METHOD OF PREPARING POTASSIUM PYROPHOSPHATE Russian patent published in 1998 - IPC

Abstract RU 2112741 C1

FIELD: industrial inorganic syntheses. SUBSTANCE: potassium phosphate solutions are fed into spray drier with velocity 880-920 l/h and product is dried at elevated temperature with moisture removal velocity 650 to 720 kg/h. Dried product is calcined, and effluent gases are cleaned to remove particles of product which are returned into calcination stage followed by scrubbing effluent gases. Speed characteristics of drying process are determined experimentally. EFFECT: intensified process and reduced loss of product. 2 tbl

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RU 2 112 741 C1

Authors

Kesojan G.A.

Epifanova O.M.

Dobroskokina N.D.

Lere-Pland P.A.

Nikitin A.B.

Dates

1998-06-10—Published

1997-08-15—Filed