Apr 18 2021· Problem with gold recovery from sulphide ore How may a mill get the maximum recovery of gold from a sulphide ore at the least capital cost and at the same time obtain the highest net latter point is most important In many cases a gold mill using an all cyanide flowsheet with fine grinding of all the ore will report very low gold content in the tailings particularly on an
Get PriceIf the shaker table tailings are too coarse they can be classified with a spiral classifier and the over sized discharge returned to the ball mill for additional grinding When concentrating gold ore our shaker table will get a high percentage of the free gold >325 mesh even down to less than 400 mesh equaling or out performing any table
Get Pricegold ore % in tailings greenmountainpta Tailings Wikipedia Tailings also called of an ore Tailings are distinct Research at the Porgera Gold Mine is focusing on
Get Price1 The ore is first reduced in size typically 90% passing 200mesh to ensure that all non refractory gold is readily accessible for cyanide leaching There are several variations of comminution circuits used in the gold leaching industry such as Multi stage crushing then ball milling circuits typical of ball mill
Get PriceJul 06 2021· Re election process using jiggle shaker process the process sequence is in the ball mill and the grading machine between the installation of a jig jigging products by the pump to the shaker for selection you can get Mao The shaker tailings are returned to the ball mill and then ground Second sand gold ore dressing equipment
Get PriceA gyratory crusher reduces the ore to minus 15 20 centimetres The ore is then fed to a coarse ore stockpile from which it is reclaimed for grinding first to a semi autogenous SAG mill and then to a ball mill which together reduce the grain size to 80% passing 140 microns
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Get Price· Ultra fine grinding of the plant tailings of a refractory silver ore was studied using a laboratory type vertical stirred media mill Preliminary tests confirmed that ultra fine grinding substantially improves the extraction of silver from the tailings in cyanide leaching 36% Ag extraction rate from the as received tailings with d 80 of 100 μm 84% extraction rate after ultra fine
Get Price26/05/2021 · There is a copper gold ore tailings with lower grade copper gold content copper grade % gold / t The inlay size of the tailings is fine But on account of the large processing capacity copper gold and gold Granular monomer gold is very valuable for recycling among the coarse grained grades
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Get Pricethat the ore is refractory and contains free gold and gold telluride associated with pyrite and chalcopyrite Figure 1 Gold grains are very small mostly 5 μm and are seldom larger than 15 μm in diameter The Mouteh processing plant is fed with sulphide and oxidized ore from nearby mines Sinjedeh and Chah Khatun The nominal plant capacity is 600 tpd The run of mine ore is crushed
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Get PriceThe concentrator incorporated four closed circuit ball mills operating in parallel to feed two separate flotation circuits Nickel concentrate was taken by road to the rail head at Malcolm then by rail to Kal goorlie In 1982 two of the mills were converted to goldore processing and a r oaster for gold concen
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Get PriceSep 26 2021· Posted September 24 2021 There is a very old and very large old gold mine Stamp Mill I am interested in reprocessing some of their tailings I am thinking about gathering some 5 gallon buckets of it and running it through my 5 gallon tumbler with a few crushing balls and mercury Then retorting the mercury
Get Price10 Indications of the importance of monitoring the gold content in the tailings stream at turn of the 20th century gold milling operations may be seen in Edward B Preston California Gold Mill Practices California State Mining Bureau Bulletin No 6 Sacramento State Mining Bureau 1895 48 51; Henry Louis Handbook of Gold Milling 3rd ed
Get PriceMineral Ore Type Gold tailings Raw Ore Grade 6 10 g/t Final Product 99% gold ingot Recovery Rate 93% Plant Capacity 1500 t/d/line 6 lines Technological Process material screen sieving ball mill grinding & classification CIL electrowinning & carbon regeneration smelting The gold tailings resource is abundant in Sudan and with very good average grade 6 10 grams per ton The owner
Get PriceDry ball mill is a key equipment to grind the crushedfor tailings re election Inquire Now; gold ore tailing grinding and prosseing gold ore tailing grinding andas described by tailings suitable for leaching for recovery of copper and gold into high grade SAG mill grinding media is addedInquire Now; Grinding
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Get Price16/01/2021 · Some of the tailings are from the cyanide/carbon process other talings are from a ball mill mercury process I have taken around 50 kilos of each and run them through a popandson sluice I then assayed the concentrate which gave us a more than decent return I am not a chemist or even an expert with gold mining
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Get Price· Ultra fine grinding of the plant tailings of a refractory silver ore was studied using a laboratory type vertical stirred media mill Preliminary tests confirmed that ultra fine grinding substantially improves the extraction of silver from the tailings in cyanide leaching 36% Ag extraction rate from the as received tailings with d 80 of 100 μm 84% extraction rate after ultra fine
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Get Price· Siliceous gold ore tailings were ground at different durations in a planetary mill to improve their pozzolanic activity Two different type of mixtures with minor addition of activator to excite the activity of mechanically activated tailings and a mixture of cement and tailings to determine activity index of tailings were prepared for tailing based cementitious materials including
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