Process for the preparation of dry soot

Details Process for the preparation of dry soot Process for the preparation of dry soot

C - Chemistry, Metallurgy

09

C

23/374, 23/432

C09C 1/58 (2006.01) B01D 12/00 (2006.01) C01B 31/00 (2006.01) C09C 1/60 (2006.01) C10J 3/46 (2006.01)

Patent

CA 1107943

ABSTRACT OF THE DISCLOSURE The invention relates to a process for the preparation of dry soot from a suspension with a soot content of from 0.5 to 1.5%w of soot particles in water as obtained when washing gases originating from a process for the preparation of gas by partial combustion of a carbon-containing feed, the suspension being brought to turbulence in an agglomeration zone with addition of a liquid light hydrocarbon or mixture of hydro- carbons, characterized in that the mixture of liquid and agglom- erates leaving the agglomeration zone is passed through the drum of a rotary sieve, in which sieve drum the mixture is filtered, the agglomerates leaving the sieve drum having a water content of from 4-5%w and a light hydrocarbon(s) content of from 300- 800%w, and the agglomerates are de-watered while being trans- ported to the outlet of the drum, after which the light hydro- carbon(s) is (are) recovered by evaporation and condensation.

270555

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