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铜版纸损纸回用对浆料留着和滤水性能的影响
Effects of Coated Art Paper Broke Recycling on Retention and Drainage of the Slurry
收稿日期：  
DOI：10.11980/j.issn.0254-508X.2015.06.002
关键词:  铜版纸  损纸回用  留着率  滤水性能
Key Words:art coated paper  broke recycling  retention  drainage
基金项目:本课题由黄河口学者岗位资助。
作者单位
崔志平1 1.齐鲁工业大学制浆造纸科学与技术省部共建教育部重点实验室, 山东济南, 250353 
李宗全1,* 1.齐鲁工业大学制浆造纸科学与技术省部共建教育部重点实验室, 山东济南, 250353 
张凤山1,2 1.齐鲁工业大学制浆造纸科学与技术省部共建教育部重点实验室, 山东济南, 250353；2.华泰集团有限公司,山东广饶, 257335 
秦梦华2,3 2.华泰集团有限公司,山东广饶, 257335； 3.泰山学院,山东泰安,271000 
王　保2 2.华泰集团有限公司,山东广饶, 257335 
刘燕韶2 2.华泰集团有限公司,山东广饶, 257335 
王海荣2 2.华泰集团有限公司,山东广饶, 257335 
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摘要:铜版纸损纸回用会影响造纸湿部和纸张的性能。实验研究了阳离子聚丙烯酰胺(CPAM)-膨润土助留系统中,铜版纸损纸回用对首程留着率、填料留着率及浆料滤水性能的影响并采用正交实验的方法研究了损纸回用过程中影响浆料留着的因素。结果表明,铜版纸损纸浆回用对浆料的留着及滤水产生不利的影响,随着损纸比例的增加,浆料的Zeta电位显著降低,首程留着率、填料留着率和滤水性都降低。CPAM和聚合氯化铝(PAC)的加入能够改善浆料的留着及滤水。在铜版纸损纸回用过程中,对浆料留着率影响最大的因素是CPAM用量,其次为损纸浆用量和PAC用量。当损纸浆比例提高时,可以通过适当提高CPAM和PAC用量来提高留着率。
Abstract:A large amount of broke is recycled during the coated art paper production, and the broke recycling would affect the wet end environment and the properties of final products. The effects of the art coated broke recycling on the first pass retention, filler retention and drainage properties of the slurry were studied while CPAM-bentonite retention system was applied, and the factors affecting the slurry retention were investigated with orthogonal experimental design. The results showed that art coated broke recycling negatively affected the retention and drainage of the slurry. With the increase of the recycled broke pulp, the first pass retention, filler retention and drainability of the slurry decreased. The addition of CPAM and PAC could improve the retention and drainage of the slurry. The primary factor affecting slurry retention was CPAM dosage, and then the amount of broke pulp and PAC dosage. The increase of CPAM and PAC dosage could improve the slurry retention as the recycled art coated broke pulp increased.
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