Improving Monochloramine Performance

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With Innovative Sensor-controlled Dosing

Monochloramine (MCA) has become one of the major oxidant chemistries for biological control in the paper industry. Feedback control, such as oxidative-reductive potential (ORP), is often used to provide better control of a dosing scheme. The trademarked Ackumen MCA-i is a chemical-digital solution that uses artificial intelligence with actionable insights to stabilize the wet-end process, providing improved performance and reduction in overall chemical costs. Accurate sensor-controlled dosing can be tied to multiple inputs, such as production rates, grade changes, pH, ORP, chlorine residual, freshwater usage, and more. In this study, a case history is presented to demonstrate how this technology provided a more consistent MCA molecule throughout the process, resulting in a higher level of efficacy and reduction in chemical costs.  Through advanced multiparameter dosing controls, monochloramine feed rates can be automatically adjusted as the paper machine process changes. This leads to the right amount of chemistry being applied at the right time, maximizing efficiency of the biocide program. Published in TAPPI Journal, January 2024.