[1]关 媛,王少莽,易 广,等.酸化凹凸棒石的制备及其对苯胺的吸附性能[J].常州大学学报(自然科学版),2017,(06):15-25.[doi:10.3969/j.issn.2095-0411.2017.06.003]
　GUAN Yuan,WANG Shaomang,YI Guang,et al.Preparation of Acidified Palygorskite and Its Adsorption Performance for Aniline[J].Journal of Changzhou University(Natural Science Edition),2017,(06):15-25.[doi:10.3969/j.issn.2095-0411.2017.06.003]
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酸化凹凸棒石的制备及其对苯胺的吸附性能()
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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06期
页码:
15-25
栏目:
化学化工
出版日期:
2017-12-10

文章信息/Info

Title:
Preparation of Acidified Palygorskite and Its Adsorption Performance for Aniline
作者:
关 媛1; 王少莽2; 易 广1; 陈 璐1; 吴鑫泉1; 陆 武2; 翁 彭2
1.常州大学 石油化工学院,江苏 常州 213164; 2. 常州大学 环境与安全工程学院,江苏 常州 213164
Author(s):
GUAN Yuan1;  WANG Shaomang2;  YI Guang1;  CHEN Lu1;  WU Xinquan1;  LU Wu2;  WENG Peng2
1. School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China; 2. School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
关键词:
凹凸棒石;  酸化改性;  吸附;  苯胺;  假二级动力学模型
Keywords:
palygorskite;  acidification;  adsorption;  aniline;  pseudo-second-order kinetic model
分类号:
O 611.4
DOI:
10.3969/j.issn.2095-0411.2017.06.003
文献标志码:
A
摘要:
以天然凹凸棒石为原料,利用不同浓度的盐酸对其进行酸活化改性。对改性后的酸化凹凸棒石进行XRD,SEM,BET,FTIR以及ZATA电位的表征,并以苯胺为模拟污染物,考察不同浓度的盐酸,以及吸附工艺条件对其吸附性能的影响。研究表明,当盐酸的活化浓度为6 mol·L-1,苯胺溶液的pH为6,苯胺初始质量浓度为50 mg·L-1,吸附剂投料量为0.5 g,温度为30 ℃,吸附时间为240 min时,酸化凹凸棒石具有较高的吸附活性,可吸附脱除75.2%以上的苯胺。此外,苯胺在酸化凹凸棒石上的吸附行为符合假二级动力学模型。
Abstract:
Natural palygorskite was acidified with different concentration of hydrochloric acid. The acidified palygorskite was characterized by XRD, SEM, BET, FTIR and ZATA potential. Under different process conditions, the adsorption performance of acidified palygorskite treated with different concentration of hydrochloric acid, was evaluated by removal of aniline in water. When the activation concentration of hydrochloric acid was 6 mol·L-1, the pH value of the aniline solution was 6, the initial mass concentration of aniline was 50 mg·L-1, the amount of adsorbent was 0.5 g, the temperature was 30 ℃, the adsorption time was 240 min, the acidified palygorskite could acquire better adsorption activity and remove more than 75.2% of aniline. In addition, the adsorption behavior of aniline over acidified palygorskite was more suitable to be described by pseudo-second-order kinetic model.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-06-10。
基金项目:中国博士后基金面上项目(2017M611784); 江苏省自然科学基金面上项目(BK20161277); 江苏省高校自然科学基金面上项目(16KJB610002)。
作者简介:关媛(1981—),女,满族,吉林辽源人,硕士,实验师,主要从事吸附-光催化功能材料的研究。通讯联系人:王少莽(1980—),E-mail: gywsm@cczu.edu.cn
更新日期/Last Update: 1900-01-01