METHOD FOR MONITORING UREA QUALITY OF AN SCR SYSTEM
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Jan 29, 2014
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Jan 30, 2013
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Abstract
A method for monitoring urea concentration and quality in a urea solution stored in a tank of an SCR system. The system comprising a pump driven by a motor and the pressure of which is controlled by a controller. The method comprises the steps of:—measuring a parameter value characteristic of the energy transmitted by the motor to the pump;—determining a urea concentration value based upon the parameter value characteristic of the energy transmitted by the motor to the pump.
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