离子交换树脂吸附黄连素废水中铜离子的研究

崔晓宇; 何绪文; 单永平; 曾萍; 刘瑞霞; 孙晨

doi:10.3969/j.issn.1674-991X.2017.02.027

离子交换树脂吸附黄连素废水中铜离子的研究

doi: 10.3969/j.issn.1674-991X.2017.02.027

崔晓宇^1,2,3,
何绪文^1,*, ,,
单永平⁴,
曾萍^2,3,*, ,,
刘瑞霞^2,3,
孙晨^2,3

1.
中国矿业大学(北京)化学与环境工程学院,北京 100083
2.
环境基准与风险评估国家重点实验室,中国环境科学研究院,北京 100012
3.
中国环境科学研究院城市水环境科技创新基地,北京 100012
4.
德国亥姆霍兹环境研究中心环境微生物学院,莱比锡 04318

详细信息

作者简介:
崔晓宇(1984—),男,高级工程师,硕士,主要研究水污染控制技术, cuixy@craes.org.cn

通讯作者:
何绪文 E-mail: hjinghua@vip.sina.com

曾萍 E-mail: zengping@craes.org.cn

中图分类号: X703
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出版历程
- 收稿日期: 2016-08-09
- 刊出日期: 2017-03-20

Study on copper removal from berberine wastewater using ion exchange resin

CUI Xiaoyu^1,2,3,
HE Xuwen^{1,*
, ,},
SHAN Yongping⁴,
ZENG Ping^{2,3,*
, ,},
LIU Ruixia^2,3,
SUN Chen^2,3

1.
School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China
2.
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
3.
Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
4.
Department of Environmental Microbiology, Helmholtz Centre for Environmental Research-UFZ, Leipzig 04318, Germany

More Information

Corresponding author: HE Xuwen E-mail: hjinghua@vip.sina.com; ZENG Ping E-mail: zengping@craes.org.cn

摘要

摘要: 以Cu ²⁺-黄连素混合体系的含铜制药废水为研究对象,考察3种离子交换树脂(D152、D113和D401)对含铜废水中Cu ²⁺和黄连素的吸附性能并对树脂进行了筛选,对D401树脂进行了吸附动力学和吸附热力学拟合分析,同时考察该树脂在黄连素竞争吸附影响下对Cu ²⁺的去除效果。最后,在静态试验基础上开展了动态试验,考察D401树脂柱在3种流速〔1、2和5 BV(柱体积)/h〕下,进样量为1~20 BV时出水的Cu ²⁺和黄连素浓度。结果表明:D401树脂的比吸附量随温度升高而增加,随树脂投加量的增加而降低;该树脂在较宽的pH范围内对Cu ²⁺具有很好的选择吸附性,pH为5.0是最佳吸附条件,此时比吸附量可达39.87 mg/g。吸附过程可以通过Langmuir吸附等温线和伪二级动力学模型进行描述。动态试验中,树脂柱在1 BV/h的流速下,对Cu ²⁺有较好的去除效果;在3种流速条件下,对黄连素的吸附率均较低,进一步验证了该型树脂对Cu ²⁺具有很好的选择吸附性。
- 树脂 /
- 铜离子 /
- 吸附 /
- 热力学 /
- 动力学 /
- 黄连素废水
Abstract: Ion exchange resins (D152, D113, D401) were applied to the treatment of pharmaceutical wastewater containing copper ions and berberine. The D401 was selected as optimal polymeric adsorbent based on the comparison of copper and berberine adsorption removal rates. In addition, the adsorption kinetics and thermodynamics were analyzed, and the Cu ²⁺ removal efficiency of competitive adsorption process within berberine-copper system was investigated. Flowing experiments were carried out at 1 BV/h, 2 BV/h and 5 BV/h flow velocity to investigate the effluent copper and berberine concentrations under the dosage of 1-20 BV. The results showed that adsorption ratio of D401 resin increased with temperature rising and declined with increasing resin dosage. The resin exhibited distinct selectivity of Cu ²⁺ from berberine-copper system in a broad pH range. The best adsorption condition achieved 39.87 mg/g at pH of 5.0. The adsorption process could be described by Langmuir model and pseudo-second-order kinetic model. Flowing experiments showed that the 1 BV/h was the best condition. The removal of Cu ²⁺ obtained better results under this flow velocity and the adsorption of berberine was not obviously at three flow velocities. The result verified that the D401 resin has a good selectivity for Cu ²⁺ adsorption.
- resin /
- copper(Ⅱ) /
- adsorption /
- thermodynamics /
- kinetics /
- berberine wastewater

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