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 ?
The new control system helps automate finishing processes and eliminates many manual operations like, for example, the manual adjustment of the machine settings.
The company said that Mass Finishing brings new dimensions to its current product and service offerings with the addition of high-energy centrifugal barrel finishing systems which will complement its Almco unit's vibratory finishing systems.
These samples were divided into 4 groups with 6 samples each and were subjected to finishing sequence accordingly.
* Spin-On finishing flap brushes that are designed with the benefits of general-finishing flap brushes but feature a 5/8 inch-11 threaded adapter for quick mounting on a variety of hand tools.
The Morpeth Harrier produced another satisfactory performance as the 8.9km contest was dominated by African athletes, who filled the top nine places, with recent European Cross-Country champion, Sergey Lebid (Ukraine) finishing in 10th position.
The Harriers also ran successfully in the Middlesbrough 10k Run, with Lewis Gamble-Thompson finishing in sixth place in a time of 32.01, closely followed home by Shaun O'Grady in ninth in 32.41.
Successful deck finishing depends on understanding crucial factors that aren't obvious (and rarely explained fully) on product labels.
Bring us ideas for columns on surface finishing, and we'll have an honest-to-goodness debate, here in our own small world of PCB manufacturing.
Drawing on his 40 years of research and practice, Gillespie still maintains sympathy for the novice as he covers 16 basic mass finishing processes, including statistical charts based on on-site measurements, explanations and case studies.
"Industrial Wood Finishing 2006: Making Water-Based & Other Compliant Finishes Work," is being independently organized by the Centre for Advanced Wood Processing at the University of British Columbia and Wood & Wood Products.
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.