The manufacture of intermediate products for dyes (1919)
Cain, John Cannell, 1871-1921 · London, Macmillan · leaf 43
INTERMEDIATE PRODUCTS FOR DYES 28 nitrators fitted with very rapid agitators and connected together in series ; the last one is connected to a vertical tower where the nitrobenzene and waste acid separate by gravity and are led off. Benzene and mixed acid are delivered to the first nitrator by… … FIG. 10. successive ones kept at gradually increasing temperatures so as to deliver the finished nitrobenzene from the fourth. Perhaps the most complete and satisfactory plant for con- tinuous nitration is that in which the specially constructed towers or columns of Kubiersky (G.P., 287799) are…
Dyes and dyeing -- Chemistry
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.