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Department of Dairy Technology The Ohio State University
ABSTRACT
Process instrumentation, a fast growing branch in the field of engineering, deals with the complete automatic control of various processing operations. The oil and chemical industries, among others, have rapidly taken advantage of this technical advance, not because of the feature of push-button control by operators, but because automatization can achieve smoother integration of processing operations than is possible with human control. The dairy plant of the future should lend itself to this development.
Many of our plant operators, perhaps without realizing it, already employ some process instrumentation in controlling HTST pasteurizers. No man could maintain the precise control over the temperature and path of milk as is done by the automatic temperature and flow diversion valve instrumentation.
Recently, we have witnessed the introduction of bulk tank pick-up, C.I.P. cleaning, automatic easing and uneasing equipment, automatic case stackers, paletized systems of materials handling, and continuous standardization of milk. Continuous pasteurization of milk and continuous freezing of ice cream have long been practiced.
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