Jul 31 2020018332Milling and froth flotation methods are quite common when dealing with slow cooled slags Before flotation the slag needs to be cooled in a controlled manner There are multiple options for this such as natural cooling casting mill cooling water quenching and slow cooling in a ladle.Get Latest Price
The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper The phases and composition of the slow cooled slag were analyzed The factors which affected the copper recovery efficiency such as grinding fineness pH value of flotation medium different collectors and floating process were investigated.
Flotation tailings of copper slag may contain copper as well as significant amount of cobalt and other metals Some researchers studied the extraction of metals from flotation tailings of copper.
Mar 15 2019018332In terms of copper recovery it is thus quite important how the copper slag has been processed and cooled post the smelting or converting furnace EF and prior to the milling and flotation step Far less important in this respect is the actual smelting and converting technology upstream of the slag cleaning step.
Slags are sometimes treated by slow cooling milling and flotation This approach is satisfactory when the metals in the slag are in either the sulphide or metallic form but.
Approximately 12 million tons of copper slag is produced every year and the amount of accumulated waster copper slag reached 140 million ton by 2015 in China 6 Generally copper slag contains about 3545 wt iron and 0 51 5 wt copper indicating that it is a valuable secondary resource for recycling and utilization 3.
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In the past few years methods like flotation 7 8 leaching 9 10 and bioleaching 11 have been proposed Milling and froth flotation methods are quite common when dealing with slow cooled slags.
Droplets 6 into account conventional slag cleaning techniques 7 such as slow cooling of the slag followed by milling and flotation 8 already cannot efficiently recover valuable metals lost in slags 9 10 These problems have been studied by some investigators2 4 7 11 14 The research results 15.
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A process for controlled slow cooling of non ferrous smelting slags such as copper slags for the recovery of the non ferrous metals contained therein by subsequent crushing milling and flotation operations is disclosed The process comprises the steps of pouring the molten slag into a ladle allowing the slag to slowly cool and solidify in the ladle at least to the point where a shell is.
Mar 01 2004018332For an air cooled slag at optimized conditions 72 of copper was recovered in one stage flotation and a 12 6 copper concentrate was achieved The best recovery efficiency was obtained when 30 gt R407 was used as collector It was found that recovery was also affected by the cooling rate of molten slag and increased up to 84 when the slag.
Mihajlovi The effect of cooling rate of slag from primary copper production 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation Table 1 Copper content in flotation tailings in different smelters Smelter Cu Almalykskii Russia 0 27 Garfield USA 0 48 Guixi China 0 50.
VM Vertical Roller Mill adopts reliable structure and reasonable process flow integrated with drying milling classifier elevator Especially it can fully meet the requirement of clients of the high production of powder and its main technical and economic indicator reaches the international level froth flotation slow cooled copper slag.
Slag mill slag grinding machine slag processing plant 1 First slag into the dryer for drying 2 Into to pulse dust collecto 3 The slag is fed by a screw conveyor vertical milling machine After grinding the material layer using the principle of slag grinding polishing Slag can reach 250 mesh 350 mesh using cyclone income product dust collectionget price.
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There the magnetite in the converter slag is reduced and converted with a silica flux addition to a ferrosilicate slag with the copper being decreased to 0 5 weight percent or less In recent years there has been a move toward recovering copper from converter type slags by milling and flotation.
Techniques such as slag cleaning slow cooling of the slag followed by milling and flotation are inappropriate for cobalt recovery from converter slag 78 Cost sheet for ore gold mining machine in india What is the Cost of Mining Gold Visual CapitalistMay 21 2013 Weve analyzed the Top 50 Gold Mines to find the cost per ounce of gold by.
ABSTRACT OF THE DISCLOSURE A process for controlled slow cooling of non ferrous smelting slags such as copper slags for the recovery of the non ferrous metals contained therein by subsequent crushing mil ling and flotation operations is disclosed The process compri ses the steps of pouring the molten slag into a ladle allowing the slag to slowly cool and solidify in the ladle at least to.
Copper can be lost from the matte in three ways as cuprous oxide Cu 2 O dissolved in the slag as sulfide copper dissolved in the slag or as tiny droplets or prills of matte suspended in the slag milling and flotation of slow cooled copper slagCopper Slag Flotation Azzurrosportingclub It Popular Searches copper flotation from converter.