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recoveryof gold and silver fromtin-richslag: mineral

The slag is mixed with NaCl, NaOH and/or Na 2 CO 3, and roasted at 400°C ∼ 800°C to obtain calcine containing water soluble salts of tin and antimony. After leaching with water, the residue consisting of PbO, Au, and Ag is sent back to extract gold and silver with current techniques in the plant. Tin and antimony in the liquor are also recovered separately

recoveryofmetal values from copper slagsby flotation

The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing 1.24% Cu, 0.53% Co and 53.16% Fe were subjected to an experimental study. Two different routes were followed to recover the metal values. The first route was roasting the slag with pyrite followed by leaching

method and apparatus for the smelting and fuming oftin

A method and apparatus for the reduction and fuming of tin concentrates, tin slags and other tin bearing materials in a closed submerged arc furnace provided with a stirrer which acts to stir molten slag in the furnace to produce a vortex acting to transfer hot slag from the vicinity of the tips of the furnace electrodes to the vortex region, the furnace being constructed to permit

10tphtinoreslagbeneficiation processingplantin

1. Mineral type: Tin slag after smelting 2. Tin concentrate size: 0-3mm 3. Composition: tin 1.38%, ilmenite 7.29%, hematite 11.6%, tantalum niobium 7.41%, tungsten 2.13%, silica sand 11.5% 4. Contains stone, mud, oil. Customers requirements: Mainly separate the tin, increase the tin concentrate grade as much as possible; Pick out magnetic minerals

about alluvialtinextraction andtinenrichment equipment

Extraction of tin from alluvial tin ore is similar to placer gold enrichment. Generally, gravity separation can help gain great enrichment efficiency with its high recovery rate. For big mineralliberation degree tin ore, easy screening and washing separation can gain high grade tin concentrate. For small mineral liberation degree tin ore, further milling by ball mill or rod mill will be needed

gold smelting & refining process

The process is based in the fact that lead can be oxidized at high temperatures and precious metals no. under this consideration, the separation is possible. The initial temperature is 860-880 oC and the final is at 900-920 o C. Cupels must be capable of resist high temperatures, absorb oxides, but no liquid metals

lead harris/parkes refining drossrecovery-lead

Complete separation of Te, As, Sn and Sb is accomplished by chemical methods in a leaching plant. Apart from conventional dross treatment methods, Metalcess focuses on treating tin slag from Harris refining process, silver-zinc crust/silver foam from Parkes process and lead anode slime treatment

recoveryof niobium and tantalum by solvent extraction

The recovery of Sn was >95% with a purity of 96%. A slag equivalent to 25% of the mass of the initial concentrate was produced during the recovery of the Sn. This slag could be used as a secondary raw material for obtaining Nb and Ta. In this paper a method for obtaining oxides of niobium and tantalum from the slag is described. Materials and methods

simple jigs fortinand tantaliterecovery

Recovery of Fine Cassiterite from Tailing Dump in Jarin . Fig. 2. Apperance of Palong, Primary Jig and Secondary Jig. Dressing of tin ore and associated byproduct minerals a Simple practice This simple practice has been the basis for cassiterite dressing for a very longtime

tin slagas analternative source to recover refractory

Tin smelters produce considerable amount of slags along with metallic tin. This slag can be turned in to a valuable by-product if the refractory metals like niobium, tantalum, zirconium and

tin processing - mining and concentrating| britannica

Tin processing - Tin processing - Mining and concentrating: Vein deposits, such as those in Bolivia and the United Kingdom, usually occur in granite formations and are recovered by conventional underground hard-rock mining techniques. In deep mines, primary crushing equipment is usually located underground in order to reduce the ore to a manageable size before transportation to the surface

separating and recovering pb from copper-rich particles of

Waste printed circuit boards (WPCBs) are treated by crushing and electrostatic separation to obtain the copper-rich particles. However, the copper-rich particles contain a certain content of solder, which may cause Pb contamination if improperly treated. The separation behaviors of Pb from single solder and solder mixed with Cu particles under vacuum are studied in this work. Due to the

recycling of metals / special solutions

Whenever metals are involved, our machines and plant solutions which are perfectly tailored to the material demonstrate their strength. When it comes to the separation of composites, the ADuro QZ shredder disintegrates these in one step. In all other cases, our cutting systems ADuro C shredder and the ADuro G shredder work precisely and reliably

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