CHEN 6110–PULP AND PAPER ENGINEERING

Fall 2004

Catalog Data: CHEN 6110:  PULP AND PAPER ENGINEERING (3).  Pr. CHEN 3090 or COI, Chemical and engineering principles in the manufacturing of pulp and paper.

 Textbook:       Biermann, Essentials of Pulping and Papermaking, 2nd ed., Academic Press, Inc., 1996.

 References:

Casey, Pulp and Paper Chemistry and Chemical Technology, 3rd Edition, Vol. I, II, III, and IV, Wiley Interscience Pub. Co., 1980, 1980, 1981 and 1983.

MacDonald, Pulp and Paper Manufacture, Vol. I, II, and III, McGraw-Hill, 1970.

Kocurek, Pulp and Paper Manufacture, Vol 5.  Alkaline Pulping, Joint Textbook Committee of the Pulp and Paper Industry, 1989.

Coordinator:  Gopal A. Krishnagopalan, Professor of Chemical Engineering

Goal:  Study of the chemical and engineering principles involved in the manufacture of pulp and paper.  Process engineering calculations as applicable to pulp and paper systems. 

Lecture Topics:

  1. Reactions of lignin, cellulose and hemicellulose, pulping chemistry, delignification reactions, liquor penetration (3 classes)

  2. Kraft pulping process, batch and continuous operations, flow diagrams, process variables, control, chemical recovery, bleaching, engineering and design calculations (20 classes)

  3. Sulfite pulping, pulp bleaching (3 classes)

  4. Stock preparation, consolidation of the web, process calculations (4 classes)

  5. Paper machine wet end, approach flow, screening and cleaning, water use and reuse, fiber recovery, dewatering and retention, pressing and drying, process calculations (12 classes)

  6.  Examinations (3 classes)  

Grading:                 Tests (3):                                 40%  (tentative dates 9/27, 11/1, 12/6)

                                Home Work & Quizzes:          15%

                                Projects:                                  25%

                                Research Project:                    20%                                                                                                               

Attendance: Students are expected to attend all their scheduled classes.  Specific policies regarding class attendance are: For every 3 unexcused absences, your grade will be lowered by one letter grade, 0.33 grade units per unexcused absence.

Special Needs:  Any student who requires special accommodations should contact the Director of the Program for Students with Disabilities.