“What Goes Around Comes Around” (A look at the Kraft Liquor Cycle using FT-NIR Technology), 2014 PEERS Conference

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“What goes around comes around” is a common phrase associated with cycles. The Kraft liquor cycle essentially deals with ½ of the log that comes into a mill along with the necessary chemicals used to transform the wood into pulp in the digester. It is an important cycle that in many cases can decide if a mill is profitable or not. Species changes in the digester and the manner in which the digester operates can greatly impact the black liquor that is sent to the recovery boiler. The manner in which the black liquor is handled at the recovery boiler can in turn determine the operations of the recausticizing and digester departments.