The feedstock is a nitrated aromatic delivered as a cake. The nitration is performed via a mixed acid route.
The cake is insoluble in water. The wgt % H2SO4 noted is for the cake wash water - only one phase, etc.
Washing is done at ambient temperature. The wash water could be used in...
Retrofitting a plant in a hurry with a new feedstock which will contain low levels of sulfuric acid. Wash water will be at pH ~1 and contain 0.1 to 0.35 wgt% H2SO4 @ ambient temperature. Existing plant is constructed from 304L SS. Will I retrofit and suddenly find out that I have corrosion...
