|本期目录/Table of Contents|

[1]黄依佳,吴剑荣,朱莉,等.太湖蓝藻多糖应用于重金属离子吸附[J].生物加工过程,2019,17(02):214-219.[doi:10.3969/j.issn.1672-3678.2019.02.016]
 HUANG Yijia,WU Jianrong,ZHU Li,et al.Adsorption of heavy metal by polysaccharide of Cyanobacteria from Taihu Lake[J].Chinese Journal of Bioprocess Engineering,2019,17(02):214-219.[doi:10.3969/j.issn.1672-3678.2019.02.016]
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太湖蓝藻多糖应用于重金属离子吸附()
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《生物加工过程》[ISSN:1672-3678/CN:32-1706/Q]

卷:
17
期数:
2019年02期
页码:
214-219
栏目:
出版日期:
2019-03-30

文章信息/Info

Title:
Adsorption of heavy metal by polysaccharide of Cyanobacteria from Taihu Lake
文章编号:
1672-3678(2019)02-0214-06
作者:
黄依佳吴剑荣朱莉詹晓北
江南大学 生物工程学院 糖化学与生物技术教育部重点实验室,江苏 无锡 214122
Author(s):
HUANG YijiaWU JianrongZHU LiZHAN Xiaobei
Key Laboratory of Carbohydrate Chemistry and Biotechnology of the Ministry of Education, School of Biotechnology,Jiangnan University,Wuxi 214122,China
关键词:
蓝藻 多糖 重金属吸附 平衡吸附量
分类号:
TQ424.3;O647.32;X24
DOI:
10.3969/j.issn.1672-3678.2019.02.016
文献标志码:
A
摘要:
对太湖蓝藻多糖进行提取,并利用这种多糖对重金属离子进行吸附试验。在蓝藻多糖提取中,采用超声波辅助热水浸提的方法并对浸提时间、浸提温度和料液比条件进行优化,同时考察多糖投加量、吸附时间、pH和温度条件对多糖吸附Pb2+和Cd2+离子的影响。结果表明:在液料比40:1 mL/g、浸提温度80 ℃条件下提取5 h多糖得率达到25.1%。在重金属离子吸附研究中发现,当1 000 mL溶液中多糖投加量为100 mg,吸附时间为3 h,pH为7.0,处理温度为25 ℃时,吸附效果最好,铅、镉的平衡吸附量分别可达到73.81 mg/g和49.69 mg/g,并且Langmuir模型比Freundlich模型更适用于描述蓝藻多糖对Pb2+和Cd2+的吸附平衡。研究表明,太湖蓝藻可作为提取具有污水重金属吸附作用的多糖的来源,从而提高太湖蓝藻的应用潜力和价值。

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备注/Memo

备注/Memo:
收稿日期:2018-01-10修回日期:2018-12-18
基金项目:水体污染控制与治理科技重大专项(2017ZX07203-001)
作者简介:黄依佳(1992—),女,江西萍乡人,硕士研究生,研究方向:天然活性产物的提取和活性; 吴剑荣(联系人),副教授,E-mail:kinowu@jiangnan.edu.cn
引文格式:黄依佳,吴剑荣,朱莉,等.太湖蓝藻多糖应用于重金属离子吸附[J].生物加工过程,2019,17(2):214-219.
HUANG Yijia,WU Jianrong,ZHU Li,et al.Adsorption of heavy metal by polysaccharide of Cyanobacteria from Taihu Lake[J].Chin J Bioprocess Eng,2019,17(2):214-219..
更新日期/Last Update: 2019-03-30