Clarification of xanthan gum

Details Clarification of xanthan gum Clarification of xanthan gum

1974-10-10

1976-06-29

Guynn, Herbert B.

Compositions

Leather or fur treating

166246, 195 7, 195 31P, C12B 100, E21B 4322

Patent

active

039666182

ABSTRACT:
Fermentation broths and other aqueous suspensions containing a dissolved xanthan gum and suspended solids resulting from the fermentation producing the xanthan gum are clarified by treatment with a minor amount of a protease enzyme. The injectivity of aqueous solutions containing xanthan gum so clarified is improved, in oil well flooding operations, over solutions not so treated.

REFERENCES:
patent: 3119812 (1964-01-01), Rogovin et al.
patent: 3288211 (1966-11-01), Johnston
patent: 3305016 (1967-02-01), Lindblom et al.

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