γ-聚谷氨酸吸附金属离子性能的研究  

Study on the Absorption of Mental Ions from Poly-γ-glutamic Acid

作　　者：邢楠楠[1] 梁金钟[1] 

机构地区：[1]哈尔滨商业大学食品工程学院,黑龙江哈尔滨150076

出　　处：《食品与发酵工业》2009年第2期61-65,共5页Food and Fermentation Industries

摘　　要：研究了γ-聚谷氨酸的阻垢性能以及对六价铬离子的吸附性。试验表明,在pH8、温度为60℃、γ-聚谷氨酸的含量为0.32 mg/mL的条件下,吸附钙离子24 h,可达到最高阻垢率77.07%;pH6、温度为60℃,γ-聚谷氨酸的量为0.04 mg/mL条件下,γ-聚谷氨酸对24μg/mL铬离子液中六价铬的吸附率可达72.50%。the performance of scale inhibition and the absorption to Cr^6＋ of Poly-y-glutamic acid （short forγ-PGA） were studied. The peak scale inhibition rate was 77.07% when γ-PGA content was 0.32 mg/ml , pH 8, 60℃ ,for 24h; The peak the adsorption rate was 72.05% when-PGA content was 0.04mg/ml and Cr^6＋ was 24/.tg/mL at pH 6, 60℃.

关 键 词：Γ-聚谷氨酸 阻垢性能 六价铬离子 

分 类 号：O647.31[理学—物理化学]