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该文考察了造纸系统封闭循环运行对纸张性能的影响。实验以挂面纸板浆、新闻纸浆和文化用纸浆为原浆,并分别取其白水槽中白水,采用反渗透技术制备了模拟的高浓度白水,再用制备的高浓度白水抄造手抄片并进行检测分析;结果表明:白水浓度的增加将导致纸张的表面抗张强度有所下降,强度性能显著降低,光散射系数增加。
This paper examines the papermaking system closed loop operation on the paper performance. Experiments to the liner pulp, newsprint and cultural pulp as the original pulp, respectively, and its white water from the white water tank, the use of reverse osmosis technology to prepare a simulated high concentration of white water, and then the preparation of high concentrations of white water feces hand-copied sheet and carried out The results show that the increase of white water concentration will lead to the decrease of surface tensile strength, the decrease of the strength property and the increase of light scattering coefficient.