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- 戴 清華
- 伯東株式会社コンサルタン
書誌事項
- タイトル別名
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- A Non-ionic Retention System Based on Polyethylene Oxide for Paper Grades Containing Mechanical Pulp and DIP
- PEO オ モチイタ ヒイオンセイ ブドマリ システム
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説明
Investigations were carried out recently in three Canadian newsprint mills where a cationic dual polymer retention chemistry was in use for years. Several enhancer/PEO combinations were evaluated on bench scale to determine any possibility for replacing the existing retention system for reduced chemical cost and improved machine operating efficiency.<BR>The PEO with 10 million molecular weight was more effective than that of 7 million molecular weight. New enhancers produced from bisphenol-S. especially EnhancerB were much superior to the traditional phenol-formaldehyde resin in promoting PEO retention performance. The effect of stock aging on retention appeared to be stock dependent.<BR>The non-ionic retention chemistry improved stock drainage more than the mills cationic dual polymer system even at much lower dosage levels, as determined with a Vertical sludge press. The new enhancer/PEO combination was proved once again to be excellent for pitch removal and was considerably better than that of two cationic dual polymer systems studied.
収録刊行物
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- 紙パ技協誌
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紙パ技協誌 55 (9), 1229-1235,028, 2001
紙パルプ技術協会
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詳細情報 詳細情報について
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- CRID
- 1390282681497644672
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- NII論文ID
- 10012765581
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- NII書誌ID
- AN00379952
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- ISSN
- 18811000
- 0022815X
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- NDL書誌ID
- 5896564
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- データソース種別
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- JaLC
- NDL
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