Scrap Metal – Response to the RTI Allscan through belt PGNAA analysis

RTI is an Australian based company specialising in on-line elemental and moisture analysis of bulk materials providing operators with process data to make pro-active real-time control decisions to improve plant efficiency and bottom-line profitability.

RTI’s customers range from small food processing facilities to large multinational mining and power generation companies on all continents.

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Two drums of scrap metal were presented for Analysis using the RTI Allscan test rig PGNAA gauge. The inhomogeneity and particle size of the waste means the estimated elemental compositions from a single test will not be accurate.

It was found that at typical sampling periods of one to five minutes on a conveyor belt, all the major elements in the waste can be detected and quantified to good accuracy. The inhomogeneity of the waste rather than the gauge accuracy is likely to determine the accuracy of a PGNAA gauge installed on a waste steam in this application.

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