Process for the production of surfactant granules

Details Process for the production of surfactant granules Process for the production of surfactant granules

1996-12-12

1998-04-14

McGinty, Douglas J.

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Solid, shaped macroscopic article or structure

510351, 510357, 510444, 510457, 510458, 510483, 510491, 510495, 510535, 510536, 23313FB, 159 481, 562 45, 562 97, C11D 1100

Patent

active

057390975

ABSTRACT:
In the production of granules containing anionic surfactants and having a bulk density above 450 g/l by granulation of a surfactant preparation containing a non-surface-active liquid component, the water demand and hence the energy demand for evaporating the water can be reduced if the anionic surfactant in its acid form or a mixture containing one or more anionic surfactants in their acid form and an aqueous alkaline solution are separately treated with a gaseous medium, subsequently sprayed in substantially stoichiometric quantities into the granulation and drying zone either separately or together under a high propellant gas pressure and then granulated and, at the same time, dried, optionally with addition of one or more inorganic or organic solids.

REFERENCES:
patent: 4894117 (1990-01-01), Bianchi et al.
patent: 4919847 (1990-04-01), Barletta et al.
patent: 5189207 (1993-02-01), Blasey et al.

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