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The research of co-flocculation of fines-calcium under the system of Double system
Author(s): 
Pages: 18-23
Year: Issue:  1
Journal: Hunan Papermaking

Keyword:  P-RC APMPCPAM/膨润土共絮聚;
Abstract: 以杨木P-RC APMP为原料,对其进行筛分,并对P-RC APMP细小纤维与碳酸钙进行共絮聚,研究了CPAM/膨润土微粒助留体系下,不同的CPAM添加量、膨润土用量及剪切力对细小纤维-碳酸钙共絮聚的影响;结果表明:随着CPAM用量的增加,细小纤维-碳酸钙絮聚团的表面负电荷与浆料的Zeta电位绝对值都在不断减小,细小组分的留着率在不断增大;随着膨润土用量的增加,共絮聚团的平均弦长在不断增大,细小组分的留着在不断增大;随着剪切力的增大,细小纤维-碳酸钙絮聚团的尺寸在不断减小.
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