Page 174 - 《精细化工》2021年第6期

第 38 卷第 6 期 精 细 化 工 Vol.38, No.6
202 1 年 6 月 FINE CHEMICALS June 2021

水处理技术与环境保护
高效可再生 SiO /P(SMA-co-MMA-co-BA)
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树脂的制备及氯代烃吸附性能

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李 凤 ，邱海燕 ，兰贵红 ，张英婷 ，张 名 ，徐倩霞
（1. 西南石油大学 化学化工学院，四川 成都 610500；2. 国家电力投资公司，中国石油化工集团公司
远达环保工程有限公司重庆电力分公司，重庆 400000；3. 四川大学 建筑与环境学院，四川 成都
610065；4. 四川省生态环境科学研究院，四川 成都 610042）
摘要：采用悬浮聚合法制备了一种二氧化硅/聚(甲基丙烯酸十八烷基酯-co-甲基丙烯酸甲酯-co-丙烯酸丁酯)
〔SiO 2 /P(SMA-co-MMA-co-BA)〕树脂，用于水体中氯代烃的吸附去除。通过单因素实验研究了未改性 SiO 2 粒
径和改性 SiO 2 用量对树脂吸附性能的影响，并利用 FTIR、界面参数、SEM 和 BET 等对材料的结构进行表征。
结果表明：树脂对氯代烃的吸附选择性强，且当负载的未改性 SiO 2 粒径为 50 nm、改性 SiO 2 用量为丙烯酸酯单
体总质量的 1.5%，吸附时间为 9 h 时，改性树脂对 CH 2 Cl 2 、CHCl 3 、CCl 4 和 C 2 Cl 4 的饱和吸附倍率分别可以达
到 49.10、56.41、46.50 和 43.45 g/g，与未添加改性 SiO 2 的树脂相比吸附能力分别提高了 62.91%、49.23%、42.86%
和 54.08%；经过 9 次吸脱附循环后，改性树脂对 CHCl 3 的吸附倍率仍有 50.30 g/g，与未经 SiO 2 改性的树脂相
比其再生性能提高了 23.83%。
关键词：悬浮聚合法；丙烯酸酯；二氧化硅；氯代烃；吸附再生；水处理技术
中图分类号：TQ325.7 文献标识码：A 文章编号：1003-5214 (2021) 06-1236-07

Synthesis and chlorinated hydrocarbon adsorption properties of
efficient and renewable SiO 2/P(SMA-co-MMA-co-BA) resin

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LI Feng , QIU Haiyan , LAN Guihong , ZHANG Yingting , ZHANG Ming , XU Qianxia
（1. College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, Sichuan,
China; 2. State Power Investment Corporation, Chongqing Power Branch of SPIC Yuanda Environmental Protection
Engineering, Chongqing 400000, China; 3. College of Architecture & Environment, Sichuan University, Chengdu
610065, Sichuan, China; 4. Sichuan Academy of Eco-Environmental Sciences, Chengdu 610042, Sichuan, China）
Abstract: A silica/poly (octadecyl methacrylate-co-methyl methacrylate-co-butyl acrylate) [SiO 2/P(SMA-
co-MMA-co-BA)] resin was synthesized by suspension polymerization method for the adsorption and
removal of chlorinated hydrocarbons in wastewater. The effects of particle size of unmodified SiO 2 and
modified SiO 2 dosage on the adsorption performances of the resin were investigated by single factor
experiment. The structure and surface morphology of the material were characterized by FTIR, interface
parameters, SEM and BET. The results showed that the resin had strong adsorption selectivity for
chlorinated hydrocarbon. When the particle size of unmodified SiO 2 was 50 nm, the dosage of modified
SiO 2 was 1.5% of the total mass of acrylate monomer and adsorption time was 9 h, the saturated adsorption
capacities of modified resin for CH 2Cl 2, CHCl 3, CCl 4 and C 2Cl 4 could achieved 49.10, 56.41, 46.50 and
43.45 g/g, which were increased 62.91%, 49.23%, 42.86% and 54.08% compared with those of the
unmodified resin. After 9 cycles of adsorption and desorption, the adsorption capacity of the modified resin
for CHCl 3 was still 50.30 g/g, and the regeneration capacity of the modified resin was 23.83% higher than
that of the unmodified resin.
Key words: suspension polymerization method; acrylic ester; silica; chlorinated hydrocarbon; adsorption
regeneration; water treatment technology

收稿日期：2021-01-19; 定用日期：2021-03-11; DOI: 10.13550/j.jxhg.20210081
基金项目：四川省科技厅示范工程项目（2018SZ0313）
作者简介： 李 凤（1995—），女，硕士生，E-mail：1522633279@qq.com。联系人：邱海燕（1976—），女，副教授，E-mail：boxu316@sina.com。