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| Control of Sticky Contaminants in Deinked Pulp by Adding Fixing Agent |
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| DOI：10.11980/j.issn.0254-508X.2011.06.003 |
| Key Words:deinked pulp fixing agent stickies control |
| Fund Project:本课题为山东省“泰山学者”建设工程专项经费资助项目（TS200637022）；国家自然科学基金（30972327）和教育部新世纪优秀人才支持计划资助项目（NCET-08-0882）。 |
| Author Name | Affiliation | | 于海龙1 | 1.山东轻工业学院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 | | 高 扬1,2 | 1.山东轻工业学院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 | | 张凤山2 | 2.华泰集团有限公司,山东广饶,257335 | | 秦梦华1 | 1.山东轻工业学院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 |
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| Abstract:In this paper, two fixing agents, Hybrid 7655 and Hybrid 8185 and their effects on control of sticky contaminants were studied. Pulps were sampled from three major points of a deinking pulping line, i.e. the post-flotation, the DIP storage tower and the PM head box. Deposition of sticky contaminants was evaluated by the aluminum foil method, and influences of applying fixing agent on the contents of dissolve and colloidal substances, the filtrate turbidity, the cationic demand and Zeta potential of the pulps were determined. The results showed that deposits decreased significantly, meanwhile, DCS, turbidity and cationic demand decreased accordingly. The fixing agent Hybrid 7655 was more effective for removing stickies. Moreover, the fixing agents showed a better performance when it were added into the DIP storage tower. Adding fixing agents deteriorated the paper physical properties to some extent, the negative effect depended on the dosage added. |
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