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Plant Structure, Function, and Use

Plant Uses

How much wood is needed to make one ton of paper?

In the United States, wood pulp is usually used in paper manufacturing. Pulp is measured by cord or weight. Although the fiber used in making paper is derived overwhelmingly from wood, many other ingredients are needed as well. One ton of paper typically requires two cords of wood, 55,000 gallons (208,000 liters) of water, 102 pounds (46 kilograms) of sulfur, 350 pounds (159 kilograms) of lime, 289 pounds (131 kilograms) of clay, 1.2 tons of coal, 112 kilowatt hours of power, 20 pounds (9 grams) of dye and pigment, and 108 pounds (49 kilograms) of starch. Other ingredients may also be necessary.



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