Finishing


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Finishing

 

(in the dressing of minerals), the final stage of the production process that results in the production of a certified concentrate. The finishing can be carried out by repeating the methods that were used to produce the rough concentrates (that is, by repeated cleaning of the rough concentrates), or the use of more complex and costly processes of concentration of minerals or hydrometallurgy may be necessary. For example, after gravity concentration, finishing can be accomplished by flotation or electrical separation. As a rule, hydrometallurgy is used for leaching out harmful impurities (for example, phosphorus from tungsten concentrates). If finishing differs substantially from the primary concentration in terms of the methods and equipment used, a special finishing mill is sometimes built for processing uniform uncertified concentrates for several enrichment plants.

finishing

Leveling, smoothing, compacting, and otherwise treating surfaces of fresh (or recently placed) concrete or mortar to produce desired appearance and texture.
References in periodicals archive ?
These cost analyses showed that using the zirconia alumina product could save the foundry 25-30% in wheel and finishing costs.
Gray and ductile iron castings, conversely, are usually made in larger quantities on a wide range of molding machines, and show up in the finishing room in much larger batches of the same casting.
So it's no wonder that metalcasters looking to improve their workflow are inclined to shy away tom finishing and look first at their molding and coremaking.
As far as finishing a dance goes, dance is malleable and exists only when it's happening, so I can't think of a piece that I didn't retool every time I get back to it.
Another is finishing the marathon, regardless of time.