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Paper Information

Journal:   IRANIAN JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING (IJEHSE)   WINTER 2008 , Volume 5 , Number 1; Page(s) 73 To 77.
 
Paper: 

REMOVAL OF CHROMATE ION FROM CONTAMINATED SYNTHETIC WATER USING MCM-41/ZSM-5 COMPOSITE

 
 
Author(s):  KAZEMIAN H.*, MALAH M.H.
 
* NUCLEAR SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE (NSTRI), TEHRAN, IRAN
 
Abstract: 

In the present study removal of chromate anion (CrO42-) from a synthetic aqueous solution by a synthesized MCM-41/ZSM-5 composite and its modified form with the anionic surfactant of hexadecyl-teri methyl ammonium bromide; (surfactant modified composite) was investigated. According to the data obtained from batch test of MCM-41/ZSM-5 composite and surfactant modified composite, it is obvious that modification of the composite with anionic surfactant improves its affinity toward the oxyanion (917mL/g for MCM-41/ZSM-5 composite in comparison to 1870mL/g for surfactant modified composite). It was concluded that sorption capacity and selectivity of the composite will be remarkly improve toward chromate anion by modification of its surface by a surfactant; therefore surfactant modified composite is a suitable candidate for removal of chromate anion from contaminated solutions.

 
Keyword(s): CHROMATE, MCM-41/ZSM-5 COMPOSITE, WASTEWATER
 
References: 
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