Study on the Adsorption Behavior of Acid Dyes on Collagen Fiber

摘要：

　　The adsorption of acid black dye NT on collagen fiber (CF) was studied,and the effects of temperature,pH,initial dye concentration,adsorbent dosage and reaction time on the dye adsorption were tested,respectively.The results indicated that the optimal temperature and pH of acid black dye NT absorption were 40℃ and 2.0,respectively.For a certain concentration of dyeing,the adsorption capacity decreased with the increasing of adsorbent dosage,but increased along with the extension of the contact time.In addition,the adsorption isotherms and kinetics of acid black dye NT on CF were investigated.By comparison,it was found that the Freundlich equation and Pseudosecond-order kinetic model can better describe the adsorption behavior of acidic black dye on CF.Thermodynamic parameters,such as ΔG,ΔH and ΔS were determined to be -3.445 kJ/mol,11.2 kJ/mol and 59.6 J/(mol·K),respectively.The results indicated that the adsorption was a spontaneous endothermic nature.

关键词： Collagen fiber (CF) Adsorption behavior Isotherms Kinetics

作者: Xuechuan Wang Qiaoqiao Bu Taotao Qiang Min Luo

作者单位: Key Laboratory of Auxiliary Chemistry & Technology for Light Chemical Industry, Shaanxi University of Science and Technology, Xi’an, Shaanxi 710021, China

会议类型: 国际会议

会议名称: the Chinese Materials Congress 2012(2012年中国材料大会(CMC2012))

会议地点: 太原

会议语种:英文

页码: 759-767

在线出版日期: 2012-07-13（万方平台首次上网日期，不代表论文的发表时间）