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Chlorination of polyvinyl pyrrolidone-polysulfone membranes: Organic compound release, byproduct formation, and changes in membrane properties

Publication ,  Journal Article
Xie, P; de Lannoy, CF; Ma, J; Wiesner, MR
Published in: Journal of Membrane Science
September 1, 2015

In this work, the release of organic compounds, the variations of membrane properties and the formation of toxic byproducts during chlorine treatment of polyvinyl pyrrolidone-polysulfone (PVP-PSF) membranes were investigated. Chlorine treatment decreased bovine serum albumin rejection, permeability and hydrophilicity of PVP-PSF membranes and resulted in the release of organic compounds as measured by total organic carbon (TOC). More organic compounds were released from the membranes at higher chlorine concentrations and higher initial values of chlorine contact pH. The presence of bromide that can be oxidized to bromine by chlorine also increased the release of organic matter from the membranes and contributed to the formation of high toxic brominated byproducts. Five toxic volatile chlorinated byproducts, chloroform, chloral hydrate, 1,1-dichloro-2-propanone, 1,1,1-trichloro-2-propanone and trichloronitromethane, were formed during chlorination of the organic compounds from the PVP-PSF membranes. Three brominated byproducts including bromodichloromethane, dibromochloromethane and bromoform were determined in the presence of bromide. The PVP appears to be more susceptible than PSF to chlorine destruction in the PVP-PSF membranes as analysis of the chlorinated byproducts derived from PVP precursors.

Duke Scholars

Published In

Journal of Membrane Science

DOI

EISSN

1873-3123

ISSN

0376-7388

Publication Date

September 1, 2015

Volume

489

Start / End Page

28 / 35

Related Subject Headings

  • Chemical Engineering
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
 

Citation

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Xie, P., de Lannoy, C. F., Ma, J., & Wiesner, M. R. (2015). Chlorination of polyvinyl pyrrolidone-polysulfone membranes: Organic compound release, byproduct formation, and changes in membrane properties. Journal of Membrane Science, 489, 28–35. https://doi.org/10.1016/j.memsci.2015.03.058
Xie, P., C. F. de Lannoy, J. Ma, and M. R. Wiesner. “Chlorination of polyvinyl pyrrolidone-polysulfone membranes: Organic compound release, byproduct formation, and changes in membrane properties.” Journal of Membrane Science 489 (September 1, 2015): 28–35. https://doi.org/10.1016/j.memsci.2015.03.058.
Xie, P., et al. “Chlorination of polyvinyl pyrrolidone-polysulfone membranes: Organic compound release, byproduct formation, and changes in membrane properties.” Journal of Membrane Science, vol. 489, Sept. 2015, pp. 28–35. Scopus, doi:10.1016/j.memsci.2015.03.058.
Journal cover image

Published In

Journal of Membrane Science

DOI

EISSN

1873-3123

ISSN

0376-7388

Publication Date

September 1, 2015

Volume

489

Start / End Page

28 / 35

Related Subject Headings

  • Chemical Engineering
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences