Includes an overview of the kraft pulping process and recausticizing system, and describes how recaust converts the chemicals in spent cooking liquor back to their original form. It describes the major equipment and processes, including the slaking, causticizing, and calcining reactions.
•Describe the kraft pulping process
•Describe the role of chemical recovery and recausticizing systems in the kraft pulping process
•Identify flows and major equipment in the recausticizing system
•Describe the chemical reactions that occur during pulping and in the recausticizing system
•Identify the components of the strong black liquor sent to the recovery boiler
