Process for obtaining carbon black from aqueous suspensions

Details Process for obtaining carbon black from aqueous suspensions Process for obtaining carbon black from aqueous suspensions

1980-12-03

1982-05-11

Vertiz, O. R.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423460, C01B 3102

Patent

active

043293298

ABSTRACT:
This invention relates to a process for obtaining carbon black from aqueous suspension. A practically water-free carbon black is obtained from aqueous suspensions by mixing the suspension with liquid low-boiling hydrocarbons, then expanding the mixture in a vessel to evaporate the hydrocarbons, then drawing off separately the hydrocarbon vapors carrying the carbon black and the remaining liquid aqueous phase from the vessel, and separating the carbon black from the hydrocarbon vapors.

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