Process for the preparation of solid iron (III) complexes
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United States of America Patent
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Dec 28, 1993
Issued Date -
N/A
app pub date -
Oct 8, 1992
filing date -
May 15, 1991
priority date (Note) -
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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.
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