wastewater with
magnesium hydroxide
文章编号:
16742869(2012)08001905
作者:
金士威1; 2; 赵淑荣1; 周威 2
1.武汉工程大学化工与制药学院，绿色化工过程教育部重点实验室，湖北 武汉 430074；
2.马兰里大学土木与环境工程系，美国 马兰里州 20742
Author(s):
JIN Shiwei1; 2; ZHAO Shurong1;  ZHOU Wei2
1. Key Laboratory of Green Chemical Process of Ministry of Education,School of Chemical Engineering and Pharmacy,
Wuhan Institute of Technology, Wuhan 430074, China;
2. Department of Civil and Environmental Engineering, University of Maryland, College Park, MD 20742, USA
关键词:
氢氧化镁; 含磷废水; 去除率; 吸附
Keywords:
magnesium hydroxide; phosphoretted waste water; removal rate; adsorption
分类号:
TQ949
DOI:
103969/jissn16742869201208005
文献标志码:
A
摘要:
为了研究氢氧化镁对磷的吸附能力，考查了氢氧化镁用量，吸附时间，废水初始pH以及温度等因素对磷的去除率的影响，同时测定了氢氧化镁吸附磷时的吸附等温线.结果表明，氢氧化镁吸附磷符合Langmuir模型，并得出了其Langmuir吸附等温方程，属于典型的单分子层吸附；氢氧化镁处理含磷4 mg/L的废水时，氢氧化镁的最佳投入量为0.6 g/L，反应时间仅为5 min，可使得磷的去除率达到95%以上；温度对磷去除率的影响并不明显，可在室温下进行；且实验表明氢氧化镁具有较强的缓冲能力，此吸附可在较宽pH范围内进行；处理含磷废水后的氢氧化镁可循环使用.
Abstract:
The influence of dosage of magnesium hydroxide, adsorption time, initial pH value of wastewater and reaction temperature on phosphorus removal was researched,and the adsorption isotherm also was determined,in order to study the adsorption capacity of magnesium hydroxide on phosphorus . The results showed that adsorption behavior of magnesium hydroxide on the phosphorus was well fitted with the Langmuir model,the adsorption process was a typical single molecular layer adsorption.And the Langmuir adsorption isotherm equation was calculated. When the concentration of initial phosphoruscontaining wastewater was 0.004 mg/mL, the dosage of magnesium hydroxide was 0.6 g/L, the reaction time was about just 5 minutes, the phosphorus removal could reach over 95%.The reaction can be occurred at room temperature,and effect of temperature on the phosphorus removal is weak,in addition,experiments show that magnesium hydroxide has strong buffering capacity,the adsorption could occurred in a wide pH range,magnesium hydroxide could be reused after that phosphoruscontaining wastewater was purified.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20120312作者简介：金士威（1972），男，浙江东阳人，教授，博士，硕士研究生导师. 研究方向：资源综合利用.
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