PMID: 18200861Jan 19, 2008Paper

Sorption of organic contaminants by biopolymer-derived chars

Environmental Science & Technology
Xilong Wang, Baoshan Xing

Abstract

Sorption of phenanthrene and naphthalene by chitin and cellulose, as well as these biopolymer-derived chars, was examined. Carbon contents were much higher in the chars than their respective biopolymers, and nitrogen was dramatically accumulated in the chitin-derived chars. After charring, sorption of these two compounds was greatly increased, which was attributed to the newly created surface area, porosity, and aromatic components. The aromatic carbon content of the biopolymer chars increased with an increase in the charring temperature. Sorption of phenanthrene and naphthalene to chitin and cellulose was dominated by partitioning. However, after charring, sorption of these two compounds became much more of an adsorption process, because of the newly created surfaces and micropores. The maximum mass sorption capacity of phenanthrene and naphthalene by the original biopolymers and their chars was positively correlated with their surface areas, suggesting that active sorption sites were largely on the surfaces of chars. At low solute concentrations, sorption of phenanthrene and naphthalene by biopolymer chars was dominated by the micropore-filling mechanism; with an increase in the solute concentration, sorption of these two com...Continue Reading

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Citations

Apr 24, 2013·Journal of Hazardous Materials·Kirk T SempleGary D Bending
Sep 21, 2011·Environmental Science & Technology·Xilong WangBaoshan Xing
Feb 11, 2012·Environmental Science & Technology·Sarah E HaleGerard Cornelissen
Apr 13, 2013·Journal of Agricultural and Food Chemistry·Yang SongXin Jiang
May 27, 2014·Ecotoxicology and Environmental Safety·Jingkuan SunZhengguo Song
Jul 17, 2014·Environmental Science and Pollution Research International·Xiaofang ShenBaoshan Xing
Apr 10, 2012·Journal of Hazardous Materials·Yang SongXin Jiang
Jul 2, 2011·Environmental Pollution·Guixiang ZhangYe Zhao
Sep 10, 2014·Journal of Hazardous Materials·Jianfa LiMengying Zheng
Jul 31, 2012·The Science of the Total Environment·Yang-hsin ShihChien-ying Yang
Sep 7, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Jianwei FanDongyuan Zhao
Apr 22, 2017·Critical Reviews in Biotechnology·Shujing YeChen Zhang
Mar 13, 2009·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Neera Singh, Rai S Kookana
Nov 7, 2012·Journal of Environmental Quality·Guixiang ZhangChunye Lin
Mar 29, 2018·Environmental Science and Pollution Research International·Huilan ShiWenhao Pang
Aug 23, 2020·Environmental Science and Pollution Research International·Baoqing LiWei Fan
Dec 30, 2016·Environmental Science and Pollution Research International·Lu HanMengfang Chen
Mar 20, 2020·Environmental Science and Pollution Research International·Rashida HameedDaohui Lin
Mar 2, 2017·Environmental Science and Pollution Research International·Fengsong ZhangLingsheng Yang
Dec 6, 2018·Anais Da Academia Brasileira De Ciências·Marcos R F DA SilvaMariane M Azevedo
Aug 28, 2020·Environmental Science and Pollution Research International·Rashida HameedDaohui Lin

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