Process for the preparation of solid iron (III) complexes

Details Process for the preparation of solid iron (III) complexes Process for the preparation of solid iron (III) complexes

1992-10-08

1993-12-28

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

423138, 423143, 423179, 25218233, 25218234, 25218313, 71DIG2, C07F 1502

Patent

active

052741516

ABSTRACT:
Fe(III) complexes having high bulk density and a process for the production of the same without the generation of heavy metal-contaminated effluents are disclosed. Solid complexes of EDTANaFe and EDTAKFe having high bulk densities are formed by reaction with ferric sulfate containing low chromium levels, followed by total drying of the resulting mixture in the same processing equipment without the prior separation of the sulfate salts formed.

REFERENCES:
patent: 2816060 (1957-12-01), Carter
patent: 2891854 (1959-06-01), Kroll et al.
patent: 4056381 (1977-11-01), Kenton
patent: 4130582 (1978-12-01), Petree et al.
patent: 4181516 (1980-01-01), Gray

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