| 优化预处理工艺条件与降低新闻纸脱墨浆苯-乙醇抽出物的含量 |
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| 引用本文： | 王淑梅,戴铠,王犇峰,郭鸣,戴红旗. 优化预处理工艺条件与降低新闻纸脱墨浆苯-乙醇抽出物的含量[J]. 纸和造纸, 2010, 0(12) |
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| 作者姓名： | 王淑梅 戴铠 王犇峰 郭鸣 戴红旗 |
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| 作者单位： | 南京林业大学江苏省制浆造纸科学与技术重点实验室; |
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| 摘 要： | 废新闻本纸浆中树脂的溶出及沉积对造纸过程及产品质量有较大影响。利用苯-乙醇抽提的方法探讨预处理工艺条件对新闻纸用脱墨浆树脂溶出规律的影响,实验表明:在浓度、pH值、处理时间、处理温度这些因素中浓度的影响最大,然后依次是pH值、处理时间、温度。在浆料浓度1.5%、pH值10、时间30min、温度70℃的条件下,浆中树脂抽出物含量最低。
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| 关 键 词： | 新闻纸用脱墨浆 苯-乙醇抽出物 预处理工艺 |
Optimization of Pretreatment Technology to Reduce Benzene-Ethanol Extractive Content of Newsprint Deinking Pulp |
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| WANG Shu-mei,DAI Kai,WANG Ben-feng,GUO Ming,DAI Hong-qi. Optimization of Pretreatment Technology to Reduce Benzene-Ethanol Extractive Content of Newsprint Deinking Pulp[J]. Paper and Paper Making, 2010, 0(12) |
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| Authors: | WANG Shu-mei DAI Kai WANG Ben-feng GUO Ming DAI Hong-qi |
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| Affiliation: | WANG Shu-mei,DAI Kai,WANG Ben-feng,GUO Ming,DAI Hong-qi (Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology,Nanjing Forestry University,Nanjing,Jiangsu Province,210037 China) |
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| Abstract: | The stripping and deposition of resins in ONP pulp have a great influence over the papermaking process as well as the product quality.The method of benzene-ethanol extraction can be used to discuss about pretreatment technology influence over the stripping law of newsprint deinking pulp.It shows that among the four factors,pulp consistence,pH,reaction time and temperature,pulp consistence is the most influential,then in turn are pH,reaction time and temperature.To make the resin extraction content in the pu... |
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| Keywords: | newsprint deinking pulp benzene-ethanol extractive pretreatment technology |
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