Portage, MI (PRWEB) June 12, 2006
A Midwest ethanol producer was experiencing high fluctuations of caustic use without a strong correlation as to the problem's source. The plant had several theories and after consulting with Ronningen-Petter, a plan was developed.
The resulting solution was to install an automated, self cleaning filter on a recirculation lop connected to the caustic make down tank. The current CIP loop was not interrupted and continued to operate as normal.
Within days of the installation, the filter had stabilized the caustic addition rates. The company's chemical costs were reduced, and the effective life of their cleaning solution was extended.
Self cleaning filters:
Ronningen-Petter self cleaning filters are based on a simple concept.
Unfiltered liquids are fed through the inlet of a cylindrical stainless steel housing containing a filter screen. Solids are deposited on the interior surface of the filtration media, allowing filtered liquid to exit the outlet. An interior cleaning disc travels up and down the screen - based on time, pressure differential, or manual selection - scraping off the debris.
This cleaning process happens while the filter remains in service, thereby maintaining process efficiency and dramatically reducing loss of valuable product. The accumulated solids are purged out fo the filter on a regular basis, removing them in a concentrated form out of the process fluid.
-- by Ask Filter Man
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