Feasibility Evaluation of Cheese Whey Processing in Small Plants

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Abstract
Economics of drum drying, evaporation and manufacture of whey cheese (mysost) were evaluated for small cheese plants with 3000-25,000 kg whey/day. Costs of drying and condensing increase in proportion to decreasing plant size with equipment depreciation contributing a major part of total operating costs for the smallest plants. In plants with 15,000-25,000 kg whey/day this equipment cost is lower than the sewage surcharge penalty incurred by dumping the untreated whey. Manufacture of mysost cheese appears to be the best economic alternative for all plants. The high cost of ingredient dairy cream in the mysost diminishes the economy of scale disadvantage for the smallest plants.

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