Ethanol Plants – CIP Filtration Filtration for Ethanol Production To produce Ethanol, raw materials such as corn or cellulosic feedstocks like sugarcane and wheat undergo a dry milling process that produces a combustible alcohol. Once the product has completed a fermentation process it is drained from its holding tank where fibrous materials, bacteria, and other solids can remain. To remove these unwanted solids, many Ethanol production plants have implemented Clean-in-place (CIP) process’s to maintain product consistency in between batches. A typical CIP wash consists of a caustic solution of hot water and sodium-hydroxide that prevents fouling and contamination between batches ensuring a consistent product every time. The corrosive nature of the caustic wash can cause piping t o corrode and deteriorate releasing rust and other solids into the system stream that can cause buildups a
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