| There are several differences depending
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| | processed water is cleaned once more.
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| on the certain classification of paper
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| | Waste disposal: The left over pupls and
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| that is being recycled (newspaper,
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| | material that are no longer needed
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| magazines, fiberboard). Recycling these
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| | (sludge), is usally placed inside a
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| products involves many processes as
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| | landfill. Then to create energy, the
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| listed below.
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| | materials are then burned to use at the
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| Pulping: Adding water then engaging
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| | mill or local farmers often use the
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| mechanical action to divide fibers from
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| | materials as fertilizer for crops.
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| each other.
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| | Standards
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| Screening: Using a screen-like material,
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| | Paper is one of the most common recycling
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| with small holes so that the larger
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| | materials on earth. The average amount of
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| contaminants may be removed.
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| | recycling for each paper is 4-6 times due
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| Centrifugal cleaning: Removing the more
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| | to the weakening of the fibers. To
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| dense materials by spinning the pulp
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| | provide more strength the virgin pulp is
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| slurry with a cleaner.
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| | mixed together with the paper being
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| Flotation: Letting air bubbles that are
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| | recycled.
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| passing by to enter the pulp slurry
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| | There is not a standard of the maximum
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| causes the ink particles to cluster with
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| | percentage that a virgin pulp can be in
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| the surface foam. With the contaminated
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| | recycled paper. Most recycled paper has
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| foam removed, the pulp is adapted into a
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| | anywhere from 10%-100% used paper in it.
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| brighter material. Sometimes deinking is
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| | Many companies that receive government
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| the term used for this process.
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| | money, state governments that collect
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| Dispersion or Kneading: A mechanical
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| | funding; therefore, a 50% post-consumer
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| action is enforced to breakdown the
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| | recycled paper is the standard for use.
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| particles that may be contaminant.
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| | The EPA doesn't control recycled paper
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| Washing: The water is ran through the
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| | being used outside of our government. The
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| pulp to removed the smaller particles
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| | only duty they have it setting a minimum
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| still within the water.
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| | guideline to go by. There are three
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| Bleaching: This is dependent upon the
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| | divions of paper the may be purchased for
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| color of paper needed. For the most
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| | feedstocks, including: pre/post-consumer
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| common (white), hydrosulfites or
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| | waste. The trimmings left over at a
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| peroxides are used to removed the color.
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| | virgin paper mill are described as the
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| Papermaking: The newly bleached fibers
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| | mill broke. The material that was sent
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| are made into the new paper product using
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| | for customers to purchase but was not
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| the same concept as the virgin paper was
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| | ready are pre-consumer waste, and the
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| made.
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| | material thrown away after being used is
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| Dissolved air flotation: To reuse the
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| | defined as post-consumer waste.
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