The practical dry cleaner, scourer, and garment dyer : comprising dry or chemical cleaning; purification of benzine .. (1907)
Brannt, William T. (William Theodore), b. 1844, ed · Philadelphia : H. C. Baird & Co. · leaf 66
DRY OR CHEMICAL CLEANING. 43 A simple method of purifying the dark and fre- quently perfectly black benzine previous to distilla- tion is as follows : Mix the benzine with dilute soda solution (about 10 quarts of soda solution to 1,000 quarts of benzine.) After separation has taken place, draw off… … The benzine thus treated is then subjected to dis- tillation. The apparatus shown in Fig. 8 is especially suit- able for the distillation of the benzine treated in the above manner, it having the advantage of working continuously. A is a cylindrical vessel of sheet-iron or cast-iron with arched top…
Cleaning · Dyes and dyeing
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