化工厂剩余污泥作生物吸附剂对水溶液中活性红4的吸附  

Study on the Sorption of Reactive Red 4 in Aqueous Solution by Chemical Plant Sludge

作　　者：吴桂萍[1] 刘朝飞[1] 许佳[1] 杨有清[1] 

机构地区：[1]中南民族大学催化材料科学湖北省暨国家民委-教育部共建重点实验室,武汉430074

出　　处：《中南民族大学学报（自然科学版）》2007年第2期25-28,共4页Journal of South-Central University for Nationalities：Natural Science Edition

基　　金：中南民族大学引进人才启动基金(YZZ05019)

摘　　要：以化工厂污水处理车间的剩余污泥作为材料,制备生物吸附剂,并对其吸附活性红4进行了的研究.考察了溶液pH、吸附平衡时间、染料浓度、盐的浓度等因素对活性红4吸附的影响.生物吸附剂对活性红4的吸附随着pH的降低而增大,达到吸附平衡所需要时间为60 min,吸附等温曲线更好符合Langmuir模式,pH=1条件下最大吸附量为(31.13±1.824)mg/g,盐的存在对活性红4吸附有一定的阻碍作用.The Chemical plant sludge biomass was used as a new type of biosorbent for the removal of anionic dye Reactive Red 4 in aqueous solution.The various experimental parameters including pH,contact time,salt concentration etc.,were investigated.The results show that the adsorption reached equilibrium after 60 min.The dye uptakes increase with decreasing of solution pH.The isothermal data of biosorption followed the Langmuir model well,and the maximum sorption capacity of the biosorbent was as high as((31.13 ±1....

关 键 词：生物吸附剂 活性红4 剩余污泥 

分 类 号：X703[环境科学与工程—环境工程]