![]() ![]() * Product flow rates are based on equipment test parameters. The membranes eventually become clogged with these solids reducing the lifespan. This causes them to be pushed into the membrane instead of flushed as they would be during operation. When this happens the solids remain in the membrane housings until the RO system starts up again. If concentrated solids are left in the membrane housings after shutdown they can precipitate (fall out) from the solution. In some cases, one particular element such as silica is elevated, and permeate flush is used to make sure it is flushed from the membrane after shutdown. This may not always be the total dissolved solids (TDS). In cases where the dissolved solids of the feed water are elevated this is crucial to membrane life. This is extremely effective when membrane life is going to be a problem. This flush option is called Permeate Flush because it uses clean water produced by the RO system (permeate or product water) to flush the membranes after shutdown. Permeate flush is an option for our RO systems that can provide a membrane flush directly after shutdown. Deionized TDS Controllers, Resistivity Monitors & Water Quality Lights.
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