factors in coal high rate thickener
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MIP Thickener Design
MIP Thickener Design The following is a short cut to designing your own thickener: (a) Size of Thickener As a first stab we can either use the thickener flux (m2/tpd) or the rise rate, depending if solids loading is the dominant (eg.
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Treatment of coal tailings - ScienceDirect
Most thickeners operate with all three regimes present – certainly in any high rate thickener where feed dilution is used. One of the regimes will be the ‘rate determining step’ and this, together with the requirements of the process performance, will be the factor that determines the size and design of the equipment. 16.2.2.
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Port Durnford: clay mineralogy effects in a thickener - SAIMM
evaluated using a pilot-scale high rate thickener. Samples representing different material types found in the Port Durnford deposit were tested. Results showed that the thickener solids flux rates for Port Durnford material are lower than that of Hillendale, which is …
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Pyrometallurgy Towards Clean Metallurgical Processing 2012
ers. Hence, for a given sluny rate, selection of a high Plint of the thickener. Much higher handling rate, ... following factors should be considered when Capital cost of thickener ... in an application for handling coal te capacity of a conventional thickener. On the other …
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MIXERS AND THICKENERS FOR THE MINING INDUSTRY ...
A Lightnin thickener in a coal thickening application. A further contract that has recently been awarded is for the design, supply, installation and commissioning of six high rate thickeners and clarifiers.
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Thickeners versus centrifuges a coal tailings technical ...
Both high-rate thickeners and dewatering centrifuges are used in the application of dewatering coal tailings. Both applications are well advanced and accepted as means to dewater coal. This paper compares a high-rate thickener to a solid bowl centrifuge with respect to numerous process, mechanical, electrical,
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thickeners & clarifiers - MIP Process Corporation USA
• High Density thickeners (deeper sidewall and more robust drive) • Paste thickeners • Ultra high rate thickeners Our units are available in a variety of sizes starting from 3ft diameter pilot scale to 300ft diameter. We have standard “off the shelf” designs available. Thickener tanks, rakes and feedwell’s are custom designed,
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Thickener For Coal Wholesale, Thickener For Suppliers ...
Alibaba.com offers 290 thickener for coal products. About 27% of these are mining thickener, 27% are textile auxiliary agents, and 27% are paper chemicals. A wide variety of thickener for coal options are available to you, such as free samples, paid samples.
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Improve Clarifier and Thickener Design and Operation
The thickener area is also required for this calculation. Guess the thickener area for the first iteration. Several iterations of area may be required to achieve a practical thickener size and pumping rate. For a circular thickener with a 15.24 m (50 f t) dia.: A= Pi r 2 = 182.4 m 2 (7)
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(PDF) Understanding the Thickening Process - ResearchGate
100 have been observed for selected materials in high rate thickeners. Whilst ... Understanding the Thickening Process B.J ... that one or more of the above factors may be prevalent. ...
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CLEANER COAL TECHNOLOGY PROGRAMME
modern, ‘high-rate’ thickener/clarifier designs, enhanced by the use of ... factors including coal characteristics, market requirements, local infrastructures and regional preferences. Accordingly, there is considerable ... of modern high-technology coal preparation plants throughout the world.
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HiFlo High Rate Paste Thickeners - WesTech Engineering, Inc.
HiFlo™ High-rate Thickeners Overview: WesTech HiFlo™ high-rate thickeners are used in many types of process circuits to separate liquids and solids at very high rates. They are highly effective in coal refuse thickening, gold recovery, CCD circuits, copper leaching, molybdenum processing and other mining and chemical flowsheets.
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tenova delkor thickeners - ichastaliklari2017.org
ThICKENERS tenova TENOVA RATE ThICKENER The DELKOR High Rate Thickener is a proven performer in a variety of different applications including minerals, industrial, chemical, water treatment and waste water industries.
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Thickening - Resource Book
High Rate Thickeners High rate thickeners are designed specifically to maximise the flocculation efficiency of flocculants. They differ from conventional thickeners in feed well design, size and control. Unlike conventional thickeners, high rate thickeners must use flocculants. The basic design of a high rate thickener is below.
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Design Considerations for a Tailings Disposal System | E & MJ
“If a high rate thickener represents $1 in cost, then a high density thickener would be $1.30, and paste would be $2.” As far as bang for the buck, high density is probably the way to go if it comes down to a dollar decision, Niederhauser explained.
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Paste Thickening and Backfill Mineral Industry Solutions
In underground mining, the WesTech Deep Bed™ Paste Thickener is an emerging option to the conventional solution of high-rate thickener/vacuum filter for paste backfill applications. There can be a number of factors which make paste thickening an attractive alternative.
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DEBOTTLENECKING OF THICKENERS IN A CHANGING …
White paper: Debottlenecking of Thickeners in a Changing Environment 4 1 Overview of the Thickening Process Thickening technology utilizes the principle of sedimentation as a cost effective method of solid-liquid separation. Sedimentation is used to thicken an incoming feed stream to produce two phases:
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The Quantification of an Overdesign Factor for Coal ...
Variations about an average value in the raw coal feed rate, proportion of minus 0.5 mm material, amount of out of seam dilution, and fine coal yield resulted in a large range of thickener feed ...
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4 x Flowrate 4 x 200 π Riserate - MIP Process Technologies
Say, we have a coal tailings application and testwork shows a rise rate of 2 m/h with a pulp feed flow rate of 200 m. 3 /h. ... A factor (Z‐Factor) is used based ... Therefore for a 12m diameter high rate thickener with the coal tailings duty, we can use medium duty (K‐Factor of 15) ...
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Australian Coal Operators use Paste Technology to Recover ...
At one major coal preparation plant, an Outotec paste thickener installation was designed to save water and also reduce the tailings space required. Outotec’s professional and credible test work program was a key factor in the subsequent award for Australia’s first coal paste thickener, explained Garraway.
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high rate tungsten ore mining thickener in tailing
Tailings from high gradient magnetic separators is fed to tailings thickener. Grinding mill with spherical ball charge are used in mineral processing plant to Some tests on a tungsten ore have shown that , compared to a double-disk The final tail is dewatered in a high rate thickener …
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CASE STUDY: STOCKTON COAL MINE - Outotec
contracted to deliver a high rate tailings thickener to meet the estimated production levels of 2Mtpa of high-value coal. Taking the remote location, inclement weather factors and the design criteria specified by Brightwater Engineering, (EPCM for the project) into consideration, Outotec proposed a 24m high rate tailings thickener
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Why high-rate thickeners are now preferred by the gold ...
The major implication of high rate thickeners for the mineral industry has been a significant reduction in capital cost. In the uranium or zinc industries for example, high rate thickeners can be half the cost of conventional units, as savings on stainless steel or rubber linings can be made.
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level control system of conventional thickener « BINQ Mining
The Delkor High Rate Thickener is a proven performer in a variety of different applications. … Delkor Conventional Thickeners · Delkor High Density Thickeners · Delkor … Flocculant dosing is controlled by means of a bed level detection device … handling/processing system and a SX/EW plant to Minera Antucoya in Chile …
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Optimized thickeners in coal preparation plants
The customer had multiple coal types that they processed through the coal preparation plant. Some of the coal types had different settling characteristics. This affected the tailings thickener efficiency and the ‘clarometer’ instrument, that tested settling rates in the incoming feed well, failed from time to time,
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Thickening expertise applied in coal maximises water ...
Paste and high rate thickening are emerging as a significant way to maximise water efficiency in Australia’s coal industry. Outotec has designed and installed the first-ever paste thickener in Australia’s coal industry and has won five further orders recently for paste and high rate thickeners.
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High Rate Thickeners - Solid Liquid Separation
Tailings from coal washing plants; Recycled water from aggregate washing . The Thickener Components. As mentioned previously most of the high-rate thickeners subassemblies are similar to those of conventional thickeners except for lifting devices that …
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Thickeners | McLanahan
Thickeners should be viewed as a continuous settling and thickening process. When the Thickener is in a steady state, the solids are being withdrawn at the same rate as which they are being fed.
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ACARP Abstract
Findings: Current practise at Australian coal preparation plants is to thicken fine coal tailings with high-rate thickeners utilising high molecular weight polymeric flocculants. The thickener underflow is either dewatered further or disposed of.
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MIP Thickener Design-02.pdf - Scribd
Typical K – Factors are: Light duty: 5 ‐ 10 Medium duty: 10 ‐ 20 Heavy duty: 20 ‐ 35 Extra heavy duty: > 35 Therefore for a 12m diameter high rate thickener with the coal …
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