Formulations for iron oxides dissolution

Details Formulations for iron oxides dissolution Formulations for iron oxides dissolution

1990-04-30

1992-01-07

Lieberman, Paul

Compositions

Dust suppressants for bulk materials, or processes of...

252 82, 252 84, 252 85, 252 86, 252 87, 252180, 252181, 2521881, 2521882, 25218822, 25218825, C23F 1100, C23F 1110, C02F 510, C01B 300

Patent

active

050788949

ABSTRACT:
A mixture of a di- or polyphosphonic acid and a reductant wherein each is present in a sufficient amount to provide a synergistic effect with respect to the dissolution of metal oxides and optionally containing corrosion inhibitors and pH adjusting agents.

REFERENCES:
patent: 3935125 (1976-01-01), Jacob
patent: 4432865 (1984-02-01), Norman
patent: 4554090 (1985-11-01), Jones
patent: 4747975 (1988-05-01), Ritter
patent: 4810405 (1989-05-01), Waller et al.
patent: 4937002 (1990-06-01), Bainbridge et al.

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