Competitive Adsorption of Tannic Acid and Phenol onto a Bi-functional Polymeric Adsorbent

Acta Chimica Sinica ›› 2010, Vol. 68 ›› Issue (05): 437-442. Previous Articles Next Articles

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单宁酸与苯酚在复合功能树脂上的竞争吸附研究

陆朝阳¹^{,2，姜笔存¹，李爱民*^{,1,2，王旭¹，马依菲¹，沈晓鹏¹}}

(¹南京大学环境学院污染控制与资源化研究国家重点实验室南京 210093)
(²江苏南大戈德环保科技有限公司国家环境保护有机化工废水治理与资源化工程技术中心南京 210046)

投稿日期:2009-06-25 修回日期:2009-09-03 发布日期:2010-03-14
通讯作者: 李爱民 E-mail:liaimin99@vip.sina.com
基金资助:
国家自然科学基金(No. 50578088)、国家杰出青年基金(No. 50825802)、国家

Competitive Adsorption of Tannic Acid and Phenol onto a Bi-functional Polymeric Adsorbent

Lu Zhaoyang¹^{,2 Jiang Bicun¹ Li Aimin*^{,1,2 Wang Xu¹ Ma Yifei¹ Shen Xiaopeng¹}}

(¹State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093)
(² State Environmental Protection Engineering Center of Organic Chemical Industrial Waste Water Disposal and Resources Reuse, Jiangsu N&G Environmental Science and Technology Co. Ltd., Nanjing 210046)

Received:2009-06-25 Revised:2009-09-03 Published:2010-03-14

Abstract

Tannic acid, a representative background compound of source water and biologically treated sewage effluent, was chosen to study the competitive effect on the adsorption of phenol by a bi-functional polymeric adsorbent. Single solute adsorption, simultaneous adsorption and preloading experiments were performed. The result indicated that tannic acid had a dramatic effect on phenol adsorption onto resin through different mechanisms, including interactions between adsorbates and pore blockage. The interaction between adsorbates weakened resin adsorption force towards phenol; pore blockage decreased the primary micropore adsorption sites for phenol, resulting in a reduction in the heterogeneity of adsorbent surface.

Key words: tannic acid, phenol, bi-function resin, competitive adsorption, pore blockage, interaction between adsorbates

Cite this article

LIU Chao-Yang, JIANG Bi-Cun, LI Ai-Min, WANG Xu, MA Yi-Fei, CHEN Xiao-Feng-1. Competitive Adsorption of Tannic Acid and Phenol onto a Bi-functional Polymeric Adsorbent[J]. Acta Chimica Sinica, 2010, 68(05): 437-442.

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单宁酸与苯酚在复合功能树脂上的竞争吸附研究

Competitive Adsorption of Tannic Acid and Phenol onto a Bi-functional Polymeric Adsorbent

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