Method for retarding gelation of bicarbonate-carbonate-silicate

Details Method for retarding gelation of bicarbonate-carbonate-silicate Method for retarding gelation of bicarbonate-carbonate-silicate

1979-10-04

1981-11-03

Albrecht, Dennis L.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 91, 25217414, 25217419, C11D 712, C11D 714, C11D 1102, C11D 1706

Patent

active

042984939

ABSTRACT:
Gelation and setting of desirably miscible and pumpable crutcher slurries of sodium carbonate, sodium bicarbonate and sodium silicate in an aqueous medium are prevented by addition to such medium of a small proportion of citric acid and/or water soluble citrate. The addition of the particular gelation preventive material lengthens the workable crutching time to up to four hours, from times as little as a minute or less.

REFERENCES:
patent: 3594323 (1971-07-01), Taylor et al.
patent: 3801511 (1974-04-01), Lemoff
patent: 3893955 (1975-07-01), Hewitt et al.
patent: 3915903 (1975-10-01), Wise
patent: 4075117 (1978-02-01), Morton et al.

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