International Sugar Journal

Putsch Membrane Filter Presses installations and results [Full subscriber]

Waste water regulations require minimizing impacts to surface and ground water including lime pond systems. Western Sugar Cooperative’s Fort Morgan factory installed three Putsch PKF-140 pressure leaf filters to replace the existing rotary vacuum drum filters. This change allowed the lime cake to be handled on a dry basis where the drum filters required the cake to be slurried and pumped to a pond. This was a rare environmental project that had return as the lime sewer loss was reduced from 0.15-0.20% OB to 0.03% OB. Besides eliminating the need for precipitated calcium carbonate (PCC) pond, sugar losses to the…

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