三倍体毛白杨KP纸浆TCF漂白的研究  

TCF bleaching of KP pulp from triploid Populus tomentosa

作　　者：刘玉[1] 詹怀宇[1] 陈嘉川[2] 李宗全[1] 杨桂花[2] 

机构地区：[1]华南理工大学制浆造纸工程国家重点实验室,广东广州510640 [2]山东轻工业学院,山东济南250100

出　　处：《中华纸业》2005年第7期34-36,共3页China Pulp & Paper Industry

基　　金："山东省自然科学基金"资助项目(Y2003B02)

摘　　要：实验室蒸煮得到三倍体毛白杨KP纸浆:白度35.0%ISO,卡伯值13.2,粘度939mg/l。对KP纸浆进行TCF-OQP漂白实验,得出OQP各段最适宜的工艺条件如下:O段,浆浓10%,用碱量3%,MgSO40.5%,氧压0.6MPa,温度95℃,时间60min;Q段,浆浓10%,EDTA用量0.3%,初始pH值3,温度70℃,时间60min;P段,浆浓10%,H2O2用量3%,MgSO40.1%,NaOH1.5%,温度90℃,时间210min。在优化的OQP条件下,KP纸浆的白度可达80.4%ISO,强度较好。The kraft pulp from Triploid Polulus tomentosa was obtained in the laboratory with brightness of 35.0% ISO, kappa number of 13.2 and viscosity of 939mg/l. The KP was bleached with a TCF sequence - OQP bleaching. The optimal conditions for O, Q and P stages were: Q stage: pulp consistency 10%, NaOH dosage 3%, MgSO4 0.5%, oxygen pressure 0.6MPa, temperature 95 o C for 60 minutes; Q stage: pulp consistency 10%, EDTA dosage 0.3%, initial pH value 3, temperature 70 o C for 60 minutes; P stage: pulp consistency 10%, H2O2 dosage 3%, MgSO4 0.1%, NaOH 1.5%, temperature 90 o C for 210 minutes. Under the optimal OQP conditions, the bleached KP pulp was obtained with a brightness of 80%ISO and relatively high physical strength.

关 键 词：三倍体毛白杨 TCF漂白 纸浆 H2O2用量 初始PH值 工艺条件 EDTA ISO 实验室 卡伯值 浆浓 用碱量 温度 时间 白度 蒸煮 氧压 

分 类 号：TS745[轻工技术与工程—制浆造纸工程] S792.117[农业科学—林木遗传育种]