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Recycling: Something Old Is New Again |
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Recycling: Something Old Is New Again
By Jody Williams |
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1 Experts say that almost anything can be recycled. Old paper can be recycled into new paper. Before becoming new paper, it has to be sorted. It is sorted by type of paper. It is sorted by weight and color. It is sorted by what it's used for and if it has already been recycled. Hot water and chemicals are added to the paper. It becomes soupy. Things like staples, glue, and other chemicals are removed. Magnets, filters, and gravity remove them. Old ink has to be removed, too. This is done by blowing the ink to the top. It is then skimmed off the surface. Chemicals can also be used to remove ink. What is left is called pulp. The pulp is sprayed. Bleach is sometimes added. It is rolled into flat sheets. The sheets are pressed. Then they are dried. Sometimes new pulp has to be added to make the sheets stronger. The sheets are cut to different sizes after they are dry. The paper is then shipped to stores.