有机膨润土的改性及其在生物废水处理中的应用

金属矿山 ›› 2008, Vol. 38 ›› Issue (07): 136-139.

有机膨润土的改性及其在生物废水处理中的应用

李志娟，庞桂林

新疆大学

收稿日期:2008-06-06 出版日期:2008-07-15 发布日期:2011-07-16
基金资助:
新疆教委自治区2004年高校科研计划重点项目（编号：2004i01），新疆大学2006年校院联合项目。

Modification of Organic Betonite and Its Application in Biological Waste Water Treatment

Li Zhijuan，Pang Guilin

Xinjiang University

Received:2008-06-06 Online:2008-07-15 Published:2011-07-16

摘要/Abstract

摘要： 以新疆乌兰陵格膨润土为原材料，添加阴-阳离子表面活性剂制得一系列阴阳离子有机膨润土。对原土和有机土进行XRD、SEM及粘度表征。XRD结果表明，改性后蒙脱石层间距由1.337 nm增加到2.538 nm；SEM结果表明，阴-阳离子表面活性剂已经插层进入蒙脱石层间。将阴-阳离子有机膨润土作为吸附剂去除生物废水中谷氨酸。当pH=5.6，阴-阳离子有机膨润土的用量为2 g/L时,谷氨酸的去除率可达到40.09%。

关键词: 阴-阳离子有机膨润土, 生物废水, 谷氨酸

Abstract: With Xinjiang Wulanlinge bentonite as the raw material，a series of anionic and cationic organic betonites were prepared by adding anionic and cationic surfactants.The raw betonite and the organic betonites were characterized by XRD，SEM and viscosity.The XRD results show that after the modification，the spacing between montomorillonite layers is increased from 1.337 nm to 2.538 nm; and the SEM results indicate that the anionic and cationic surfactants have penetrated in between montomorillonite layers.Anionic and cationic organic betonite was used as absorbent to remove glutamic acid in the biological waste water treatment.When pH = 5.6 and the dosage of anionic and cationic organic betonite is 2 g/L，the removal rate of glutamic acid can reach 40.09%.

Key words: Anionic and cationic organic betonite, Characterization, Biological wastewater, Gultamic acid

李志娟, 庞桂林. 有机膨润土的改性及其在生物废水处理中的应用[J]. 金属矿山, 2008, 38(07): 136-139.

LI Zhi-Juan, PANG Gui-Lin. Modification of Organic Betonite and Its Application in Biological Waste Water Treatment[J]. Metal Mine, 2008, 38(07): 136-139.