低共熔溶剂预处理纯化毛竹机械浆的研究

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关键词：低共熔溶剂；毛竹；机械浆；纯化；预处理中图分类号：TS743 文献标识码：A DOI： 10.11980/j.issn.0254-508X.2025.11.013

Research on the Pretreatment and Purification of Moso Bamboo MechanicalPulp with Deep Eutectic Solvents

XIE Junxian CHEN Junjun ZHU Shiyun FENG Nianjie YANG Haitao* （SchoolofMaterialScienceandChemicalEnginering，Hubei UniversityofTechnology，Wuhan，HubeiProvince，40068） （*E-mail：pphtyang1979@aliyun.com）

Abstract：ThisstudyutilizedMosobamboomechanicalpulpasrawmaterialandemploedadepeuteticsolvent（DES）forpretreatment， andinvestigatedthiteractiostwnDndhemicellolignudervargonditostevelopdtiepretreatparaeterssuitablefrmechanicalpulp.Thepretreatedbamboopulpwasfurtherbleachedusinganalkalitreamentprocessenhancedwithsodium hypochlorite and hydrogen peroxide （（ Hd -EP-H，），investigating the efects of bleaching conditions on pulp properties.The results showed thatmoderatelyincreasingthetemperatureandtieofESpretreatmentnhancedthermovalatesofligninandhmicellulosewileiprovingcellosepurityHoweverexcesivelyghtemperaturesandprolongedtiscausedcellosedegrdationduringDESpretratment.Bleachingfurtherremovedligninandhemicelulose，improvingpulpproperties.Thefinalbleachedpulpachievedabrightnessof （204号 90.2% ， α -cellulose content of 93.47% ，ash content of 0. 23% ，and ayield of 38.1% ：

Key words：deep eutectic solvent；Moso bamboo；mechanical pulp；purified；pretreatment

竹材作为一种生长迅速、资源丰富且可持续的优质生物质原料，其纤维特性在替代木材用于制浆方面展现出巨大潜力[1-2]。（剩余12289字）