Depressant for flotation separation of polymetallic sulphidic or

Details Depressant for flotation separation of polymetallic sulphidic or Depressant for flotation separation of polymetallic sulphidic or

1988-05-02

1989-10-31

Lacey, David L.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

252 61, 241 20, 209 39, B03D 102

Patent

active

048775177

ABSTRACT:
A new depressant for use in enhanced separation of polymetallic sulphides is described. The depressant agent is used in conjunction with conventional collector agents and frothing agents in the flotation separation of copper, nickel, lead, zinc sulphides by depressing iron sulphides such as pyrrhotite, pyrite and marcasite in the tailing. The depressant consists of a cross-linked starch chemically combined with a polyacrylate and sugar free lignin sulphonate.

REFERENCES:
patent: 2019306 (1935-10-01), Handy
patent: 2070076 (1937-02-01), Brown
patent: 2471384 (1949-05-01), Booth
patent: 3912623 (1975-10-01), Buza
patent: 4339331 (1982-07-01), Lim et al.
"The Use of Starches and Starch Derivatives as Depressants and Flocculants in Iron Ore Beneficiation" by Iwasaki, Carlson, Jr., and Parmerter Society of Mining Engineers, vol. 244, pp. 89-98, 3/69.

Affiliated with

Also associated with

Rating

Depressant for flotation separation of polymetallic sulphidic or does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Depressant for flotation separation of polymetallic sulphidic or, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Depressant for flotation separation of polymetallic sulphidic or will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-624085