Preparation of newly synthesized forward osmosis membrane

In-Chul Kim Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638Correspondence[email protected]

Su-Hyun Ahn Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638; Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 121-742, Republic of Korea

Yong-Sook Jin Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638; Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 120-749, Republic of Korea

Beom-Sik Kim Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638

You-In Park Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638

Jonggeon Jegal Research Center for Biobased Chemistry, Korea Research Institute of Chemical Technology, P.O. Box 107, Sinseongno 19, Yuseong, Daejeon, 305-600, Republic of Korea Phone: Tel. +82 42 860 7638 Fax: Tel. +82 42 860 7638

Seok-Heon Lee Water Environment Center, Korea Institute of Science and Technology, Seoul, 136-791, Republic of Korea

Young-Nam Kwon School of Urban & Environmental Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 689-798, Republic of Korea

Hee-Woo Rhee Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 121-742, Republic of Korea

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Abstract

Forward osmosis (FO) membrane was fabricated with a newly synthesized acetylated methyl cellulose (AMC) membrane. The FO membrane performance was compared with a commercially available reverse osmosis (RO) membrane for seawater desalination. Interfacial polymerization was done on the AMC support membrane for FO membrane preparation. Polyamide layer was successfully formed. The membranes were characterized by scanning electron microscopy and atomic force microscopy analysis. The surface of two membranes shows similar ridge-and-valley structure. However, the support layer of two membranes was completely different. The polyamide membrane based on the AMC support layer shows much better FO and RO performance than the RO membrane due to difference at the membrane cross-section between two membranes. The big macrovoids of the AMC support layer make flux much higher. In contrast, the RO membrane shows sponge-like structure at the membrane cross-section.

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Notes

7th Aseanian Membrane Society Conference (AMS7), 4–7 July 2012, Busan, Korea

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Preparation of newly synthesized forward osmosis membrane

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Preparation of newly synthesized forward osmosis membrane

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