Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor
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United States of America Patent
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May 13, 1997
Issued Date -
N/A
app pub date -
Apr 10, 1995
filing date -
Oct 22, 1993
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Abstract
The process for producing hydrogen peroxide, used in the bleaching of pulp, uses the hydrogen generated wholly or partly by the gasification or partial combustion of cellulose spent liquors used in digesting cellulose material to produce the hydrogen peroxide.
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