Guest Column | June 30, 2014 | Reproduced with Permission of Water Online By Harold G. Fravel Jr., Executive Director, American Membrane Technology Association and Karen Lindsey, VP, Avista Technologies, Inc. Despite a global effort to standardize units of measure to the metric system, the water treatment industry still follows the U.S. trend in resisting …
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Understanding The Critical Relationship Between Reverse Osmosis Recovery Rates And Concentration Factors
Guest Column | April 28, 2014 | Reproduced with Permission of Water Online By Harold G. Fravel, Jr., Executive Director, American Membrane Technology Association (AMTA) Every aspect of a reverse osmosis (RO) membrane operation requires some degree of process math. Changes in operating conditions that may be considered minor can actually have significant and …