Supplemental and Recycled Fiber - Fiber Prep and Screening

Wood fiber accounts for more than 90% of the raw material used in the production of paper and board products, and it can come from a variety of sources. These sources can be slushed virgin fiber that is produced onsite, market pulp from other pulp mills, or recycled/secondary fiber. This course will cover the preparation and screening of market pulp and recycled fiber at papermaking facilities.

•Define the terms: "market pulp," "recycled fiber," "pre-consumer waste," and "post consumer waste" •Identify and describe the primary process flows of a repulper •Identify and describe the main components of a repulper •Describe the consequences of improper level and consistency control in a repulper •Explain the purpose of deflaking •Identify and describe the main components of a disk deflaker •Explain the purpose of screening •Describe the equipment and process flows in coarse screening and fine screening systems •Identify and describe safety hazards and safety guidelines associated with repulping, deflaking, and screening equipment