Method for the manufacture of phosphoric acid by the wet process

Details Method for the manufacture of phosphoric acid by the wet process Method for the manufacture of phosphoric acid by the wet process

1979-05-17

1982-02-02

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423319, 423320, C01B 25225

Patent

active

043139159

ABSTRACT:
The invention relates to a method for the preparation of phosphoric acids by the wet process by reaction of at least one natural phosphate on at least one strong acid, such as, preferably, sulphuric acid, characterized in that said reaction is effected in the presence of 50 to 500 g/t of phosphate consumed, of at least one non-ionic surface-active agent obtained by condensation of 2 to 30 molecules of ethylene oxide per molecule of at least one branched fatty alcohol.

REFERENCES:
patent: 3192014 (1965-06-01), Leyshon et al.
patent: 4140748 (1979-02-01), Dri
Slack, "Phosphoric Acid", vol. 1, Marcel Dekker, Inc., N.Y., 1968, pp. 279-284; 383-386.

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