[1]马建锋,刘青,冯婷.羟基钙改性膨润土吸附含磷废水研究[J].常州大学学报(自然科学版),2017,(04):80-86.[doi:10.3969/j.issn.2095-0411.2017.04.013]
 MA Jianfeng,LIU Qing,FENG Ting.Adsorption of Phosphorus Containing Wastewater by Hydroxide Calcium Modified Bentonite[J].Journal of Changzhou University(Natural Science Edition),2017,(04):80-86.[doi:10.3969/j.issn.2095-0411.2017.04.013]
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羟基钙改性膨润土吸附含磷废水研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2017年04期
页码:
80-86
栏目:
环境科学与工程
出版日期:
2017-07-30

文章信息/Info

Title:
Adsorption of Phosphorus Containing Wastewater by Hydroxide Calcium Modified Bentonite
作者:
马建锋刘青冯婷
常州大学 环境与安全工程学院,江苏 常州 213164
Author(s):
MA JianfengLIU QingFENG Ting
School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
关键词:
羟基钙 改性膨润土 吸附 含磷废水
Keywords:
hydroxidecalcium modified bentonite adsorption phosphorus wastewater
分类号:
X 52
DOI:
10.3969/j.issn.2095-0411.2017.04.013
文献标志码:
A
摘要:
采用半干法制备羟基钙膨润土,通过测定阴离子容量、钙离子含量以及XRD(X射线衍射)、FTIR(傅里叶变换红外光谱)对羟基钙膨润土进行表征,通过污染物初始浓度、接触时间、溶液pH以及温度等影响因素,探究羟基钙膨润土对含磷废水的吸附处理效果。结果表明:羟基钙膨润土对含磷废水的吸附平衡时间为80 min,平衡吸附量随温度升高而增加; 一定温度条件下,吸附量随溶液初始浓度增加而增加,但随着溶液初始P浓度的增加到一定程度时,羟基钙膨润土对P的去除率反而降低; 强碱性条件有利于吸附反应的进行,实验条件下的最大吸附量为33.52 mg·g-1(pH=12.9),去除率为92.82%。
Abstract:
Hydroxyl calcium bentonite was prepared by semi-drying method, and the hydroxyl calcium bentonite was characterized by determination of anion capacity, calcium content, XRD and FTIR. Through a survey of initial concentration of pollutants, pH and temperature, the adsorption treatment of phosphorus wastewater by hydroxyl calcium bentonite was investigated. The results showed that the equilibrium time of hydroxyl calcium bentonite for phosphorus wastewater adsorption was 80 min, and the equilibrium adsorption amount increased with the increase of temperature. Under certain temperature, the adsorption capacity increases with the initial concentration of the solution, but the removal rate of P decreases with the initial P concentration increasing to a certain extent. The results have showed a growth trend in the adsorption of P with the increase of the pH. When the pH was 12.9, the removal rate reached 92.82%.

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备注/Memo

备注/Memo:
收稿日期:2016-11-30。基金项目:国家自然科学基金资助项目(21477009)。作者简介:马建锋(1976—),男,江苏南通人,博士,教授,主要从事水污染控制工程研究。
更新日期/Last Update: 2017-07-20