Separation of Ultra - Fine Sulphur Particles from Nta Dispersion by Aphron Flotation

Abstract

Oxidative scrubbing is used to remove H2S from gas streams. A key problem in regeneration of the absorbent is the removal of fine particles of sulphur from the suspension of the scrubbing liquid. Dispersions of ultra-fine bubbles have been called "colloidal gas aphrons" or aphrons for short. These dispersions have interesting properties and it was found that they have particular advantages in the removal of ultra-fine particles of sulphur.