不同部位的蟹壳对Pb^(2+)和Cd^(2+)去除的比较研究  

Comparative Study on the Removal of Pb^(2+) and Cd^(2+) in Different Parts of the Crab Shell

作　　者：邱瑾[1] 邱澄宇[2] 

机构地区：[1]三明学院化学与生物工程系,福建三明365000 [2]集美大学生物工程学院,福建厦门361021

出　　处：《集美大学学报（自然科学版）》2010年第6期428-432,共5页Journal of Jimei University：Natural Science

摘　　要：研究了梭子蟹(Portunus trituberculatus)蟹背壳与其他部位的蟹壳对水溶液中的Pb2+、Cd2+去除作用的差异,以及加入量、处理时间对其去除作用的影响.结果表明:蟹背壳对Pb2+的极限去除率可达89%,其他部位蟹壳则为74%;两种蟹壳对Cd2+的极限去除率均可达97%;在加入质量分数为0.02%、平衡10 min的条件下,蟹背壳对Cd2+的去除率约为63%,其他部位蟹壳则为90%.可见,不同部位的蟹壳在去除水溶液中的Pb2+、Cd2+特性方面存在明显差异.The adsorption differences of heavy metal ions（Pb2＋,Cd2＋） in aqueous solution on Portunus trituberculatus back-shell and other parts of the crab shell were studied,and the adsorption effects of the adding amount and the processing time were also studied.The results showed that for crab back-shell,the maximum removal rate of Pb2＋ could reach 89 %,compared with 74 % of the other parts of the crab shell;for two kinds of crab shell,Cd2＋ removal could reach 97 %.Prior to joining the amount 0.02 % under the conditions of equilibrium 10 min,the Cd2＋ removal rate of the crab back-shell was about 63 %,other parts of the crab shells were 90 %.It was shown that different parts of the crab shell had obvious differences in the removal of aqueous Pb2＋,Cd2＋ characteristic aspects.

关 键 词：蟹壳 PB2+ Cd2+ 去除 

分 类 号：S986.3[农业科学—捕捞与储运] X792[农业科学—水产科学]