交联羧甲基木薯淀粉吸附Ca^(2+)的研究  

Study on Adsorption of Cross-linked Carboxymethyl Cassava Starch to Ca～(2+) from Aqueous Solution

作　　者：袁怀波[1] 刘文宏[2] 樊良[1] 

机构地区：[1]合肥工业大学生物与食品工程学院,安徽合肥230009 [2]合肥工业大学化学工程学院,安徽合肥230009

出　　处：《食品科学》2009年第5期96-99,共4页Food Science

摘　　要：用环氧氯丙烷作交联剂、氯乙酸作羧甲基化试剂,合成交联羧甲基木薯淀粉。研究其降低水中的Ca2+含量的效果。结果显示,Ca2+吸附量与交联羧甲基木薯淀粉的取代度、淀粉用量、Ca2+起始浓度、反应时间、温度及pH值有关;交联羧甲基木薯淀粉可降低水中Ca2+含量。With epichlorohydrin as crosslinker and chloroacetic acid as carboxymethylation reagent, a cross-linked carboxymethyl cassava starch was synthesized and its absorption effects on Ca2+ were investigated. The results showed that the crosslinked carboxymethyl cassava starch can effectively remove Ca2+ from the aqueous solution, and the Ca2+ adsorption quantity is related to starch substitution degree, starch amount, initial Ca2+ concentration, reaction time, reaction temperature and pH value.

关 键 词：红薯淀粉 交联羧甲基 CA2+ 

分 类 号：TU991[建筑科学—市政工程]