Multi-Barrier Water Purification System and Method
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United States of America Patent
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Issued Date -
Nov 6, 2008
app pub date -
May 5, 2008
filing date -
May 4, 2007
priority date (Note) -
Abandoned
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Abstract
Disclosed herein are systems and methods for decontaminating a contaminated fluid that integrate ultraviolet radiation in an advanced decontamination process, and a honing material, along with a cross-flow membrane filter, into a single closed-loop system. This approach combines the advantages of chemical-free advanced decontamination technology, long-life wiper-free UV disinfections, and maintenance-free ceramic MF/UF membranes to provide multi-barrier protection. Such technique provides a 100% fluid recovery system (zero reject stream). In one embodiment, the system comprises a filtration membrane and a honing material located in the contaminated fluid that is sufficient to scrub foulants from the membrane, as well as any other components that honing material comes in contact with, while forming a dynamic filtration coating on the membrane as the contaminated fluid pass through the membrane. The system may also comprise an advanced decontamination process sufficient to destroy, by oxidation or reduction, biological and organic contaminants from the contaminated fluid.
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