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| Optimizing the Technology and Cost of DIP Bleaching with FAS |
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| DOI：10.11980/j.issn.0254-508X.2012.06.005 |
| Key Words:DIP stock composition brightness |
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| Abstract:The technology and cost of DIP bleaching with FAS were optimized，the best bleaching result was obtained when the ratio of NaOH/FAS was 0.5. Brightness of pulp increased constantly with FAS dosage increasing when FAS amount was less than 0.75%. In order to deliver higher brightness pulp，the temperature of the pulp in storage tank ought to be 70℃ if the pulp level was low; otherwise the temperature of the pulp ought to be 60℃ if the pulp level was in middle or high. The same brightness and bleaching cost could be obtained when FAS dosage decreased 0.065% if temperature of the pulp increased 5℃. |
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