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Thursday, May 7, 2020 | History

4 edition of Agitator design for leaching found in the catalog.

Agitator design for leaching

T. Pyle

Agitator design for leaching

results of research carried out as MERIWA Project No. 91 in the Materials Engineering Department of Curtin University of Technology

by T. Pyle

  • 328 Want to read
  • 6 Currently reading

Published by Minerals and Energy Research Institute of Western Australia in East Perth, WA .
Written in English

    Subjects:
  • Hydrometallurgy.,
  • Mixing machinery -- Design and construction.,
  • Cylinders -- Hydrodynamics.,
  • Leaching -- Equipment and supplies.,
  • Turbulence.

  • Edition Notes

    Statementby T. Pyle and D. Allen.
    SeriesReport / Minerals and Energy Research Institute of Western Australia ;, no. 48, Report (Minerals and Energy Research Institute of Western Australia) ;, no. 48.
    ContributionsAllen, D.
    Classifications
    LC ClassificationsTN688, Microfiche 95/4264 (T)
    The Physical Object
    FormatMicroform
    Pagination1 microfiche
    ID Numbers
    Open LibraryOL961188M
    ISBN 100730959325
    LC Control Number95953288

    Introduction to Agitation and Mixing Process Agitator Design Mixing Time Mixing of Liquid System Design of Gas Dispersion process Design of Solid Liquid Mixing Process Design of Solid-Solid Mixing Process These topics are discussed in detail by the respective faculty members. At this Juncture, I also appeal all the participants to take full. Determination of the effective viscosity at the agitator impeller is of fundamental importance for many agi-tator designs. To design calculations at different vis-cosities illustrate the typical effect of viscosity on the required agitator power. In both cases a two-stage EKATO VISCOPROP agitator system with an impeller diameter d 2 = mmFile Size: 1MB.

    The Model 20 HT/GT agitators feature a high-efficiency gearbox designed specifically for agitator service. Models are available in right angle and parallel shaft configurations. These agitators feature a modular design package with a wide range of speeds for improved process . The agitator design and mixer selection is closely integrated with the stirring purposes. Various agitating processes need to be operated by different stirring devices. When designing and selecting the mixing machines, firstly we should determine the model of the mixing impeller, motor power and stirring speed according to the agitating.

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Agitator design for leaching by T. Pyle Download PDF EPUB FB2

The Dorr Leaching Agitator. The Dorr agitator, in general use today, is a combination mechanical and air agitator designed for use in round, flat- bottomed tanks as large as 50 ft. in diameter and 25 ft. in depth. RESOURCE BOOK Carbon Adsorption Theory After the leaching process is complete, the soluble gold must be concentrated and separated from the process slurry.

The method of recovery of gold from the process slurry is by carbon adsorption. Adsorption is a term used to describe the attraction of a mineral compound to the surface of.

agitator power is always a multiple of the settling power. The additional power required to circulate the liquid can be neglected for most technical applications. Because the settling power and thus the agitator pow - er are proportional to the hindered settling velocity, choos-ing the design particle size is.

Sustainable agitator and reactor design for demanding applications in hydrometallurgy Marko Latva-Kokko, Tuomas Hirsi and Teemu Ritasalo Outotec, Finland ABSTRACT Reactor design plays a very important role in the hydrometallurgical industry. Ultimately, all hydrometallurgical plant income is extracted in reactors.

Leaching times applied in practice vary from a few hours to several days. Leaching is usually performed in 4 to 10 stages, with the individual stage volume and number of stages dependent on the slurry flow rate, required residence time, and efficiency of mixing equipment used.

Counter-current leaching. Agitator design is determined by whether the aim of the agitator is to simply keep the material suspended or the need for efficient introduction of air/oxygen for the leach reaction. The technical aspects of designing the leach circuit fall within the overall project design activities, as shown in the diagram below.

Mechanical Agitator Power Requirements for Liquid Batches _____ Application Equations Mechanical agitator power requirements for liquid batches are calculated by determining the power number, N P, for a given system and correcting for motor, gearing and bearing losses.

Design specification of the motor is then determined by. Improving the process performance of gold cyanide leaching reactors 3 literature (Equation [1]) shows that k L a is a function of mixing power intensity (P/V) and superficial gas velocity v s. The coefficients A, B, and C are reactor- and application-specific.

Mechanical Design of Mixing Equipment D. DICKEY MixTech, Inc. FASANO Chemineer, Inc. INTRODUCTION Mixing equipment must be designed for mechanical and process operation.

Al-though mixer design begins with a focus on process requirements, the mechanical design is essential for successful operation. Usually, a competent manufacturer ofCited by: 6.

1 ± anchor agitator (CVS 69 ), 2 ± helical - screw agitator with draught tube (CVS 69 ), 3 ± e ccentrically placed helical - screw agitator, 4 ± h elical - ribbon agitator (CVS 69 ), 5 ± leaf agitato r (CVS 60 ), 6 ± multi - stage agitator. Agitation leaching is a capital-intensive technique for these ores, but copper recovery can approach % in a time frame of hours, rather than the months or years of the percolation leaching techniques.

Sulfide Minerals. Secondary sulfides of reasonable grade (>6% Cu). The process design of gold leaching and carbon-in-pulp circuits contaminants. These are removed by thermal regeneration of the eluted carbon, typically in a rotary kiln at temperatures of –°C.

Regeneration is carried out in a steam atmosphere to minimize carbon degradation due to oxidation. Title: Microsoft PowerPoint - Created Date: 10/7/ PM.

(Figure 3). If an agitator is not cor-rectly designed for these fluids, the mixture in regions near the walls can be completely stagnant. This is called the “cavern effect”. Designing for anomalies The first step in assessing a design is to calculate the power and torque absorbed by the proposed agitator.

To do this, it is necessary to know theFile Size: 2MB. Leaching Plant Design - Mineral Processing Metallurgy. Typical large Agitator (26′ in diameter x 30′ deep).

Note tank car in background. Modern Leaching Plant Design. For maximum space economy select the largest size leach tanks possible to minimize number of. Scale of Agitation 1 is quite mild, 3 is normal, 6 is vigorous and 10 is violent.

Scale of 1 to 2 Characteristic of application requiring minimum fluid velocities to produce a flat but moving fluid batch surface.

Machine Design SE 44 STOCKHOLM. Examensarbete MMK MPK Omrörningshandboken Filipp Kars-Jordan Petri Hiltunen Godkänt Examinator Priidu Pukk Handledare This book can be used to gain insight in the difficulties of constructing agitators, also.

factory assembled. In these instances, refer directly to Agitator Drive Assembly and Mechanical Seal Installation, page 6 for full assembly/mounting instructions.

Agitator installation consists of mounting the unit onto the vessel and making the necessary coolant-lubricant connections, if required. REVIEW ON DESIGN OF AGITATOR 1AKASH J PATIL, 2SACHIN B RAJUDE 3MAYUR S THOK, 4AJIT R PAWAR BE Student.

Mechanical engineering SNDCOE &RC,YEOLA Abstract-This paper describes the mechanical design of agitator to mixing polyectrolyte having viscosity cp considering the fluid forces that are imposed on the impeller by the fluid.

Design and Implementation of Differential Agitators to Maximize Agitating Performance Saeed Asiri King Abdulaziz University,Jeddah, P. Box.Saudi Arabia. Abstract. This research is to design and implement a new kind of agitators called differential agitator.

The Differential Agitator is an electro- mechanic set consists of. Engineering and Design Soluti views Shell and Tube Heat Exchanger BEM Design & Estimation Spreadsheet | Updated Version V - Duration:   Agitator design and selection 1.

Agitator Design and Selection Standard Engineers @ 2. Food for Thought You wanted to STIR THINGS UP But, your MIXING gave only ‘AGITATION’. There’s many a slip between the Plant and the Lab. Mixing Optimal Tank Design If an agitator is center-mounted in an un-baffled cylindrical tank, it produces a swirling motion, which is very inefficient.

As an example, imagine two particles swirling in a circular motion, they will always be chasing each other and will not mix.