During the conversion of green liquor to white liquor in the slaker and causticizers, lime mud is formed. The mud is separated from the white liquor and sent to mud storage. Before the lime mud can be fed into the kiln, it must be washed to remove residual chemicals, and dewatered to remove as much water as possible. This module describes the most common method of lime mud filtering and the components and operation of the lime mud filter.
•Describe the most common method of lime mud filtering
•Identify and describe the major components of a lime mud filter
•Describe the purpose and operation of a lime mud filter
•Describe strategies for achieving high mud solids
•Identify and describe the safety hazards associated with a lime mud filter
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