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Knight's Mechanical Encyclopedia (ed. Knight), S. (search)
e the starch is deposited while the gluten is dissolved by the alkali The starch is then transferred to another vat, as G, agitated and washed with water, after which it is again allowed to settle, drained and dried. The drying-room (A, Fig. 5567) is provided with a series of racks K, has ventilating openings C D, and is heated by pipes E E The cakes of starch are conveyed to the chamber by trucks running upon tracks and transferred to the shelves. An incombustible starch, according to Hager is made by pouring 50 parts hot water upon 10 parts pulverized burned bones, and adding gradually 6 parts sulphuric acid. The mixture is kept in a warm place, and occasionally stirred for two days, when 100 parts distilled water are added and the solution filtered; to the filtrate, a soluble phosphate of lime, are added 5 parts sulphate magnesia in 15 distilled water and enough ammonia stirred in to impart an ammoniacal odor. The precipitated double phosphate of ammonia and magnesia is fi