Solid concentration froth concentrate pumping - Froth Flotation (Sulphide & Oxide) - Metallurgist & Mineral Processing Engineer

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Solid concentration froth concentrate pumping (5 replies and 1 comment)

7 years ago

Dear All

I need to transfer some phosphate froth concentrate (coming from flotation cells) and feed a dewatering hydrocyclone. What should be my average solid concentration for a correct pumping ? I consider 21% solid (weight basis). Do I need to dilute any more? Is a froth pump well suited to feed my hydrocyclone ?

Kind regards

Paul Morrow

7 years ago

Paul Morrow 7 years ago

Hi Romain,

this will pump fine. No need to dilute further. Be sure to have a good head over your pump intake for steady feed pressure. I see no issues.

SURESH BEVARA

7 years ago

SURESH BEVARA 7 years ago

Dear sir,

20-25 %solids by weight fine. To avoid froth pump u can use dewatering screw instead of dewatering cyclone.

Romain CADENAT

7 years ago

Romain CADENAT 7 years ago

Thank you for your answers.

I am in contact with a pump manufacturer and he advise a slurry pump instead of a froth pump, because I want to feed a Hydrocyclone. Does it seem a good application for a slurry pump ? Have you ever met this configuration ?

Regards

MillMan

7 years ago

MillMan 7 years ago

A slurry pump is best. Froth (air) does not pump.

MineralFrothFlotation

7 years ago

Hi,
even with slurry pump if you are facing problem like froth is overflowing from slurry pump pit , variation in pressure at hydro-cyclone inlet .. You can try a agitator in that pit , which will break the froth and it will be easily pump to hydro-cyclone battery .

David

7 years ago

David 7 years ago

With regards to froth tenacity, it always pays to observe the ability of the froth to breakdown in launders and pump hoppers. While the majority of froths break down easily, it may be necessary to modify hoppers and launders to accommodate tenacious froths and often reduce or even change frother.

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