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This work investigated the effect of feed dilution on thickener performance for copper flotation tailings. ... heat exchangers, refrigeration tubing, etc. Copper ore is primarily beneficiated from ...
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Thickener Sizing Calculator valid for settling thickeners, high rate thickeners, and clarrifiers. Exit Thickener Calculator. Process Input. Parameters. Value Units. ... Mechanical Design. Description. Value Units. Drive Motor Speed: [rpm] Rake Tip Speed: [m/min] Rake Drivetrain Efficiency:-
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1.Product Application of Mineral Copper Solid Concentration Thickener Concentrator applies to the dewatering work in the beneficiation operation of ore concentrates and tailings slurry, it is also used to concentrate and purify various solid slurry in coal, chemistry, building material, water source and sewage treatment industry, etc.
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Calculate the thickener area required, in m 2 /t/day for the following conditions: C o = 50 kg / m 3 pulp C u = 340 kg / m 3. 14.5. A settling curve of a 15% solids (by mass) copper concentrate pulp is shown in the graph below. Estimate the thickener diameter required to dewater this material to an underflow of 55 % solids (by mass) at a …
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Further, in Chile (Galvez et al., 2014) the water consumption of the copper mining industry in 2016 will be 576.2 Mm3; this represents an increase of 47% over the consumption level in 2012. As a result, several mining companies have started to use seawater in their operations and have also improved their water recycling systems …
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The safe environmental disposal of sulphide-rich copper/zinc mine tailings is fast becoming a major economic factor in determining the profitability of mining operations.
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High Rate & Conventional types / Hydraulic & Mechanical Drives. EIMCO-K.C.P. Thickeners are designed for continuous operation in metallurgical, ore processing, Chemical Industries and also for the water treatment plants. Equipments are designed to accommodate the more sophisticated processes with emphasis on dependable and low …
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If, for some reason, the thickener's settling rate is too slow, as in the case of the grind being so fine or you are dealing with clay rich ore and now the concentrate stays in suspension. The thickener could be …
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10 Paste thickeners Thickeners and clarifiers The 2nd Generation PT has a high sidewall and steep floor slope. With integrated automation, it reacts to changing process …
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As the rakes are turned by the drive shaft they cause the concentrate that has settled onto the bottom of the thickener to be pulled into the discharge chamber at the centre of the thickener. This is called the CONE. It is from this cone that the thickener underflow is taken. During normal operations of the circuit, the thickener may be pulled ...
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4. Bulk (Copper-Moly) Thickener. A high-rate thickener dewaters the bulk of copper-moly concentrate before more separation. 5. Moly Flotation. The moly flotation circuit has similar groups of flotation cells with chemicals to float the molybdenite (moly concentrate), and settle out the copper sulfides (copper concentrate). 6. Copper Thickening ...
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and reducing thevolume offine refuse for subsequent mechanical dewatering ordisposal. Thesolids flux curve is used to model the process of continuous sedimentation. It is employed mainly in design calculations to determine the required thickener area, the most important design parameter, and ultimately the maximum
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4. Bulk (Copper-Moly) Thickener. A high-rate thickener dewaters the bulk of copper-moly concentrate before more separation. 5. Moly Flotation. The moly flotation circuit has …
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How a Continuous Thickener Works As a feed stream enters the thickener, the solids settle to the bottom. Clarified liquor overflows to the top and settled solids undeflow is removed from the bottom. The following illustration shows a cross section, schematically illustrating the operation of a continuous thickener.
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1. Introduction. As the basic material for human survival and development, mineral resources have been continuously mined, processed, and metallurgically smelted for thousands of years [1].The coal, gold, silver, copper, iron, nickel, cobalt and other mineral resources obtained from this are widely used in energy, construction, electricity, …
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Table of Contents At start-up, the relatively high level of feed solids, 17-20%, called for in design led to difficulties in achieving the degree of flocculation necessary to meet required settling rates. It was recognized that decreasing feed solids would improve thickener performance while reducing flocculant consumption (Figure 2). This was …
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A thickener/clarifier drive unit supplies the torque to rotate the rake arms through the thick sludge. The drive is usually made of cast iron because of its durability. Usage Examples. Thickeners and clarifiers are often used …
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Tailings dewatering and disposal is a challenge that every mining operation has to deal with. The Outotec 2nd Generation Paste Thickener is designed to maximize underflow density regardless of challenging mineralogy and tailings feed rate variation. It enables consistent and efficient dewatering performance – even with changing process ...
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PROCESS FLOWSHEET DESCRIPTION: Continuous counter-current decantation cyanidation flowsheet. ORE TREATED: Gold and silver ores amenable to the cyanidation process and where economics justify plant outlay. ADVANTAGES: By producing the precious metals in bullion form, the highest net return is realized on many …
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Pressure transmitter, Rake Torque, Sonar Transmitter. Tailings Thickeners are extremely important, to the efficient operation of Concentrators, Coal Preparation Plants, and other mining and mineral industry applications. Tailings Thickeners are used to settle out suspended solids and return the clear water to the process.
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For raking modelling, Rudman et al. [9,34,35] investigated a range of raking efficiency measures (e.g. ratio of rake delivery, drag forces, and underflow rate). In general, the early three-dimensional CFD thickener modelling work has revolutionized the understanding of the thickener and advanced the thickener development [5,19,30,36,37].
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From a process perspective alone, high-density and deep cone thickeners have a clear advantage over high-rate thickeners. Because of the wide variance in metal values between processes (e.g. copper leach versus gold/silver), we did not attempt financial assessment of recoveries with different thickener options.
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Beginners guide to thickeners. Thickening is a process where a slurry or solid-liquid mixture is separated to a dense slurry containing most of the solids and an overflow of essentially clear water (or liquor in leaching processes). The driving force for the separation is gravitational, where the …
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The success of the Improving Thickener Technology team was acknowledged in 1999 when the team, led by Dr John Farrow, was awarded a CSIRO Medal for Research Achievement. Thickeners ' a mysterious black box. Most of the world's minerals pass through solid-liquid separation in a thickener at some point in their …
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The underflow gangue (waste) from the rougher and scavenger cells flows to a tailings thickener to recover water for the process. Filters dewater these tails further, or a tailings pond stores them. 4. Bulk (Copper-Moly) Thickener. A high-rate thickener dewaters the bulk of copper-moly concentrate before more separation. 5. Moly Flotation
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Provides mechanical and performance guarantees for the entire plant unit, with clear battery limits for engineering and implementation. ... Meanwhile, there are many determining factors for the copper ore flotation process, like the mineral disseminated particle size, the associated relationship with quartz rock, and the gangue mineral types ...
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Copper rod, photo courtesy of Southwire Company, LLC In the most challenging applications, reliable ... High-rate bolted thickener for iron ore, 18 m in diameter. 8 High-rate bolted thickener for Pb/Zn tailings, 35 m in diameter ... 600 mm, electrical tripping, and mechanical safety stop (either pressure-relief valve for hydraulic or clutch for ...
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Restore your thickener to its original condition or upgrade for increased performance. Improve performance and extend the life of equipment by upgrading your aged thickener. The thickener bridge and mechanism are often upgraded in conjunction with the entire feed system. Upgrading these mechanical elements helps you to cope with new
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Most McLanahan Thickeners (but not all) incorporate a low profile rake design with or without dewatering pickets, and the rake drive is powered either by a hydraulic power pack or direct coupled electro-mechanical …
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2.1 Middle Thickener of Molybdenum Plant of Sungun Copper-Molybdenum Complex. Sungun Copper Mine and Complex is located northeast of Iran with geographical coordinates of 46° 43′ east and 38° 42′ north. Sungun ore deposit is of copper-molybdenum porphyry type, containing more than one billion tons of sulfide ore with a …
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