Humic substances with enhanced surface charge

Details Humic substances with enhanced surface charge Humic substances with enhanced surface charge

1985-02-25

1986-07-08

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85P, 562475, C09K 702

Patent

active

045991812

ABSTRACT:
The electronegative surface charge of humic acid-containing materials is increased by treating the humic acid-containing material with anhydrous hydrochloric acid. The humic acid-containing material of enhanced surface charge is an effective viscosity reducing additive for water base drilling fluids and other aqueous suspensions of solids.

REFERENCES:
patent: 2650197 (1953-08-01), Rahn
patent: 2813827 (1957-11-01), Crowley et al.
patent: 2881211 (1959-04-01), Sperry
patent: 3079335 (1963-02-01), Clem et al.
patent: 3932166 (1976-01-01), Vignovich et al.
patent: 4319041 (1982-03-01), Goff
patent: 4404107 (1983-09-01), Cowan et al.

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