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C. Vojnovich, V. F. Pfeifer, R. A. Anderson, and E. L. Griffin, Jr. Copyright 1960 by the American Association of Cereal Chemists, Inc. Conditions and equipment suitable for the production of dry vital wheat gluten by drum-drying wet gluten dispersed in dilute acetic acid were studied. In these tests a satisfactory product was obtained by completely dispersing wet gluten in dilute acetic acid at a pH from 4.3 to 5.1 and a solids concentration of 12--20% by weight, by drum-drying the dispersed gluten at atmospheric pressure and a temperature about 260 F. (127 C.), and by grinding the dried material in an attrition or hammer mill. The process uses standard equipment, and it can be readily adapted in industrial plants to make dry vital gluten for baking or other food purposes, or for the preparation of industrial chemicals. Cost estimates for drying 6 million lb. of vital gluten product annually by this process show a total drying cost of 4 cents per lb. of dry material in a plant costing about $477,000. |
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