The manufacture of intermediate products for dyes (1919)
Cain, John Cannell, 1871-1921 · London : Macmillan · leaf 44
29 NITRO-COMPOUNDS partitions w w, but has to pass downwards through the sieves p, and thence to the next higher compartment through r' (or r), where it again is forced downwards and up into the next higher compartment, and so on. The construction of the tower for the nitration of benzene is… … enters the tower at g, and is con- FlQ. 11. densed in 5 and 6 and emerges from 9 at i (water escaping through k), whilst the purified nitrobenzene leaves tower III at I, is cooled in the condenser 7, and passes through the sight-glass 8 to 10, where it is separ- ated from the water (escaping…
Dyes and dyeing
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