C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/384
C01B 25/41 (2006.01) B01J 19/24 (2006.01) B01J 19/26 (2006.01)
Patent
CA 1240824
ABSTRACT OF THE DISCLOSURE The disclosure relates to an apparatus for carrying out a process for making alkali metal polyphosphates, especially alkali metal triphosphates. The apparatus is comprised of a cylindrical spray tower having a tapered lower end and being closed by means of a cover; a spray means being passed centrally through the cover; a plurality of burners and a solid matter feed means being passed through the cover concentrically with respect to the spray means and so as to be spaced therefrom; and a bevelled issuing gas outlet opening upwardly from the tapered end of the spray tower.
464704
Haas Hans
Kowalski Werner
Krause Johannes
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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