Transcription of 2-1 Recausticizing - Principles and Practice - TAPPI
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2-1 Recausticizing - Principles and Practice - TAPPI
Recausticizing - Principles AND Practice Dale R. Sanchez Process Specialist - Recausticizing Vector Process Equipment Inc. 2079 Gordie Tapp Crescent Burlington, ON L7M 3T9 Email: OVERVIEW The Recausticizing process produces cooking liquor for the digester from recycled inorganic chemicals generated in the recovery boiler and lime kiln. The process involves one very simple chemical reaction followed by process steps utilizing various types of liquid solid separation equipment. Cooking liquor (white liquor) for the kraft process is produced from smelt generated in the recovery boiler. Quick lime is slaked in the smelt solution (green liquor) producing white liquor and calcium carbonate (lime mud). The calcium carbonate is calcined in a lime kiln to produce quick lime.
2.1-4 Green Liquor Clarifier Suspended particles in the green liquor are called dregs and are typically removed in a sedimentation clarifier. The dregs
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