秸秆原料沼液预处理技术研究分析及评价李秋敏杨洋(云南农业职业技术学院,云南昆明650220)摘要秸秆原料的结构组成复杂,阻碍了其有效厌氧消化。沼液预处理技术能有效改变秸秆类原料结构,促进其厌氧消化。本文在介绍秸秆类原料预处理方法的基础上,对秸秆原料沼液预处理技术研究现状进行了分析,总结了目前秸秆原料沼液预处理技术的处理对象、方法、评价指标等,同时针对现状分析评价了目前秸秆类原料沼液预处理技术存在的问题和不足,并进行了展望,以期为该技术的推广应用提供参考。关键词秸秆;厌氧发酵;沼液预处理;技术评价中图分类号X712文献标识码A文章编号1007-5739(2023)22-0115-04DOI:10.3969/j.issn.1007-5739.2023.22.029开放科学(资源服务)标识码(OSID):ResearchAnalysisandEvaluationofBiogasSlurryPretreatmentTechnologyofStrawRawMaterialLIQiuminYANGYang(YunnanVocationalCollegeofAgriculture,KunmingYunnan650220)AbstractThecomplexstructureandcompositionofstrawrawmaterialshinderstheireffectiveanaerobicdigestion.Biogasslurrypretreatmenttechnologycaneffectivelychangethestructureofstrawrawmaterialsandpromotetheiranaerobicdigestion.Basedontheintroductionofpretreatmentmethodsofstrawrawmaterials,thispaperanalyzedtheresearchstatusofbiogasslurrypretreatmenttechnologyofstrawrawmaterials,andsummarizedthecurrentprocessingobjects,methods,evaluationindicatorsandotheraspectsofthetechnology.Atthesametime,accordingtothecurrentsituation,thispaperanalyzedandevaluatedtheexistingproblemsandshortcomingsofbiogasslurrypretreatmenttechnologyofstrawrawmaterials,andmadeprospects,soastoprovidereferencesforthepromotionandapplicationofthistechnology.Keywordsstraw;anaerobicfermentation;biogasslurrypretreatment;technologyevaluation通过厌氧消化产甲烷是秸秆资源化利用的有效手段,既可减少焚烧带来的环境污染,又能产生清洁能源,沼渣、沼液还可用于农业种植。但是,由于秸秆的主要成分为纤维素、半纤维素和木质素,其复杂的结构组成导致秸秆很难被厌氧消化降解并有效产甲烷,秸秆在厌氧消化过程中容易出现进料困难、漂浮、传质效果差、不宜搅拌、发酵体系易酸化、气体释放困难等问题。为提高秸秆厌氧发酵的效率,一般主要采用物理、化学和生物等预处理方法提高原料的...