REMOVAL OF PATULIN FROM AQUEOUS SOLUTION USING CROSS-LINKED CHITOSAN BEADS

被引：21
|
作者：
Li, Yang [1 ]
Wang, Jiayu [1 ]
Meng, Xianghong [1 ]
Liu, Bingjie [1 ]
机构：
[1] Ocean Univ China, Coll Food Sci & Engn, Lab Food Chem & Nutr, Qingdao 266003, Peoples R China
来源：
JOURNAL OF FOOD SAFETY | 2015年 / 35卷 / 02期
基金：
中国博士后科学基金; 中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
REACTIVE DYE; ADSORPTION; DERIVATIVES; SORPTION; IONS;
D O I：
10.1111/jfs.12173
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Chitosan beads were prepared by the method of inverse suspension cross-linking characterized and applied to remove patulin from aqueous solution. Batch adsorption experiments were performed to evaluate the optimum adsorption conditions and reusability. The results showed that chitosan beads were effective in removing patulin from aqueous solution. The maximum adsorption capacity of chitosan beads for patulin was 626.4g/g at pH 7.0, 40C for 24h. The kinetics and isotherm models were investigated to characterize the mechanism of patulin adsorption. Adsorption process of patulin on chitosan beads could be described by pseudo second-order model and Freundlich adsorption isotherm model. It was concluded that chitosan beads were very promising biosorbent for patulin removal from aqueous solution. Practical ApplicationsThis study established the basis for the removal of patulin from aqueous solution, and chitosan beads were applied to strengthen the control of patulin for the first time. Therefore, this work was of great significance in protecting human health from patulin contamination.
引用
收藏
页码：248 / 256
页数：9
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