Minimizing soluble iron concentration in a plant effluent

Details Minimizing soluble iron concentration in a plant effluent Minimizing soluble iron concentration in a plant effluent

1976-12-10

1980-09-09

Langel, Wayne A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423633, C01G 4902

Patent

active

042217660

ABSTRACT:
This process reduces the soluble iron found in the final effluent of a plant making iron oxide by the Penniman-Zoph scrap process. The finished oxide product slurry is separated from the scrap iron, and the slurry is aerated while the pH is maintained between about 3.0 and 5.0. As the soluble iron is converted to product oxide, the pH of the system rises toward the higher value.

REFERENCES:
patent: 2939767 (1960-06-01), Martin
patent: 3845198 (1974-10-01), Marcot

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