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  4. PAPER
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： PAPER
配方說明： Ground-Wood Bleach
配方組成： The quantity of chemicals to be employed will depend on the wood to
be bleached and on the brightness increase desired. As a typical
example, in recent plant trials, a brightness increase of 9 points was
obtained by use of the following formula in a beater heated with live
steam. Percentages of chemicals are based on the weight of the dry pulp
Sodium Silicate/5.00%
Hydrogen Peroxide/0.91 of H2O2 or 2.6 of 130.0 volume
Epsom Salts/0.02%.
Caustic Soda/1.00%

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