漂白废报纸脱墨浆AKD施胶过程的湿部化学环境分析  被引量:1

Wet Chemical Environment Analysis of Alkyl Ketene Dimmers (AKD) Sizing of Bleached Waste Newspaper Deinked Pulp

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作  者:韦黎[1] 曹云峰[1] 熊林根[1] 

机构地区:[1]南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏南京210037

出  处:《纤维素科学与技术》2011年第4期51-55,共5页Journal of Cellulose Science and Technology

基  金:"江苏省青蓝工程中青年学术带头人培养对象"省教育厅资助课题(164105308)

摘  要:对漂白废报纸脱墨浆AKD(烷基烯酮二聚物)施胶过程中AKD用量、CS(阳离子淀粉)用量、PCC(沉淀碳酸钙)用量和CPAM(阳离子聚丙烯酰胺)用量进行四因素三水平方差分析,当AKD用量为0.2%~0.4%(质量分数),CS用量为0.6%~1.0%,PCC用量为5%~15%,CPAM用量为0.03%~0.09%时,AKD施胶较为适宜工艺条件为:AKD用量0.4%,CS用量0.6%,PCC用量5%,CPAM用量0.03%。对纸浆动电特性的研究表明,成纸的施胶度基本与纸浆中的Zeta电位、浆料溶解电荷需求量的变化趋势一致。在施胶过程中,控制Zeta电位、浆料溶解电荷需求量也是影响AKD施胶效果的重要因素。An L9(34)orthogonal test was designed to study the effects of AKD (alkyl ketene dimmers) charge, CS (cationic starch) charge, PCC (precipitated calcium carbonate) charge and CPAM (cationic polyacrylamide) charge on AKD sizing of bleached waste newspaper deinked pulp. And the optimal conditions were as follows: AKD dosage 0.4%, CS dosage 0.6%, PCC dosage 5% and CPAM dosage 0.03%. The variation tendency of sizing performance was essentially consistent with the Zeta potential value and cationic demand of furnish. In sizing process, Zeta potential and cationic demand of pulp was also an important factor, which was influential in the AKD sizing performance.

关 键 词:烷基烯酮二聚物(AKD) 电荷检测 Zeta电位 阳离子需求量 

分 类 号:TS753.9[轻工技术与工程—制浆造纸工程]

 

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