改性活性炭纤维吸附炸药废水中TNT实验研究  

Study on Adsorption of TNT from Explosive Wastewater by Modified Active Carbon Fiber

作　　者：付丹[1] 

机构地区：[1]辽宁石化职业技术学院应用化学系,辽宁锦州121001

出　　处：《工业安全与环保》2015年第2期19-21,共3页Industrial Safety and Environmental Protection

摘　　要：本文研究了改性活性炭纤维对炸药废水中TNT的吸附行为。研究表明:1 mol/L HNO3改性的活性炭纤维吸附效果最好,其对炸药废水中TNT的最佳吸附条件为:吸附剂用量为0.6 g/25 m L,吸附平衡时间为60 min,升温有利于吸附进行。Langmuir和Freundlich吸附等温线均能较好地描述活性炭纤维对TNT的吸附,吸附动力学分析表明,吸附过程遵循准二级动力学规律。This paper studies the adsorption behavior of TNT from explosive wastewater on modified active carbon fiber. The results show that 1 mol / L HNO3 modified activated carbon fiber is best absorbent for TNT adsorption and the optimum adsorption conditions should be： absorbent dosage 0. 6 g /25 m L,the equilibrium time 60 minutes and the removal of TNT increases with the increase of temperature. The Langmuir and Freundlich isotherms can well describe the adsorption of TNT on ACF. The kinetics of adsorption indicates that the adsorption follows the second- order kinetic equation.

关 键 词：改性 活性炭纤维 吸附 炸药废水 

分 类 号：X789[环境科学与工程—环境工程]