kylie diges cbe 555 april 23, 2012. outline history of paper manual papermaking industrial...
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Papermaking TechnologyKylie Diges
CBE 555April 23, 2012
OutlineHistory of PaperManual PapermakingIndustrial Papermaking ProcessUpcoming Technologies
What is paper?
A thin material produced by pressing fibers together.
History of Paper2400 B.C- papyrus
(ancient Egyptians)
105 A.D. – Modern concept of paper (China)
Manual PapermakingProcess used up until the 19th centuryOverall Process:
Fiber preparationSheet formingPressingDrying
Limitation: The size of the sheet was limited to the size of the frame.
Industrial PapermakingFirst introduced early 1800’sStill follows the same general procedure
used in manual paper making fiber preparation, sheet forming, pressing,
drying
Paper MachinesPulping & Stock PreparationHave 4 main sections:
Forming PressDrying Calender
Pulping Overview:
http://www.youtube.com/watch?v=jGH7kQ30SKo&feature=related
Forming SectionHeadbox
Slice
WireDandy Roll
Press Section
Drying Section
Yankee Dryer/Crepinghttp://www.youtube.com/watch?v=0_36tnbHc
2Q
Calender SectionCalender: series of
hard pressure rollers used to smooth the sheet
Slitter & Rewinder
Paper Machine Videohttp://www.youtube.com/watch?v=7SdJtYkAz
Tw&feature=related
Fiber SourcesFibers are typically made of cellulose pulp
Current: cotton, wood, wastepaper, synthetic fibers
Historically: plant pitch, bark, pressed animal skin
Alternative fiberswheat, barley, oat, rye and rice straws or
sugarcane
References http://earth911.com/recycling/paper/what-is-paper-and-how-is-it-
made/ http://how-to-make-paper.com/index.php?
option=com_content&task=view&id=33&Itemid=48 http://totallyhistory.com/the-invention-of-paper/ http://inventors.about.com/od/pstartinventions/a/papermaking.htm http://www.britannica.com/EBchecked/topic/1357055/papermaking/
82432/Fibre-sources http://www.albint.com/businesses/pmc/Pages/default.aspx Iggesund Paperboard AB (2008). Paperboard the Iggesund Way. p. 15. http://www.wilsonhurst.com/technology/paper/paper.htm http://www.paper-machinery.com/dictionary/Fourdrinier_Wire.asp http://www.ecy.wa.gov/programs/air/pdfs/pulpmil3.pdf http://www.paperhall.org/info/glossary.html http://www.jefflindsay.com/tissue.shtml http://www.sca.com/Global/Publicationpapers/pdf/Brochures/
Papermaking.pdf?epslanguage=en http://informinc.org/pages/index.php?
option=com_content&view=article&id=179
Questions?
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