Ammoniated phosphoric acid fertilizer production

Details Ammoniated phosphoric acid fertilizer production Ammoniated phosphoric acid fertilizer production

1977-09-07

1980-07-01

Scovronek, Joseph

Chemistry: fertilizers

Processes and products

Inorganic material

71 44, 71 43, C05B 700

Patent

active

042104386

ABSTRACT:
Liquid ammonia, a reactant with superphosphoric acid in the process for fertilizer production, is passed through an annular jacket surrounding a tubular reaction zone where reaction occurs to maintain the interior surface of the tubular reactor at a temperature sufficiently low to prevent the formation of scale on interior reactor surfaces.

REFERENCES:
patent: T942006 (1976-01-01), Achorn et al.
patent: T950011 (1976-09-01), Hicks et al.
patent: 1989175 (1935-01-01), Siems
patent: 3988140 (1976-10-01), Burns et al.
patent: 4056381 (1977-11-01), Kenton

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