• If you have questions about the Course Schedule, you're welcome to contact Dr. Kocurek.

      

       PULPING TECHNOLOGY

      Overview of the Industry

• Industry trends, statistics and information sources

   Wood and Fiber Raw Materials

• Discuss wood and fiber sources
• Differences between hardwoods and softwoods, and important fiber properties that affect paper properties

      Preparation of Wood and Chips for Pulping

• Woodyard operations including debarking, chipping, screening, storage, and recovery

• Primary categories, incl. chemicals and cooking conditions
• General pulping terminology
• Common pulp properties and tests

      Kraft Pulping

• Major types of equipment used in pulping
• Overview of primary operations in the digesters
• Major pulping variables
• Overview of some major kraft pulping trends

   Mechanical and Semi-Chemical Pulping

• Primary mechanical pulping processes
• Mechanical vs. chemical and hybrid pulp properties

      Networking Hour with Refreshments

• Overview of fiber line pulp processing including washing, screening and cleaning
• Major equipment types and key operating variables

    Bleaching

• Bleaching processes, including oxygen delignification, chlorine dioxide, caustic extraction, peroxide, and others
• Bleaching equipment, chemicals, and reactions
• Trends and environmental issues

           

Recycling

• Categories of recycled paper and board
• Types of contaminants with recycled paper and problems
• Overview of different operations and equipment involved with contaminant removal

   

   Chemical Recovery

• Overview of the major recovery operations, including evaporation, combustion, and recausticizing
• Composition and properties of black liquor and what happens in the evaporators and recovery units
• How pulping liquor is regenerated in recausticizing
• Lime kiln operations at an overview level

WEDNESDAY, JANUARY 13   8:00 am - 5:00 pm

      

      PAPER TECHNOLOGY

 
   Introductions to Paper Grades and Properties

• Important paper and board properties and tests, including strength, optical and printing properties

   Paper Mill Stock Preparation

• Refining process, primary effects on fibers, and the effects of refining on paper machine operations and paper properties
• Primary additives used in paper, including strength adhesives, pigments, sizing, and retention aids

   

   Paper Machine Wet End Operations

• Stock approach system operations prior to the paper machine
• Main types of headboxes in papermaking and internal ops
• Sheet forming process, slice operations, jet to wire effects, fiber orientation, formation, microturbulence, dewatering, and sheet structure variations
• Sheet forming operations and paper properties
• Forming fabrics, save alls
• Twin wire gap formers, varieties, mechanisms of dewatering, and sheet structure

THURSDAY, JANUARY 14   8:00 am - 4:00 pm

       

   Pressing

• Types of press section configurations and press nip
• What happens to the sheet during pressing
• Pressing variables and trends

   Drying

• Overview of dryer can internal operations with steam and condensate, major water removal rate differences, major equipment & operating variables that affect rate of drying
• How drying and sheet shrinkage affect paper and board properties; and the role of felts, draw, and sheet restraint
• Overview of tissue machine yankee drying and creping

   Calendering and Winding

• Different types of calenders
• Sheet properties, examination of major calendering variables
• Winding and roll finishing operation overview

   Surface Treatments

• On machine size press operations, including equipment types and the variables that affect starch pick up in the size press
• Primary components in a coating, including pigments, adhesives, and additives
• Differences between roll, air knife, and blade coaters
• Coating drying, equipment and mechanism, supercalendering

   Environmental Control

• Overview of primary and secondary effluent treatment
• Review of air & water environmental issues associated with the P&P processes