Process for dry beading carbon black

Details Process for dry beading carbon black Process for dry beading carbon black

C - Chemistry, Metallurgy

09

C

23/312, 23/402

C09C 1/60 (2006.01) B01J 2/12 (2006.01) C09C 3/04 (2006.01)

Patent

CA 1332268

ABSTRACT OF THE DISCLOSURE A process is disclosed for dry beading carbon black, with which the quality of the beads can be purposefully influenced and an increase of the throughput of a particular beading apparatus can be achieved. The process foresees that material that is to be beaded is preconsolidated by vacuum prior to or during the beading process. An apparatus for carrying out the single-stage version of the process consists of a beading drum in which filter surfaces that are affected by a vacuum are arranged parallel to the on-going beading process so as to preconsolidate the starting material that is in powder form. In one apparatus, the inner casing of the drum is configured as a filter surface; in the other, bundles of fixed filter tube are installed in the lower chamber of the drum.

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