Method of phosphoric acid concentration

Details Method of phosphoric acid concentration Method of phosphoric acid concentration

1997-02-12

1998-10-20

Langel, Wayne

Chemistry: fertilizers

Processes and products

Inorganic material

71 94, 159 471, 159DIG20, 4233211, B01D 100, B01D 126

Patent

active

058241329

ABSTRACT:
The wet process phosphoric acid evaporation, its clarifying, fertilizer production and fertilizer efficiency is improved in the presence of multi-component mixture of anionic surfactants and ammonium compound.

REFERENCES:
patent: 3314756 (1967-04-01), Myon
patent: 3457036 (1969-07-01), Backlund
patent: 4551319 (1985-11-01), Sanchez et al.
Sikdar et al, AlChE Journal, vol. 23, No. 3, "Effect of a Surface Active Agent on the Viscosity of Suspensions" May 1977.

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