Process for the production of naphthalene

Details Process for the production of naphthalene Process for the production of naphthalene

C - Chemistry, Metallurgy

07

C

260/715.8

C07C 7/14 (2006.01) C07C 7/00 (2006.01) C07C 7/12 (2006.01) C07C 15/24 (2006.01) C10C 1/18 (2006.01)

Patent

CA 1234162

ABSTRACT OF THE DISCLOSURE A process for producing a refined naphthalene of mothball colour-stable quality made from coal-derived crude naphthalene oil. A large number of stages is avoided, and the process does not require sulfuric acid washing and environmental problems associated with the disposal of acid sludge. The process comprises crystallizing naphthalene from a solution of crude naphthalene in methanol followed by clay treatment to produce refined naphthalene.

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