Analysis of micromixers and biocidal coatings on water-treatment membranes to minimize biofouling. | Zendy

Stephen Webb | Zendy; Darryl James | Zendy; Michael Hibbs | Zendy; Howland D. T. Jones | Zendy; William C. Hart | Zendy; Siri Sahib S. Khalsa | Zendy; Susan J. Altman | Zendy; Paul G. Clem | Zendy; Menachem Elimelech | Zendy; Chris J. Cornelius | Zendy; Andres Sanchez | Zendy; Rachael Noek | Zendy; Clifford K. Ho | Zendy; Seokatae Kang | Zendy; Amy Cha-Tien Sun | Zendy; Atar Adout | Zendy; Lucas K. McGrath | Zendy; Malynda A. Cappelle | Zendy; Adam Cook | Zendy

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Analysis of micromixers and biocidal coatings on water-treatment membranes to minimize biofouling.

Author(s) -

Stephen Webb,

Darryl James,

Michael Hibbs,

Howland D. T. Jones,

William C. Hart,

Siri Sahib S. Khalsa,

Susan J. Altman,

Paul G. Clem,

Menachem Elimelech,

Chris J. Cornelius,

Andres Sanchez,

Rachael Noek,

Clifford K. Ho,

Seokatae Kang,

Amy Cha-Tien Sun,

Atar Adout,

Lucas K. McGrath,

Malynda A. Cappelle,

Adam Cook

Publication year - 2009

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/972867

Subject(s) - biofouling , desalination , membrane , water treatment , permeation , water quality , environmental science , chemical engineering , environmental engineering , materials science , waste management , process engineering , chemistry , engineering , ecology , biochemistry , biology

Biofouling, the unwanted growth of biofilms on a surface, of water-treatment membranes negatively impacts in desalination and water treatment. With biofouling there is a decrease in permeate production, degradation of permeate water quality, and an increase in energy expenditure due to increased cross-flow pressure needed. To date, a universal successful and cost-effect method for controlling biofouling has not been implemented. The overall goal of the work described in this report was to use high-performance computing to direct polymer, material, and biological research to create the next generation of water-treatment membranes. Both physical (micromixers - UV-curable epoxy traces printed on the surface of a water-treatment membrane that promote chaotic mixing) and chemical (quaternary ammonium groups) modifications of the membranes for the purpose of increasing resistance to biofouling were evaluated. Creation of low-cost, efficient water-treatment membranes helps assure the availability of fresh water for human use, a growing need in both the U. S. and the world

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