Service Is Key to Membrane Separation
Membrane filtration is key to the efficiency of many processing plants. It is essential, therefore, to maintain them diligently to maximize profits and keep the membranes in top operating condition. This can be illustrated clearly using the example of a large cheese plant in the United States that some years ago added an ultrafiltration plant using spiral wound membranes to recover whey proteins. The plant was specified to run two million pounds of whey per day, producing an 80% whey protein concentrate (WPC). But upon startup, the inefficiency of the filtration plant meant the WPC was only 75-77%. The lower quality concentrate had to be sold in a different market at a substantially lower price, costing the dairy about $15,000 a month in lost profits.