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A patent has been issued to a pair of WMRC employees. Kishore Rajagopalan and Todd Rusk, as well as Rob Sanford from Civil and Environmental Engineering, received the patent for an innovation they developed. The patent is based on the use of paramagnetic particles to probe membrane integrity, i.e., to determine if defects -such as pinholes- exist in the membrane. The patent improves current membrane integrity detection procedures through utilization of the magnetic properties of the test particles as a "handle" to increase both particle concentration and specificity prior to detection. A draft paper is available that provides experimental verification of the proposed process and discusses the plausibility of scale-up to larger systems.
Developments like this one help maintain WMRC's reputation as a leader in purification technologies. Click here if you are interested in reading the patent and finding out more about it.
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