Method of cooling gases containing solids, tar and naphthalene

Details Method of cooling gases containing solids, tar and naphthalene Method of cooling gases containing solids, tar and naphthalene

C - Chemistry, Metallurgy

10

K

165/47, 202/9, 2

C10K 1/08 (2006.01) C07C 15/24 (2006.01) C10K 1/00 (2006.01) C10K 1/04 (2006.01) C10K 1/06 (2006.01)

Patent

CA 1083952

ABSTRACT OF THE DISCLOSURE A method of cooling gases containing solids, tar and naphthalene is described, wherein the hot gases are treated with a cooling fluid in a direct condenser and are thus cooled. The cooling fluid leaving the direct condenser is vigorously mixed with a naphthalene extracting agent and the extract is separated from the circulating fluid by settling out, before the fluid is recycled to the circulating condenser. The circulating fluid may be water and the extracting agent used may be tar obtained from the tar separator in a subsidiary recovery plant. A device including a mixer and a conventional tar separator is also described. Invention improves reliability of method of direct gas cooling and the operating periods of the individual parts of the system without having to make the parts excessively large.

282791

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