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MAGNETIC RESONANCE -- A NEW INDUSTRIAL TOOL FOR ON-STREAM ANALYSIS, QUALITY CONTROL AND HIGHER PROCESS EFFICIENCY |
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HOW DOES THE PHOSPHOLYZERtm MEASURE PHOSPHORUS ? HOW ACCURATE ARE BPL AND P205 MEASUREMENTS BY ON-STREAM MAGNETIC RESONANCE ANALYSIS? In summary, BPL measurements for tailings are about 0.5 BPL standard error for a typical range of 2 to 8 BPL for hour-to-hour processing of phosphate matrix in beneficiation. The figure below shows an example of data comparing BPL values from the Phospholyzer and laboratory tests on check samples. Data for phosgypsum slurry and phosacid residue in wash water from phosacid reactor filter operation is illustrated in the below figure. Standard error values as low as 0.1 percent P205 are attained with measurement of phosacid reaction residue |
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MEASUREMENT DATA FOR PHOSPHOLYZERtm |
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DESCRIPTION OF THE PHOSPHOLYZERtm The two principle components of a PHOSPHOLYZERtm are the sensor and electronics cabinet assemblies, and the sample presentation unit as illustrated in the below figure. As shown, slurry sample from the process flows through a sample tube in the lower chamber of the ternperature controlled cabinet where polarization and sensor magnets are installed with associated components. Supporting electronic units with an on-board microcomputer (system processor) and sample control panel are mounted in the upper part of the cabinet. The cabinet is approximately 4-ft. high by 5-ft. length and 3-ft. width. It includes a power stabilizer,connections for 110 VAC single phase 50/60 Hz 10 amp power (alternative power sources can be accommodated), and a utility panel with access for signal analysis, test instrument power and system processor RS-232 port.
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PHOSPHOLYZERtm COMPONENT BLOCK DIAGRAM |
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LINKS TO PHOSPHOLYZERtm DOCUMENTS AND SITES: PHOSPHOLYZERtm FACT SHEET (this web page) in Acrobat (pdf) document PCS PHOSPHATE WHITE SPRINGS presentation at Engineering Foundation Conference on Phosphate Beneficiation - December 1998, White Springs, Florida, entitled:"PCS Phosphate White Springs Automatic Control and On-Stream Analysis Innovations Have Pay-Off in Big Gains" PCS PHOSPHATE WHITE SPRINGS presentation in Acrobat pdf format Executive Summary of project report, "An Investigation of Potential for Improved Efficiencies in Phosphate Rougher Flotation through On-Line BPL Measurements ", Florida Institute of Phosphate Research (March 1991) |
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