1125 million ounces of gold per annum first 5 years 24000 tpd utilizing 4 autoclave trains 230°C operating temperature 40 bar g operation pressure 500 kt Syr design sulfuroxidation capacity Largest autoclaves in the world by weight 2178 tonnes 4000 tpd ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.Get Price
Capacity: 0.18-7 (m ³/min)
Suitable Materials: Limonite Ore,Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.
Major Equipment: Jaw crusher, ball mill, sprial classifier, magnetic separator, concentrator machine and dryer machineRead More
Production Capacity: 200,000-500,000 tons per year
Component Parts: Material storage tank, sand dryer, batching apparatus, mixer, dry powder packing machine, dust collector and conveyor.
Application Fields: To produce single component and multiple component mortar products such as dry-mixed mortar, water proof mortar, adhesive mortar, plaster anti-crack mortar and hollow glass bead inorganic thermal mortar.Read More
Production Capacity: 50-800TPH
Application Field: Hydropower, building material, highway, city construction, metallurgy, coal mining and so on.etc.
Applied Materials: Granite, basalt, bank gravel, bauxite, cement clinker, quartz silicon carbide,limestone, river stone, etc.Read More
1125 million ounces of gold per annum first 5 years 24000 tpd utilizing 4 autoclave trains 230°C operating temperature 40 bar g operation pressure 500 kt Syr design sulfuroxidation capacity Largest autoclaves in the world by weight 2178 tonnes 4000 tpdMore Details
Pressure Oxidation Pressure oxidation is employed to liberate gold and silver in refractory sulfide concentrates often and ores The main pressure oxidation products from iron sulfide minerals are sulfuric acid and metal sulfates and hematite Depending on the conditions within the autoclave acid containing iron compounds can be formedMore Details
The autoclave process is important to Barrick for the extraction of gold The Company has operated successfully a 750 ton per day unit at its Mercur property for the past two years and more recently has commissioned a 1500 ton per day unit at Goldstrike The paper presents data relative to operating costs materials of construc tion for autoclaves and peripheral equipment reagent requirements and changes required during commissioning for both autoclaveMore Details
Pressure oxidation of pyritearsenopyrite refractory gold concentrate 103 Autoclave oxidation tests were conducted in Büchi ecoclave model 075 titanium autoclave The total volume of the autoclave vessel was about 11 dm3 and it was equipped with magnetic agitation unit gas inlet and outlet and sampling system withMore Details
May 01 1996 · Finally the ore was treated by simultaneous oxidation and gold dissolution within an autoclave using a O 2 H 2 SO 4 HClNaCl system The results revealed that at temperatures between 180–200 °C between 15 to 2 hours was required to attain sulphide oxidation and attendant gold recoveries in excess of 90More Details
autoclave pressure oxidation gold au grinding mill china MSC Industrial Supply Co MSC Industrial Supply Inc is a leading North American distributor of metalworking and maintenance repair and operations MRO products and services With over 75 years of experience MSC is dedicated to helping customers drive greater productivity profitability and growthMore Details
in Australia and New Caledonia and the most recent plant Ambatovy in Madagascar Sulfide Pressure Oxidation Pressure leaching of sulfide ores is complicated by many items such as sulfur viscosity and the passivation of reactive surfaces “Low” temperature conditions 100o C to 140o C are generallyMore Details
Slurry from the grinding circuit at approximately 35 solids and 8085 passing 135 mm is pumped to three thickeners Thickener underflow at approximately 54 ww solids is pumped to a train of four acidulation tanks Sulfuric acid is added to the slurry to destroy sufficient carbonate prior to entering the autoclave circuit Process air is also injected into the acidulation tanks to aidMore Details
In BIOX and pressure oxidation all of the acid must be neutralized resulting in a large operating cost limestone and lime and a significant volume of anhydrite precipitate that must be disposed of whereas in roasting acid is a saleable byproduct with gold recovery of 60 to 70 Maximum Au Ag and sulphide recoveries of 70 45 and 89More Details