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:: Outokumpuís Laser-Based Particle Analysis Advances Process Efficiencies
A new slurry particle size analyser that uses advanced laser diffraction technology to improve mineral processing operations has been introduced by Outokumpu Technology Pty Ltd.
The Outokumpu PSI 500TM is designed to enhance monitoring and control of mineral particle size. Through this monitoring and control, throughput and particle recoveries are maximised, essential steps in ensuring successful plant design and performance, says Outokumpuís Automation Manager, Brandt Henriksson. The PSI 500TM also further enhances the return on investment (ROI) because it both minimises reagent and dewatering costs and optimises quality.
The robust and reliable use of diffraction technology in the PSI 500TM allows precise management and control of the grinding circuit, while guaranteeing high and stable quality of the end product, as well as effective tailings disposal. The PSI 500TM is also applicable over a wide particle size range and is rapid (results in just over one minute), non-destructive and exhibits high resolution with up to 20 size fractions, along with specific surface areas.
Major applications of the new technology include:
A significant advantage of the laser diffraction technology built into the PSI 500TM ensures a consistent result without any external calibration. This means the instrumentís repeatability and precision - the most important features in automation process control applications - are excellent over a wide particle size.
Diffraction technology, or low angle light scattering, is based on the intensity distribution measurement of coherent light scattered by particles. When the laser beam interacts with particles, their size distribution can be calculated from the scattered light distribution.
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