DSM Nutritional Products in Switzerland uses spray drying when producing vitamin and carotenoid powders for the food industries. The procedure uses pump technology to convey various emulsions into a spray tower, where they are dried into powder. But the feed and booster pump that was being used proved to be an uncertainty factor because the diaphragm required for the pumping process tended to tear when the pump was started up. Generally, such production interruptions can be corrected through maintenance and repair work. However, it is very expensive to replace a diaphragm or an entire system.
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