Application of dyestuffs to textiles, paper, leather and other materials (1920)
Matthews, J. Merritt (Joseph Merritt), 1874-1931 · New York, Wiley · leaf 123
water is just as necessary for bleaching, dyeing, and washingas it is for scouring. Many of the defects in these processes can be tracedback to the use of impure or hard water, as the metalHc salts present insuch water may cause stains, streaks, and discolorations. The specialfeatures in these… … Fig. 92.—Water Softener. (Permutit System). In some dj-ehouscs the water obtained from condensed steam is oftenemployed where a very pure water is desired. In such cases care shouldbe had that the water is free from oil or grease which may frequently bepresent if the exhaust steam from an engine is…
Dyes and dyeing · Textile fabrics
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