一种新型生物絮凝剂来提高水中铜离子的去除

doi:10.16039/j.cnki.cn22-1249.2021.01.016

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摘要

从吉林污水处理厂活性污泥中筛选出一株高效絮凝铜离子的菌株，通过16S rDNA扩增和菌株鉴定。鉴定其为植生乌拉尔菌(Raoultella planticola)，研究了生物絮凝剂对铜离子(0.2ppm)的絮凝条件。结果表明，絮凝效率达到80%以上。影响絮凝效率的主要因素和变量为pH、絮凝时间。在pH=5、1.62h 、氧化石墨烯Graphene Oxide（GO）助凝诱导剂13.11mg/L时，絮凝效率达到86.01%，达到最高的絮凝效率。

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关键词: 铜离子微生物鉴定絮凝效果

Abstract:

A strain of high efficiency flocculating to improve the removal of copper ions was selected from activated sludge of Jilin sewage treatment plant, and was amplified and identified by 16 S rDNA. The flocculating conditions of copper ion (0.2 ppm) by bioflocculant were studied. The results show that the flocculation efficiency is over 80%. Significant influencing factors and variables were pH, flocculation time and Graphene Oxide (GO) inducer which had major impact effects on flocculation efficiency. The highest flocculation efficiency which 86.01% achieved at pH=5, at 1.62h and 13.11mg/L GO as inducer.

Key words: copper ions microbial identification flocculation effect

出版日期: 2021-01-15 发布日期: 2021-01-15 整期出版日期: 2021-01-15

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引用本文:

徐亮, 霍铭远, 张志鹏, 曾繁城, 孙彩云, 孙大志, 张峰. 一种新型生物絮凝剂来提高水中铜离子的去除 [J]. 吉林化工学院学报, 2021, 38(1): 79-83.
XU Liang, HUO Mingyuan, ZHANG zhipeng, ZENG Fancheng, SUN Caiyun, SUN Dazhi. A Novel Bioflocculant to Improve the Removal of Copper ions in Water . Journal of Jilin Institute of Chemical Technology, 2021, 38(1): 79-83.

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https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2021.01.016 或 https://xuebao.jlict.edu.cn/CN/Y2021/V38/I1/79

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