METHOD AND DEVICE FOR PROCESSING WASTE PAPER
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United States of America Patent
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Issued Date -
Jul 7, 2011
app pub date -
Nov 8, 2008
filing date -
Nov 20, 2007
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Abandoned
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Abstract
The invention relates to a method for processing waste paper according to the following steps: a) the waste paper is decomposed into fibres, b) the fibres are washed, c) the fibres are subjected to a dispersion process, d) the fibres are subjected to a flotation method, e) the fibres are processed for further treatment in a paper machine. The liquid from the fibres obtained in step b) is reintroduced into the fibre flow prior to step d). The invention also relates to a device for carrying out said method.
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