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| Application of the Drainage Aids in the Slurry of Fiber Sealing Materials |
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| DOI：10.11980/j.issn.0254-508X.2015.05.002 |
| Key Words:fiber sealing materials drainage aid systems specific filtration resistance(SFR) drainage formation |
| Author Name | Affiliation | | 李厦1.2 | 1.中国制浆造纸研究院,北京,100102；2.制浆造纸国家工程实验室,北京,100102 | | 李杰辉1，2,3，* | 1.中国制浆造纸研究院,北京,100102；2.制浆造纸国家工程实验室,北京,100102；3.天津科技大学天津市制浆造纸重点实验室, 天津,300457 | | 庄金风1,2 | 1.中国制浆造纸研究院,北京,100102；2.制浆造纸国家工程实验室,北京,100102 |
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| Abstract:The impacts of different drainage aid systems on drainage of the slurry of fiber sealing materials and the formation of its sheets were studied. The result showed that CPAM-bentonite system could effectively improve the drainage while maintaining good formation. With the increase of stirring speed after adding CPAM, the drainage performance of CPAM-bentonite system decreased. It was also found that for the stock system, when the pH value was between 4.5 and 9.5, the conductivity was between 750 μS/cm and 5000 μS/cm, the cationic demand was below 30 μmol/L, the CPAM-bentonite drainage aid system had always performed well. |
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