blister copper


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blister copper

[′blis·tər ‚käp·ər]
(metallurgy)
Copper having 96-99% purity and a blistered appearance and formed by forcing air through molten copper matte.
References in periodicals archive ?
In 2012, blister copper and copper cathode produced by the Group amounted to 175,280 tonnes and 22,315 tonnes respectively, representing increases of 16.
The separation is made by allowing heavier material to settle The matte is then oxidized in the third stove or converting furnace to turn out blister copper (Cu: 98.
0% Ni) is flash smelted with oxygen in an Inco flash furnace to a matte of about 45% CuNi, then oxidized to blister copper in conventional Peirce-Smith converters.
Located at Saindak in district Chaghai of Balochistan province, the project envisaged mining, milling and smelting of Copper One for yielding an annual production of 15810 tonnes of Blister Copper, 1.
The sources said the mineral deposit found in the project area contained copper, gold and silver, adding that the ore was processed to produce blister copper.
Except for Saindak with an output of 16000 tons of blister copper, there is no sign of large-scale mining, benefiting from foreign capital and technology.
Previously, two reverb furnaces were required to produce 62,000 t/y of blister copper.
a public sector organisation of the Ministry of Petroleum and Natural Resources, is engaged in mine development at Saindak, Balochistan to exploit and process the 412 million tonnes copper-gold-silver ore to produce 15,810 tonnes of blister copper, 1.
6 percent higher than 2001; however, blister copper production decreased 3.
Over the period under review, the molybdenum concentrate output rose by 13% to 6,750 thsd tons, blister copper output - by
2 million tonnes of copper concentrate, with an output of 300,000 tonnes per annum of blister copper.
Last year, the plant recovered 79,735 t of blister copper which was refined further at the electrolytic refining plant, together with other copper-bearing materials purchased from outside sources, for a total output of 83,700 t of cathode copper.