羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

林艳; 王劲松; 周洁; 卢恺; 李霞; 莫辉艳

doi:10.12030/j.cjee.201509078

环境工程学报

羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

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林艳, 王劲松, 周洁, 卢恺, 李霞, 莫辉艳. 羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能[J]. 环境工程学报, 2017, 11(2): 915-920. doi: 10.12030/j.cjee.201509078

引用本文:

LIN Yan, WANG Jinsong, ZHOU Jie, LU Kai, LI Xia, MO Huiyan. Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)[J]. Chinese Journal of Environmental Engineering, 2017, 11(2): 915-920. doi: 10.12030/j.cjee.201509078

Citation:

LIN Yan, WANG Jinsong, ZHOU Jie, LU Kai, LI Xia, MO Huiyan. Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)[J]. Chinese Journal of Environmental Engineering, 2017, 11(2): 915-920. doi: 10.12030/j.cjee.201509078

羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

1.
南华大学污染控制与资源化技术湖南省高校重点实验室, 衡阳 421001
2.
湖南恒凯环保科技投资有限公司, 长沙 410000
3.
广东技术师范学院天河学院建筑工程系, 广州 510655
基金项目:
国家自然科学基金资助项目（21177053）

南华大学科技创新团队项目（NHCXTD07）

Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)

1.
Key Laboratory of Pollution Control and Resource Reuse of Hunan Province, University of South China, Henyang 421001, China
2.
Hunan Heng Kai Environmental Protection Science and Technology Envestment co., LTD, Changsha 410000, China
3.
School of Construction Engineering Department, Tianhe College of Guangdong Polytechnic Normal University, Guangzhou 510655, China
Fund Project:

摘要: 合成了萃取剂羧基化杯[6]芳烃磷氧衍生物，即5，11，17，23，29，35-六羧基-37，38，39，40，41，42-六氧磷酸二乙酯杯[6]芳烃（HHPHC），并对其进行了红外表征，考察了溶液初始pH值、萃取时间、重金属离子初始浓度、萃取温度对HHPHC萃取重金属离子（Cu2+、Ni2+）的影响。结果表明，HHPHC萃取Cu2+和Ni2+的最佳温度均为30℃，最佳pH值均为5.0，且15 min基本达到萃取平衡，适宜处理低浓度重金属废水。准二级动力学模型（R2>0.94）和Freundlich等温模型（R2>0.999）均可拟合其萃取过程，Gibbs自由能（ΔG0）和焓变（ΔH0）值均小于0，表明萃取反应是一个自发的放热反应。
- 羧基化杯[6]芳烃磷氧衍生物 /
- 萃取 /
- 重金属离子
Abstract: A, 5,11,17,23,29,35-hexacarboxy-37,38,39,40,41,42-hexaoxygen-diethyl phosphate calix[6] arene (HHPHC) extractant was synthesized. IR spectroscopy was used to characterize the compounds. The effects of the pH, initial Cu2+ and Ni2+ concentrations, extraction time, and extraction temperature on the extraction of Cu2+ and Ni2+ using HHPHC were investigated. The results showed that the maximum extraction was attained under the following conditions:pH 5.0, low initial Cu2+ and Ni2+ concentrations, an extraction time of 15 min, and an extraction temperature of 30℃. The extraction of Cu(Ⅱ) and Ni(Ⅱ) onto HHPHC agreed well with the pseudo-second-order kinetic model (R2>0.94) and the Freundlich model (R2>0.999). Meanwhile, the change in enthalpy (ΔH0) was negative, indicating that the extraction reaction was exothermic.
- phosphorate derivates of carboxyl calix[6]arene(HHPHC) /
- extraction /
- heavy metal ions

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Citation:

羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

1. 南华大学污染控制与资源化技术湖南省高校重点实验室, 衡阳 421001
2. 湖南恒凯环保科技投资有限公司, 长沙 410000
3. 广东技术师范学院天河学院建筑工程系, 广州 510655

收稿日期: 2015-12-22

基金项目:

国家自然科学基金资助项目（21177053）

南华大学科技创新团队项目（NHCXTD07）

关键词:

摘要: 合成了萃取剂羧基化杯[6]芳烃磷氧衍生物，即5，11，17，23，29，35-六羧基-37，38，39，40，41，42-六氧磷酸二乙酯杯[6]芳烃（HHPHC），并对其进行了红外表征，考察了溶液初始pH值、萃取时间、重金属离子初始浓度、萃取温度对HHPHC萃取重金属离子（Cu2+、Ni2+）的影响。结果表明，HHPHC萃取Cu2+和Ni2+的最佳温度均为30℃，最佳pH值均为5.0，且15 min基本达到萃取平衡，适宜处理低浓度重金属废水。准二级动力学模型（R2>0.94）和Freundlich等温模型（R2>0.999）均可拟合其萃取过程，Gibbs自由能（ΔG0）和焓变（ΔH0）值均小于0，表明萃取反应是一个自发的放热反应。

English Abstract

Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)

1. Key Laboratory of Pollution Control and Resource Reuse of Hunan Province, University of South China, Henyang 421001, China
2. Hunan Heng Kai Environmental Protection Science and Technology Envestment co., LTD, Changsha 410000, China
3. School of Construction Engineering Department, Tianhe College of Guangdong Polytechnic Normal University, Guangzhou 510655, China

Received Date: 2015-12-22

Fund Project:

Keywords:

phosphorate derivates of carboxyl calix[6]arene(HHPHC) /
extraction /
heavy metal ions

Abstract: A, 5,11,17,23,29,35-hexacarboxy-37,38,39,40,41,42-hexaoxygen-diethyl phosphate calix[6] arene (HHPHC) extractant was synthesized. IR spectroscopy was used to characterize the compounds. The effects of the pH, initial Cu2+ and Ni2+ concentrations, extraction time, and extraction temperature on the extraction of Cu2+ and Ni2+ using HHPHC were investigated. The results showed that the maximum extraction was attained under the following conditions:pH 5.0, low initial Cu2+ and Ni2+ concentrations, an extraction time of 15 min, and an extraction temperature of 30℃. The extraction of Cu(Ⅱ) and Ni(Ⅱ) onto HHPHC agreed well with the pseudo-second-order kinetic model (R2>0.94) and the Freundlich model (R2>0.999). Meanwhile, the change in enthalpy (ΔH0) was negative, indicating that the extraction reaction was exothermic.

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羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)

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羧基化杯[6]芳烃磷氧衍生物(HHPHC)对Cu2+、Ni2+的萃取性能

English Abstract

Extraction of Cu2+ and Ni2+ with phosphorate derivates of carboxyl calix[6] arene (HHPHC)

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