摘要
以海藻酸钠包埋鞘细菌制备生物吸附剂,通过单因素和正交实验研究固定化后鞘细菌S9对Cr(Ⅵ)吸附条件的效果和影响,获得其最佳的吸附条件为Cr(Ⅵ)初始浓度为30mg/L,吸附温度30℃,吸附pH 8.0,吸附时间35min,在此条件下,生物吸附剂吸附Cr(Ⅵ)的吸附率和吸附量分别为78.62%和2.39mg/g,比优化前分别提高了31.42%和0.89mg/g。
The adsorption conditions of sheathed bacteriaafter immobilization on Cr(VI)of bio-adsorbent prepared withsheathed bacteriaembedded by sodium alginate were studied.And the optimum adsorption conditions for chromium ion were got by single factor and orthogonal experiments,with initial concentration Cr(VI)30mg/L,adsorption temperature30℃,the adsorption of pH8,the adsorption time35min.Under these conditions,the adsorption of Cr(VI)adsorption rateand adsorption capacity were78.62%and2.39mg/g whichincrease31.42%and0.89mg/g respectively before optimization.
作者
郑虹
邓加聪
林廉晶
崔伟斌
张雨婷
吴晓蕾
ZHENG Hong;DENG Jiacong;LIN Lianjing;CUI Weibin;ZHANG Yuting;WU Xiaolei(Fuqing Branch of Fujian Normal University, Fuqing Fujian 350300)
出处
《福建师大福清分校学报》
2017年第5期76-82,共7页
Journal of Fuqing Branch of Fujian Normal University
基金
福建省自然科学基金面上项目(2015J01132)
福建省教育厅中青年教师项目(JA15569)
关键词
鞘细菌
固定化
Cr(Ⅵ)吸附
条件优化
sheathed bacteria
immobilization
Cr(Ⅵ) adsorption
condition optimization
