Process and an apparatus for chemical reduction of phosphate...

Details Process and an apparatus for chemical reduction of phosphate... Process and an apparatus for chemical reduction of phosphate...

C - Chemistry, Metallurgy

02

F

161/39, 362/46

C02F 1/58 (2006.01) C02F 1/52 (2006.01) C02F 5/02 (2006.01)

Patent

CA 1125932

ABSTRACT OF THE DISCLOSURE The present invention provides a process for chemical reduction of the phosphate content of water by adding at least one reagent which forms a crystalline difficultly soluble salt, and contacting the liquid with a seed material promoting the crystallisation, characterized in that the contacting takes place in a bed of grains of the seed material promoting the crystalisa- tion fluidized and kept in fluidisation by the water stream, and that the introduction of the reagent or reagents is effected so as to have a substantially complete heterogenous nucleation take place on the seed material.

327848

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