蔗渣氧碱蒸煮工艺研究:第二部分——化学预处理的影响  

Study on Bagasse Oxygen-alkali Pulping Technology-PartⅡ:Effect of Chemical Pretreatment

作　　者：苗国华 王正丰 李靖 陈克利[1] 赵金涛 温建宇 何亮 MIAO Guo-hua;WANG Zheng-feng;LI Jing;CHEN Ke-li;ZHAO Jin-tao;WEN Jian-ning;HE Liang(Faculty of Chemical Engineering,Kunming University of Science and Technology,Kunming 650500,China;China Tobacco Yunnan Reconstituted Tobacco Co.,Ltd,Kunming 650106,China;China Light Paper Inspection&Certification Co.,Ltd,Beijing 100102,China;State Key Laboratory of Pulp and Paper Engineering,South China University of Technology,Guangzhou 510640,China)

机构地区：[1]昆明理工大学化学工程学院,云南昆明650500 [2]云南中烟再造烟叶有限责任公司,云南昆明650106 [3]中轻纸品检验认证有限公司,北京100102 [4]华南理工大学制浆造纸工程国家重点实验室,广东广州510640

出　　处：《纤维素科学与技术》2021年第4期1-10,共10页Journal of Cellulose Science and Technology

基　　金：国家自然科学基金(21968014)、(21576105);华南理工大学制浆造纸工程国家重点实验室开放基金(202004)。

摘　　要：对三种化学预处理辅助蔗渣氧碱制浆的成浆性能进行了研究。结果表明:在三种预处理中,热水预处理辅助氧碱制浆的成浆得率最高且卡伯值最低;而NaOH-H2O2预处理虽然有效地降低了蒸煮能耗与碱液用量,但浆料性能低于热水预处理。相比之下,酸预处理可得到聚合度最高的浆料,但整个过程所需能耗最高且其它成浆性能较差。最后,对比单段氧碱制浆可知,单段氧碱制浆得率更高,但其它的成浆指标(筛渣率、粘度、卡伯值)均低于化学预处理。此研究也将为后续蔗渣综合预处理氧碱制浆提高参考,以期寻找出最适合于提升蔗渣氧碱制浆性能的预处理工艺。The pulping performance of bagasse-assisted oxygen-alkali pulping with three chemical pretreatments was investigated.The results showed that among the three pretreatments,the hot water pretreatment assisted oxygen-alkali pulping gave the highest pulp yield and the lowest kappa number,while the NaOH-H2O2 pretreatment effectively reduced the energy of cooking and lye consumption,but the pulp performance was lower than that of the hot water pretreatment.In contrast,the acid pretreatment resulted in the highest viscosity pulp,but the whole process required the highest energy consumption and the other pulping performances were poor.Finally,comparing the first-stage oxygen-alkali pulping,it was found that the first-stage oxygen-alkali pulping yield was higher,but the other pulping performances(sieve residue rate,viscosity,kappa number)were lower than the chemical pretreatment.This study will also improve the reference for the subsequent integrated pretreatment of bagasse for oxygen-alkali pulping,in order to find the most suitable pretreatment process to improve the performance of bagasse oxygen-alkali pulping.

关 键 词：蔗渣 水预处理 碱预处理 酸预处理 氧碱制浆 

分 类 号：TS7431[轻工技术与工程—制浆造纸工程]