1 / 16

How Paper is made from Trees!

How Paper is made from Trees!. By: Danielle Campbell pd. 9. Paper. Wood Pulp W ritten communication Papyrus Used for; schools, offices, letters, etc. The trees in which Paper comes from. Hardwood-Oaks, Maples. Paper made from theses trees are week, but make smooth paper.

dasha
Download Presentation

How Paper is made from Trees!

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. How Paper is made from Trees! By: Danielle Campbell pd. 9

  2. Paper • Wood Pulp • Written communication • Papyrus • Used for; schools, offices, letters, etc.

  3. The trees in which Paper comes from. • Hardwood-Oaks, Maples. Paper made from theses trees are week, but make smooth paper. • Softwood- Pines and Spruces. Paper is much stronger, used for shipping. • Combination-makes the best paper.

  4. Steps to making paper: Debarking • The process starts with cutting trees so the bark needs removed. • A large rotating drum is used to debark the trees.

  5. Chipping • Before the logs are pulped, they are cut up into small chips.

  6. Pulping • The chips are put into a chemical solution, they are cooked in digesters. • Boiled in sodium hydroxide and sodium sulfide. • Filters

  7. Bleaching • Removes lignin. • Use chlorine gas and chlorine dioxide.

  8. Paper Machine • Stock Preparation- 99% water • Press Section-40-50 % water • Dryer Section 2-6 % water • Size Press Coating- makes the paper smooth and strong.

  9. Blade Coater • Different coatings on the paper. • Makes paper good for printing.

  10. Supercalender • Makes the paper glossy and smooth. • Made up of rollers that put pressure on the paper.

  11. Sheet Converting • The paper rolls are cut into sheets.

  12. Where is paper sold? • Office Depot • Walmart • Target • Staples • Online

  13. The first Paper • Started in Egypt • Made of Cyperous Papyrus • Used the Nile to create it • Ideal for writing on

  14. China • Han Dynasty • Fiber of Plants • T’saiKo-Shi

  15. Recycled Paper • Good for the environment • Saves thousands of trees a year • Works just as good as regular paper

  16. Works Cited "How Is Paper Made From Trees?" Essortment Articles: Free Online Articles on Health, Science, Education & More... Web. 10 Nov. 2011. How Paper Is Made - Material, Manufacture, Making, How to Make, Used, Processing, Product, Industry, Machine, Raw Materials, The Manufacturing Process of Paper." How Products Are Made. Web. 10 Nov. 2011. "Paper University - All About Paper." TAPPI. Web. 10 Nov. 2011.

More Related