Method of peroxide bleaching of pulp using a peroxide decomposing inactivator
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United States of America Patent
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Apr 8, 1997
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N/A
app pub date -
Oct 28, 1994
filing date -
Mar 24, 1992
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Expired
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Abstract
Chlorine dioxide is used to stabilize hydrogen peroxide in bleach liquor at alkaline pH. This is thought to be aided by the destruction of enzymes (especially catalase) produced by bacteria. The method is useful for the reprocessing of pulps, especially when a de-inking stage is involved.
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