Diese Präsentation wurde erfolgreich gemeldet.
Die SlideShare-Präsentation wird heruntergeladen. ×
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Anzeige
Nächste SlideShare
The 3 R's of Nature.
The 3 R's of Nature.
Wird geladen in …3
×

Hier ansehen

1 von 17 Anzeige

Weitere Verwandte Inhalte

Anzeige

Ähnlich wie Wood recycling (20)

Anzeige

Aktuellste (20)

Wood recycling

  1. 1.  Wood is the hard substrate that compromises most trees, bushes and shrubs.  It consists of :  Cellulose  Hemi-cellulose  Lignin
  2. 2.  Trees provide us with more than 5,000 products that people use every day  From photographic film to paints and from toothpaste to tires, tree-based chemicals and other wood by-products are all around us  They provide shade, oxygen, fruit, nuts and wood products such as paper, furniture and housing etc
  3. 3. USES  Fuel  Construction  Furniture and utensils
  4. 4.  Engineered wood  In the arts  Sports and recreational equipment
  5. 5. WOOD RECYCLING  The process by which clean waste wood, containing no contaminants or hazardous materials such as glue, lead paint, asbestos or creosote, are ground into chips and used to make new products  Tree branches, stumps, pallets and clean scrap wood from construction sites are all examples of clean waste wood
  6. 6. Wood crushing Thermal treatment Separation
  7. 7. WOOD CRUSHER  The crusher reduces the wood from its original size to two inch long splinters
  8. 8. THERMAL PROCESS  Gets mixed with hot gases and other molecules  Once heated they are condensed and it is repeated again and again till it becomes light  That way the wood generates enough hydrocarbon gases to maintain the system in auto-combustion
  9. 9. SEPERATION STEP Here the carbon is separated from the other minerals The clean carbon is packed into airtight big-bags of 800 kg, while the other minerals are put into metallic drums.
  10. 10. BENEFITS OF RECYCLING  Reduces cutting of new trees  Preserves the forest habitat of many birds and animals  Reduces the incidence of soil erosion  Reduces landfill space  Increases job in economy
  11. 11.  Using less paper is a great way to help save our ancient forests. Here are some ways that you can use less paper:  Write on both sides of every piece of paper try to use scratch paper or half sheets whenever possible  Put a cloth napkin in your backpack, purse, or lunch pail and use it instead of paper napkins
  12. 12.  Take a canvas bag to the grocery store instead of using paper bags  Use cloth towels at home to clean up spills instead of paper towels and use real cups and plates instead of paper ones  100% post-consumer recycled paper  A fourth way we can use less wood is to build our homes beautiful, inexpensive earth-friendly, homes
  13. 13. TOGETHER WE CAN…

×