Production process of p-nitrochlorobenzene
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Production process and equipment for p-nitrochlorobenzene
This is a passage I found for you on the forum; I hope it will be helpful. Acidic chlorobenzene is subjected to nitration, washing, neutralization, drying, distillation, and coking removal at the bottom of the tower to yield the ortho product; the material from the top of the tower is then crystallized to obtain the para product, while the oil from the lower part is further distilled and crystallized to give the meta oil. If this meta-oil is to be further purified to obtain the meta-product, another set of distillation and crystallization processes is required.
The production principle of p-nitrochlorobenzene is similar to that of ***; you can refer to the production principle of ***.