Ecolab USA Inc.

David Sirois

Prasad Y Duggirala

Khaled Zouaoui

Michael Kjerulf

Christopher Powers

A method of treating brown stock in a brown stock washing process is provided. The method includes measuring a refractive index of a brown stock; and dosing an additive to the brown stock according to at least the refractive index of the brown stock. A system for controlling dosing of an additive to a brown stock washing process is also provided. The system includes a refractive index measurement device; a controller configured to receive data provided by the refractive index measurement device and transform the data into additive addition output instructions; and an additive delivery unit configured to receive and execute the additive addition output instructions from the controller.

Growing community of inventors

Sherwood, WI, United States of America

David Sirois