Preparation of Carboxymethyl Cellulose Sodium/PEI Nanofiltration Membrane

Run Lin Han; Yong Qing Wang; Xiao Zhen Zhang; Jian Er Zhou

doi:10.4028/www.scientific.net/AMR.800.580

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 800Preparation of Carboxymethyl Cellulose Sodium/PEI...

Preparation of Carboxymethyl Cellulose Sodium/PEI Nanofiltration Membrane

Abstract:

Carboxymethyl cellulose (CMC) sodium with negatively charged character was used as functional layer of polyetherimide (PEI) ultrafiltration membrane. The preparation parameter such as CMC concentration, cross-linking agent concentration and curing temperature are studied in detail. When the composite membrane was prepared under optimized conditions and tested at 0.4 MPa and 20 °C, the flux of the composite NF membrane was about 3 L/m²h and the MgCl₂ rejection of it was about 87%. The composite membrane showed classical negatively charged membrane character which had higher rejection to high valent anion.

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Periodical:

Advanced Materials Research (Volume 800)

Pages:

580-583

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.800.580

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Online since:

September 2013

Authors:

Run Lin Han, Yong Qing Wang, Xiao Zhen Zhang, Jian Er Zhou

Keywords:

CMC-Na, Composite Membrane, Nanofitration Membrane, Polyetherimide

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