3-氨基丙基三乙氧基硅烷制备有机-无机复合絮凝剂  

Preparation of organic-inorganic compound flocculant by 3-aminopropyl triethoxysilane

作　　者：姚彬[1,2] 张文存 朱瑞龙[1,2] 张玉荣 YAO Bin;ZHANG Wen-cun;ZHU Rui -long;ZHANG Yu -rong(Shaanxi Research Design Institute of Petroleum and Chemical Industry,Xi'an 710054,China;Shaanxi Industrial Water Treatment Engineering Technology Research Center,Xi'an 710054,China)

机构地区：[1]陕西省石油化工研究设计院,陕西西安710054 [2]陕西省工业水处理工程技术研究中心,陕西西安710054

出　　处：《石化技术与应用》2019年第1期18-21,共4页Petrochemical Technology & Application

基　　金：陕西省重点科技创新团队资助项目(项目编号:2015 KCT-22);延长石油集团科技计划资助项目(项目编号:YCSY 2017 JCYJ-A-04)

摘　　要：以3-氨基丙基三乙氧基硅烷和氯化铝为原料,采用微量滴碱法合成出有机-无机复合高分子絮凝剂,利用正交试验设计优化了合成条件,对最佳条件下合成的絮凝剂与聚合氯化铝进行了对比。结果表明:在碱液滴加时间为3. 5 h、氢氧化钠碱化度(B值)为2. 0、原料Si/Al(摩尔比)为0. 3的条件下,合成出的絮凝剂中Alb含量最高,其总铝浓度为0. 25 mol/L;该絮凝剂的除浊和脱色性能均优于传统絮凝剂聚合氯化铝。A new organic -inorganic composite polymer flocculant was synthesized with 3-amino propyl triethoxy silane and aluminum chloride as raw materials by micro drop alkali method,the synthesis conditions were optimized by the orthogonal test, and the flocculants were compared with polyaluminum chloride under the optimum conditions.The resuits showed that under the conditions of addition time of alkali solution 3.5h,alkalisation degree of sodium hydroxide (B value)2.0 and n(Si)/n(Al) 0.3,the content of Alb was the highest and the total aluminum concentration was 0.25 mol/L in the synthesized flocculant,the turbidity and decolorization of the flocculant were superior to those of conventional flocculant polyaluminum chloride.

关 键 词：絮凝剂 复合型 有机 无机 硅烷偶联剂 聚合氯化铝 

分 类 号：TQ314[化学工程—高聚物工业] TQ253