·A large amount of thermodynamic information on reactions in a system of three components can be presented on a single graph by the use of predominance area diagrams [1] For the Cu S O system such a diagram is shown in Figure for a temperature of 1000 K When the sulfide CuS or Cu 2 S is oxidized by O 2 a gas phase is first consider
PASAR s % pure electrolytic copper cathodes branded as PSR Isabel have meet international standards and approved by non ferrous metals market Using the smelting process we turn copper concentrates into copper anodes which has a % pure copper in it Moreover we transfer the copper anode into the refinery for electrorefining to
·The converting process is a crucial step in copper production where copper matte from the smelting stage is refined into blister copper During this process sulfur and iron are removed to increase the copper content Blowing Air Through Molten Matte The process starts by transferring the copper matte into a converter furnace
·Before dwelling in on our business process get to know the meaning behind our logo The logo of PASAR has a mother figure on it because when copper concentrate is turned into copper cathode using the smelting and refining process it also produces other precious metal by products like a mother giving birth This is what PASAR does
·A surge in global smelting capacity combined with production setbacks at major mines has intensified competition for copper concentrates Glencore acquired Pasar in 1999 and has since expanded its capacity to process million tons of copper concentrate annually producing approximately 200 000 tons of LME branded copper cathodes each year
·The tightness of the scrap market has forced firms to consume more copper cathode Copper availability has been plagued during the past year by strikes planned shutdowns and maintenance repairs It is rumoured that the 220 000 tonnes per annum tpa Pasar operation in the Philippines may encounter a work stoppage CRU 2003
Refining After the smelting process the refined copper anodes are placed between permanent cathode plates inside an electrorefining cells During this process the direct electric current causes the copper elements in the anodes to dissolve ionize and migrate through the electrolyte solution and deposit as pure copper into the stainless steel plates This process continues from
·Copper industrial minerals include natural copper chalcopyrite chalcocite tetrahedrite azurite malachite etc Chalcopyrite a compound of copper sulfur and iron is mined mainly followed by chalcocite and bornite If copper ore wants to be fully utilized it must be processed by flotation Flotation separation is an important copper ore beneficiation process in
Raw Material Supply From the start of our operations in 1983 we sourced all our concentrate from copper mines in the country However due to the closure of most local copper mines in 1987 we are compelled to secure our supply abroad
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