有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力

俞向东; 周跃菊; 杨盛春

doi:10.12030/j.cjee.201609146

环境工程学报

有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力

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俞向东, 周跃菊, 杨盛春. 有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力[J]. 环境工程学报, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

引用本文:

俞向东, 周跃菊, 杨盛春. 有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力[J]. 环境工程学报, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

YU Xiangdong, ZHOU Yueju, YANG Shengchun. Preparation and adsorption capacity of oxytetracycline hydrochloride by nano titania loaded organic bentonite[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

Citation:

YU Xiangdong, ZHOU Yueju, YANG Shengchun. Preparation and adsorption capacity of oxytetracycline hydrochloride by nano titania loaded organic bentonite[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力

1.
大理市环境保护局, 大理 671000
2.
大理大学药学与化学学院, 大理 671000
基金项目:
云南省教育厅科学研究基金项目（2014Y399）
中图分类号: X783.3

Preparation and adsorption capacity of oxytetracycline hydrochloride by nano titania loaded organic bentonite

1.
Dali Municipal Environmental Protection Bureau, Dali 671000, China
2.
College of Pharmacy and Chemistry, Dali University, Dali 671000, China
Fund Project:

摘要: 以钛酸丁酯和有机膨润土为原料，采用溶胶凝胶法制备了有机膨润土负载纳米TiO2吸附剂。通过XRD、BET、SEM等方法对吸附剂进行表征。结果表明，纳米TiO2已负载在有机膨润土上，有机膨润土负载纳米TiO2材料的层间距发生了明显变化，且其比表面积增加。同时对影响吸附盐酸土霉素的因素进行了考察，吸附剂最佳制备条件为煅烧温度300℃，煅烧时间4 h，TiO2含量80%，在pH=6，盐酸土霉素溶液浓度为25 mg·L-1，吸附时间为5 h时，对盐酸土霉素的吸附率可达97.3%。
- 有机膨润土 /
- 纳米TiO2 /
- 吸附 /
- 盐酸土霉素
Abstract: An novel nano titania loaded bentonite organic absorbent based on butyl titanate and organic bentonite was prepared by sol-gel method. The properties of absorbent were characterized by various experimental techniques, such as X-ray diffraction (XRD), BET, scanning electron microscope (SEM). The results showed that nano titania was laoded on the organic bentonite, the basal spacing and specific surface area of absorbent were increased significantly. The influences of preparation and adsorption conditions on the adsorption performance were also studied. The results indicated the optimum reaction condition was as follows:pH 6, the calcination temperature 300℃, the calcination time 4 hours, and the nanometer titania content 80%.Under the conditions of pH of 6,adsorption time of 5 h, initial concentration of oxytetracycline hydrochloride of 25 mg·L-1,the adsorption capacity could reach 97.3%.
- organic bentonite /
- nano titania /
- adsorption /
- oxytetracycline hydrochloride

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俞向东, 周跃菊, 杨盛春. 有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力[J]. 环境工程学报, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

引用本文:

俞向东, 周跃菊, 杨盛春. 有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力[J]. 环境工程学报, 2017, 11(9): 5035-5040. doi: 10.12030/j.cjee.201609146

Citation:

有机膨润土负载纳米TiO2的制备及其对盐酸土霉素的吸附能力

1. 大理市环境保护局, 大理 671000
2. 大理大学药学与化学学院, 大理 671000

收稿日期: 2017-01-17

基金项目:

云南省教育厅科学研究基金项目（2014Y399）

关键词:

摘要: 以钛酸丁酯和有机膨润土为原料，采用溶胶凝胶法制备了有机膨润土负载纳米TiO2吸附剂。通过XRD、BET、SEM等方法对吸附剂进行表征。结果表明，纳米TiO2已负载在有机膨润土上，有机膨润土负载纳米TiO2材料的层间距发生了明显变化，且其比表面积增加。同时对影响吸附盐酸土霉素的因素进行了考察，吸附剂最佳制备条件为煅烧温度300℃，煅烧时间4 h，TiO2含量80%，在pH=6，盐酸土霉素溶液浓度为25 mg·L-1，吸附时间为5 h时，对盐酸土霉素的吸附率可达97.3%。

English Abstract

Preparation and adsorption capacity of oxytetracycline hydrochloride by nano titania loaded organic bentonite

1. Dali Municipal Environmental Protection Bureau, Dali 671000, China
2. College of Pharmacy and Chemistry, Dali University, Dali 671000, China

Received Date: 2017-01-17

Fund Project:

Keywords:

Abstract: An novel nano titania loaded bentonite organic absorbent based on butyl titanate and organic bentonite was prepared by sol-gel method. The properties of absorbent were characterized by various experimental techniques, such as X-ray diffraction (XRD), BET, scanning electron microscope (SEM). The results showed that nano titania was laoded on the organic bentonite, the basal spacing and specific surface area of absorbent were increased significantly. The influences of preparation and adsorption conditions on the adsorption performance were also studied. The results indicated the optimum reaction condition was as follows:pH 6, the calcination temperature 300℃, the calcination time 4 hours, and the nanometer titania content 80%.Under the conditions of pH of 6,adsorption time of 5 h, initial concentration of oxytetracycline hydrochloride of 25 mg·L-1,the adsorption capacity could reach 97.3%.