2015 Introduction to Pulp and Paper Technology Course Schedule

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

Overview of Pulping

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

5:00 pm - Networking Hour with Refreshments

Pulp Processing

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

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

 

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 ops

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 

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Earn 2.6 CEUs
The Education Project Center of TAPPI has been reviewed and approved as an Authorized Provider by the International Association for Continuing Education and Training (IACET), 1620 I Street, NW, Suite 615, Washington, DC 20006. TAPPI will award 2.6 CEUs to participants who attend at least 80% of the educational sessions and complete a final program evaluation.