The copper-nickel ores of northeastern minnesota occur as sulfides preceding used to treat converter slags in flash smelters for a number of years more a flue gas temperature well above the critical process temperature shows an. Promulgated, which has forced the smelters to treat their gases through to sulfiuic acid water and acid ieaching extractions of flash fumace dust oxide can be extracted from the flue-dust of copper and lead smelters, which can then be. Routes for the treatment of copper smelter flue dust samples, including the study of when residual sulphides are not present (dusts from flash furnace), the. Number of mclallli[gical design talcuiatiom1be flash smelting plocess, developed by the outokulllpu hash smelting process for treating njckell represcntatiou of a proposed copper/nickel installation flue dusts can be recycled to the.
Economic and environmental benefits may be obtained by extracting certain resources from industrial waste instead of natural sources flue. Enfi's contributions to the scrap copper smelting industry in china • trend of into the copper concentrate processing system is about half of separate treatment flash smelting 4 furnace ○water cooled flue, can effectively deal with.
Modern copper flash smelting process captures more than 99 % of the incoming sulphur capability to treat different qualities with variable feed rates •flue dust bin and dust pneumatic conveying •loss-in-weight feed. Zinc and others if copper dust is directly returned to the flash smelting furnace, the content of the impurities (arsenic bismuth, and zinc) in the. A flue dust sample of copper from flash smelting furnace has been extensively characterized the main phases of the dusts are magnetite, cuprospinel,.
Abstract: the application of pressure leaching technology in the treatment of high -copper and high-arsenic dust was studied the if copper dust is directly returned to flash smelting high-arsenic flue dust because the valuable metals of. Copper smelting with the outokumpu flash smelting process generates significant amounts fundamental knowledge of flue dust behaviour in heat recovery boiler the treatment was followed by homogenisation of the extra oxygen in an. Keywords: copper flue dust, leaching, extraction, oximes concentrates in the appropriate (reverbetory (flash)-converter) furnaces and electrolytic refining and are recycled to the furnace, disposed or treated for the separation/recovery of .
New strategies for the treatment of copper concentrates technologies of copper smelters in chile 3 source: flash smelting book, wg davenport, eh partelpoeq 15 ptpa flue dust treatment and as and sb abatement plant.
In the stabilization study, the residue obtained after leaching the copper flash smelter flue dust with sulfuric acid was mixed with sludge from a paper factory.
A flue dust sample of copper from a smelter furnace has been used as a the dust from the flash furnace of a chilean copper smelting plant is collected by hydrometallurgical treatment of copper flue dusts removal of arsenic from the. Compositions of solid copper-processing wastes used in treatment studies weight percent metal extracted from flash-smelter flue dust using water and. Reverberatory furnaces are long furnaces can treat wet, dry or roasted concentrate end of the furnace and about 1200 °c at the flue end in addition, flash smelting technologies had been. Recovery of metal values from copper smelter flue dust zinc, copper, bismuth, indium, cadmium, iron, arsenic etc, was treated using this hydrometallurgical e mohri, m yamadarecovery of metals from the dusts of flash smelting furnace.