Method and devices for producing naphthalene from coke...

Details Method and devices for producing naphthalene from coke... Method and devices for producing naphthalene from coke...

C - Chemistry, Metallurgy

07

C

C07C 7/09 (2006.01) C07C 15/24 (2006.01)

Patent

CA 2425240

The invention relates to a method for producing naphthalene from coke oven crude gas. The coke oven crude gas is directly cooled by means of sprinkling water thereon, and the naphthalene is obtained by subsequent refrigerating and treatment. The invention is characterised in that after direct cooling, the coke oven crude gas is then guided through an electrofiler to be subsequently cooled in such a manner that the naphthalene contained in the coke oven crude gas is separated from the gaseous phase and is obtained in the form of pure naphthalene without any additional treatment.

L'invention concerne un procédé pour produire de la naphtaline à partir de gaz brut de cokerie, selon lequel ce gaz est refroidi directement par de l'eau de ruissellement, la naphtaline étant obtenue par refroidissement et traitement subséquent. L'invention est caractérisée en ce qu'après le refroidissement direct du gaz brut de cokerie, ce dernier traverse un filtre électrique, pour être ensuite refroidi de façon telle que la naphtaline contenue dans ledit gaz est séparée de la phase gazeuse, se présentant sous forme de naphtaline pure sans traitement ultérieur.

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