Adsorption of Cadmium By Silica Chitosan

Journal of Pure and Applied Chemistry Research

Moftah Ali¹  Akhmad Sabarudin²  Ani Mulyasuryani² 

[1] Arabian Gulf Oil CompanyPO Box 263El-KishBenghazi - LIBYAEmail: [e-mail];Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of BrawijayaJl. Veteran 65145 Malang INDONESIA;

关键词: adsorption capacity;    recovery;    cadmium;    silica;    chitosan;   

DOI  :  

来源: DOAJ

【 摘 要 】

The adsorption process depends on initial concentration of Cd²⁺ and ratio of  chitosan in adsorbent. The present study deals with the competitive adsorption of Cd²⁺ ion onto silica graft with chitosan. Batch adsorption experiments were performed at five different initial Cd²⁺ concentrations (5, 10, 15, 20 and 25 ppm), on five different proportion from silica to chitosan (100%, 95%, 85%, 75% and 65%) as adsorbent at pH 5. In the recovery process, the high recovery at 0.5 mg and observed the recovery decrease with increasing the initial concentration of Cd²⁺, and the low recovery at 0.25 mg from Cd²⁺. In this study, the adsorption capacity of Cd²⁺ in regard to the ratio of silica and chitosan hybrid adsorbents are examined in detail. The aim of this study to explore effects of initial concentrations of Cd²⁺, and the ratio of silica to chitosan on the adsorption and recovery of Cd²⁺.

【 授权许可】

Unknown