Real-time monitoring method and system for total organic carbon of ultrapure water based on bidirectional excitation

Abstract

The application discloses a kind of based on bidirectional excitation's ultra-pure water total organic carbon real-time monitoring method and system, it is related to organic carbon monitoring field, first by default frequency acquisition reference conductivity, then using bidirectional feedback adjustment mechanism to adaptively match excitation mode, to eliminate polarization effect in ultra-pure water measurement and optimize signal acquisition quality.Aiming at the influence of environmental temperature fluctuation, by temperature sensing verification and data cleaning, the measured conductivity and temperature parameters are nonlinearly corrected, overcoming the limitations of traditional linear compensation.In addition, the method includes the ignition parameters of the ultraviolet lamp into the calculation model, and dynamically adjusts the oxidation efficiency correction coefficient according to the cumulative working time, effectively offsetting the measurement error caused by light source aging.Finally, combined with standard curve inversion and multi-channel differential operation, high stability, high-precision total organic carbon real-time monitoring is realized.

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