蔗渣氧碱浆的臭氧漂白研究  

Study on Ozone Bleaching of Bagasse Oxygen Alkaline Pulp

作　　者：吴祖东 陈克利 朱维 俞华峰 连华阳 孙海梅 吴初柱 范青 WU Zudong;CHEN Keli;ZHU Wei;YU Huafeng;LIAN Huayang;SUN Haimei;WU Chuzhu;FAN Qing(Yunnan Paper Quality Supervision and Inspection Station,Kunming,Yunnan Province,650034;Research Center of Pulp and Paper Engineering,Kunming University of Science and Technology,Kunming,Yunnan Province,650500;Shandong Papermaking Industry Research&Design Institute,Ji’nan,Shandong Province,250014;Hubei Forbon Technology Co.,Ltd.,Wuhan,Hubei Province,430200;Ezhou Hydrology and Water Resources Survey Bureau,Ezhou,Hubei Province,436000)

机构地区：[1]云南省造纸产品质量监督检验站,云南昆明650034 [2]昆明理工大学制浆造纸工程研究中心,云南昆明650500 [3]山东省造纸工业研究设计院,山东济南250014 [4]湖北富邦科技股份有限公司,湖北武汉430200 [5]鄂州市水文水资源勘测局,湖北鄂州436000

出　　处：《中国造纸》2021年第8期27-33,共7页China Pulp & Paper

摘　　要：本研究对清洁的臭氧以及过氧化氢氧系漂白工艺的蔗渣氧碱浆漂白效果进行了探索与优化。结果表明,在浆浓40%、臭氧浓度为0.9 kg(/min·t)(以绝干浆计)、常温漂白10 min、复合酸用量1.5%、pH值2.5的条件下,可获得理想的臭氧漂白蔗渣氧碱浆。该浆在氧碱浆基础上,白度从58.6%提高到74.5%,增加15.9个百分点;黏度从827 mL/g下降到780 mL/g,降低5.7%。最佳臭氧漂白条件下得到的纸浆再进行过氧化氢漂白或氧强化过氧化氢漂白,在纸浆黏度基本保持不变的条件下,纸浆白度达80%以上。In this study,it was explored and optimized the bleaching effects on bagasse oxygen alkaline pulp of clean ozone and oxygen bleaching processes with hydrogen peroxide.It was shown that the ideal ozone bleached bagasse oxygen alkaline pulp could be obtained under the conditions of the pulp concentration of 40%,ozone concentration of 0.9 kg(/min·t)(calculated as absolute dry pulp),bleaching for 10 min at room temperature,compound acid dosage of 1.5%,and pH value of 2.5.Compared with original oxygen alkaline pulp,the whiteness of ozone bleached bagasse oxygen alkaline pulp increased from 58.6% to 74.5%,with an increase of 15.9 percentage points,and the viscosity of it decreased from 827 mL/g to 780 mL/g,with a decrease of 5.7%.When the viscosity of the pulp basically unchanged,the ozone bleaching pulp obtained under optimum conditions was further bleached with hydrogen peroxide or oxygen enhanced hydrogen peroxide,whose whiteness could be reached more than 80%.

关 键 词：蔗渣 氧碱浆 臭氧漂白 过氧化氢漂白 TCF漂白 

分 类 号：TS745[轻工技术与工程—制浆造纸工程]