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How is the heat of reaction removed during the manufacture of phthalic anhydride?(a) Aqueous salt(b) Molten salt(c) NaOH(d) KClThis question was posed to me in unit test.This interesting question is from Synthetic Organic Chemical in section Synthetic Organic Chemical Industries of Chemical Technology

Answer»

Correct option is (B) Molten SALT

The explanation is: The exothermic HEAT of reaction is removed from the outside of the tubes by a molten salt circulating system. The condition for OXIDATION within the converter is 380 DEGREE Celsius.



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