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Preparation and Properties of Heterogeneous Cation Exchange Membrane for Recovery of Ammonium Ion from Waste Water  

Jeong, Boo-Young (School of Biological Chemistry and Applied Engineering, Chungnam National University)
Song, Sang-Hun (School of Biological Chemistry and Applied Engineering, Chungnam National University)
Baek, Ki-Wan (School of Biological Chemistry and Applied Engineering, Chungnam National University)
Cho, In-Hee (School of Biological Chemistry and Applied Engineering, Chungnam National University)
Hwang, Taek-Sung (School of Biological Chemistry and Applied Engineering, Chungnam National University)
Publication Information
Polymer(Korea) / v.30, no.6, 2006 , pp. 486-491 More about this Journal
Abstract
Heterogeneous membranes were prepared by compression molding for the recovery of ammonium ion from waste water. Degree of sulfonation for sulfonated ion exchange resin increased with increasing amount of chlorosulfonic acid. It was 3.32 meq/g at 10 vol%. The tensile strength and elongation of the heterogeneous membrane was decreased with increasing contents of ion exchange resin. The tensile strength for LLDPE matrix membrane was the highest and also the elongation for EVA matrix membranes were the highest. The water content of heterogeneous membrane was increased with increasing contents of ion exchange resin. The maximum value of transport number for PE matrix membrane was 0.973. The electrical resistance of LLDPE matrix membrane was the lowest. It was value of $10.36{\Omega}/cm^2$ at 70 wt% resins.
Keywords
ion exchange; ammonium; EDR; waste water membrane;
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