纤维素科学与技术2023，Vol.31Issue(4)：33-38,6.DOI:10.16561/j.cnki.xws.2023.04.06
造纸污泥回填纸幅制备瓦楞芯纸的工艺研究
Research on the Technology of Corrugated Core Paper-making from Paper Sludge Backfill
摘要
Abstract
On the basis of not reducing the performance of paper,backfilling the self-produced biochemical sludge from pulp and paper mills into paper can not only realize the resourceful utilization of sludge and reduce the cost of solid waste treatment but also save the amount of calcium carbonate and other fillers used in the formation of paper and reduce the production cost.Based on this,the preparation of corrugated core paper was studied using the discharged biochemical sludge from the pulp mill as fillers and sodium carboxymethyl cellulose as a reinforcing agent.The results showed that the addition of 30％biochemical sludge(relative to the absolute dry pulp)helped to improve the physical properties of corrugated core paper to an extreme,with a tensile index of 22.02,a tear index of 17.86 N•m2/g,ring crush index of 4.38 N•m2/g.In addition,the enhancement effect on the mechanical properties of the core paper was most obvious when the dosage of sodium carboxymethyl cellulose was controlled at 1.6％under 30％sludge backfill.At this time,the tensile index could reach 29.85 N•m2/g,the tear index was 20.41 N•m2/g,and the ring compression index increased to 6.21 N•m2/g.In conclusion,after backfilling with biochemical sludge and internal sizing of CMC,the corrugated core paper obtained under optimal process conditions meets the basic requirements for core strength in corrugated board production and has practical value for promotion.关键词
造纸污泥/瓦楞芯纸/羧甲基纤维素钠/固废综合利用Key words
paper mill sludge/corrugated core paper/sodium carboxymethyl cellulose/multipurpose use of solid waste分类
轻工纺织引用本文复制引用
刘艳飞,刘佳伟,夏富成,牛铭龙,彭丽娟,何亮,梁胜,刘玉新..造纸污泥回填纸幅制备瓦楞芯纸的工艺研究[J].纤维素科学与技术,2023,31(4):33-38,6.基金项目
云南省重点研发计划课题(No.202303AC100002-03) （No.202303AC100002-03）
国家自然科学基金(No.22008097、21968014). （No.22008097、21968014）
