Ai. Leont'Eva et al., On the possibility of improving the efficiency of drying of pastelike organic dye intermediates, RUS J AP CH, 73(3), 2000, pp. 483-485
The convective and conductive methods for drying the R salt on vacuum-rake
and roller-conveyor dryers and in fluidized bed of inert bodies were studie
d. The effect of impurities contained in the product on the intensity of dr
ying is evaluated. Various methods for impurity removal from the R salt pas
te are analyzed.