Selective flocculation for iron values

Details Selective flocculation for iron values Selective flocculation for iron values

1979-05-21

1981-08-04

Halper, Robert

Classifying, separating, and assorting solids

Precedent preparation of items or materials to facilitate...

Selective differentiation

210734, B03D 306

Patent

active

042820871

ABSTRACT:
An iron ore is finely ground and slurried prior to being subjected to treatment with a selective flocculant for iron values. Subsequent to treatment, the iron values are allowed to settle into the underflow concentrate and be recovered. The selective flocculant employed is a hydroxymethylated polyacrylamide having a high molecular weight and a degree of hydroxymethylation in excess of about 50%.

REFERENCES:
patent: 3418237 (1968-12-01), Booth
patent: 3479282 (1969-11-01), Chamot
patent: 3975496 (1976-08-01), Smalley
patent: 4081357 (1978-03-01), Werneke
patent: 4090955 (1978-05-01), Dexter
patent: 4137164 (1979-01-01), Coscia

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