Effect of Surface Oxygen Complexes of Activated Carbon on the Adsorption of 2,4,6- Trinitrophenol

Defence Science Journal

Preeti Aggarwal¹  A. K. Bhalla¹  Kshipra Misra¹  R. C. Bansal²  S. K. Kapoor¹ 

[1] Centre for Environment & Explosives Safety, Delhi;Panjab University, Chandigarh

关键词: Activated carbons;    Adsorption isotherms;   

DOI  :  

学科分类：社会科学、人文和艺术（综合）

来源: Defence Scientific Information & Documentation Centre

【 摘 要 】

The adsorption isothenns for 2,4,6-trinitrophenol (picric acid) on five samples of coconut-based activated carbons (ACs) with varying. surface area have been studied. The results obtained show thatadsorption depends upon surface area but is not linearly related to it. The adsorption increases on oxidation with ammonium persulphate (NH4)2 S2 08) as well as on degassing at 600 °C. The resultshave been explained on the basis of the existence of surface carbonyl groups, where the 02 of thecarbonyl group interacts with pi electrons of the benzene ring of picric acid.

【 授权许可】

Unknown