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Outokumpu Lead and Zinc Mine Mining Technology
Boliden's Odda and Kokkola zinc refineries, both formerly owned by Outokumpu, and the remainder ... followed by zinc. The flotation circuit includes 18 Outomec OK-38 and eleven OK-8 cells. Each concentrate is ... zinc and 1.6% lead, and recovered 358,563t of 54.6% zinc concentrate plus 44,528t of lead concentrate grading 57.6% Pb. The contained metal tonnages were 195,843t of zinc ...
www.mining-technology.com

Noranda Lead and Zinc Mine Mining Technology
In the bulk circuit, combined lead and zinc is floated, producing a concentrate containing 39% zinc and 19% lead. The copper concentrate contains 23.5% copper and the zinc concentrate contains 52.5% zinc ...
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MRF > Latin America & Caribbean > News
Antamina copper-zinc mine in Peru, Noranda Inc. said last week, but production of concentrates was not affected ... metres (16,000 feet), is expected to produce 330,000 tonnes of copper concentrate and 380,000 tonnes of zinc concentrate in 2002. In Peru, the mine's operators said Santos Leonardo Tantarico ...
www.natural-resources.org

ECNT » Media Releases » Mining » 2005 Minister needs to check his own Government’s policy on new NT uranium mine
McArthur River mine which rendered it unprofitable – principally the cost of transporting the lead/zinc concentrate overseas and even the overseas smelting costs[1] “The end result of these complex ... ] MIM’s 2002 Annual Report states: ‘Both the McArthur River and Mt Isa lead-zinc mines are world competitive in terms of on-site operating costs but off-site realisation ...
ecnt.org

BIOMINET Proceedings : Mining Effluent Technologies
(R. Brousseau et al.) Bacterial assisted leaching of zinc ore (V. Sanmugasunderam et al.) Biological destruction of cyanide in Canadian mineral-processing effluents ... Marchant et. al.) Comparative economics of bacterial leaching and roasting for an auriferous pyrite concentrate (S.R. Gilbert et. al.) A new biotech process for refractory gold-silver concentrates ...
www.nrcan.gc.ca

...:: VOL. 3, NO. 2, 2003 ::...
VOL. 3 NO. 2, 2003 Solvent extraction of cobalt and zinc from sulphate solutions using phosphoric, phosphonic and phosphinic acids by K.C. Nathsarma and P ... of by-Pass Cement on the Production of Sodium Chromate from Pellets Containing Chromite Ore Concentrate and Soda Ash by Y.M.Z. Ahmed, F.M. Mohamed, N.A. El-Husseiny ...
ejmpep.com

Batteries | Municipal Solid Waste (MSW) | US EPA
When incinerated, certain metals might be released into the air or can concentrate in the ash produced by the combustion process. One way to reduce the number of ... , each person in the United States discards eight dry-cell batteries per year. Alkaline and Zinc-Carbon Batteries Alkaline batteries, the everyday household batteries used in flashlights, remote controls, and other ...
epa.gov

IPCS INCHEM - Joint Expert Committee on Food Additives (JECFA) - Monographs & Evaluations
(WHO Food Additives Series 5) 289. Tocopherol, alpha- and mixed toxopherols concentrate (WHO Food Additives Series 5) 290. Acetic and fatty acid esters of glycerol (WHO Food ... Food Additives Series 17) 552. Tin and stannous chloride (WHO Food Additives Series 17) 553. Zinc (WHO Food Additives Series 17) 554. Introduction (WHO Food Additives Series 18) 555. Acesulfame potassium ...
inchem.org

Eco Friendly Lake Weed Control - Earth Friendly Pond Weed Control
Gallon 5 Gallons Microbe-Lift® Concentrated Barley Straw Extract Liquid concentrate barley straw extract specially formulated to naturally balance pond water and improve clarity. ... other dechlorinators do. Dechlorinator plus will render toxic pollutants harmless (including iron, copper, lead, zinc and free iodine). Use with your regular partial water changes and when replacing ...
www.lake-aeration.com

Welcome to APSI.
(RO) reject, landfill leachate recovery, deionizer spent regenerant concentration, brine concentration, brine concentrate, ethylene glycol recycle, ethylene glycol refortification, anti-freeze recycle, anti-freeze refortification ... including iron from chromic acid, iron from zinc sulfate, iron from trivalent chrome, and copper, lead, zinc, nickel, cobalt, from various wastewaters; utilization of ...
liquidsolid.com