基于活性电解水的硫酸盐针叶木浆室温漂白性能研究OA
Study on the Bleaching Performance of Kraft Softwood Pulp Using Active Electrolyzed Water at Room-temperature
本研究在室温条件下,探究了活性电解水对硫酸盐针叶木浆的漂白效果,同时分析了液比、漂白时间等工艺参数对纸浆CIE白度、卡伯值、纤维素聚合度、力学性能等的影响.结果表明,在室温静置条件下漂白12 h后,硫酸盐针叶木浆的白度可由22.7％提升至71.3％,卡伯值2.95,纤维素聚合度918,且纸浆力学性能保持良好;活性电解水无色无臭、温和无刺激,使用前后pH均保持中性.活性电解水含有活性氧物种如超氧自由基(·O2-),能有效与纸浆中的木质素反应,降低纸浆中木质素含量,破坏发色基团,提高纸浆白度.
In this study,the bleaching performance of kraft softwood pulp with active electrolyzed water at room temperature was investigat-ed,and the effects of process parameters such as pulp-to-liquid ratio and bleaching time on pulp properties including CIE whiteness,Kappa value,polymerization degree of cellulose,and mechanical strength of pulp were analyzed.The results showed that the whiteness of kraft soft-wood pulp could be increased from 22.7％to 71.3％,with a Kappa value of 2.95,polymerization degree of cellulose of 918,and good me-chanical properties under static conditions at room temperature for 12 h.Activated electrolyzed water was colorless,odorless,mild,and non-irritating,with a neutral pH maintained both before and after use.Comprehensive test results indicated that active electrolyzed water contained active oxygen species such as superoxide radicals(·O2-),which could react with the lignin in the pulp effectively,reduced the lig-nin content of pulp,disrupt the chromophore structure,and improved the whiteness of pulp.
徐梦雅;柴潇洒;张翠倩;赵晋;王高升;刘泽华
天津科技大学生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,中国轻工业造纸与生物质精炼重点实验室,纺织行业高性能纤维湿法非织造材料重点实验室,天津,300457天津科技大学生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,中国轻工业造纸与生物质精炼重点实验室,纺织行业高性能纤维湿法非织造材料重点实验室,天津,300457天津科技大学生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,中国轻工业造纸与生物质精炼重点实验室,纺织行业高性能纤维湿法非织造材料重点实验室,天津,300457天津工业大学纺织科学与工程学院,天津,300387天津科技大学生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,中国轻工业造纸与生物质精炼重点实验室,纺织行业高性能纤维湿法非织造材料重点实验室,天津,300457天津科技大学生物基纤维材料全国重点实验室,天津市制浆造纸重点实验室,中国轻工业造纸与生物质精炼重点实验室,纺织行业高性能纤维湿法非织造材料重点实验室,天津,300457
轻工纺织
活性电解水硫酸盐针叶木浆室温漂白
active electrolyzed waterkraft softwood pulproom temperaturebleaching
《中国造纸》 2026 (6)
101-108,8
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