基于玉米秸秆乙酸法制浆废液的土壤改良剂研究

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作者简介：徐丹婕，在读硕士研究生；主要从事生物质资源组分分离及高值化利用等方面的研究。

关键词：玉米秸秆；乙酸制浆；制浆废液；土壤改良 中图分类号：X793 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.08.005

Study on the Use of Waste Liquid from Corn Straw Acetic Acid Pulping as Soil Conditioners

XU Danjie PING Qingwei*SHANG Jin SHENG XueruZHANG Jian LINaWANG Bing （SchoolofLightIndustryandChemical Engneering，DalianPolytechnic University，Dalian，LiaoningProvince，6034） （*E-mail： pingqw@dlpu.edu.cn）

Abstract：Inthisudy，tewasteliquidfromacetiacidpulpingofcotra（referedtoasdegradationliquid）wasuse.Troughpotting experiments，teetsofdieretdilutionatio（Ois）ofegrdationliqudosoilpsicoceicalpropertis，actii ties，andthegrowthofleafyvegetableplantsereexploredTheresultsshowedthattedegradationliquidcontaiedvariouscoponts suchassugarsandsallmolculeoganicacids.Theapplicationofegradationsolutioncouldincreasethecontentofsoilorganicatte， decreasehepHvalue，ncreaseteelectricalconductivityandehancethactitiesofsucrasendphosphatase.Whenthedilutiorati was greaterthnOs，eilulesicread，eaterontteasdtottsftotalospodbleo phorusbothincreased，andtheactivitiesofureaseandcatalasebothdecreased.Whenthedilutionratioasgreaterthan5Oies，hecontentofammouitrogenofsoil increasedDegradatiosoutiosdluted50tOOtiescouldallpromoteplantgrowthmongwichthe plantstreatedwithdegradationsolutiondiluted1OOtimeshadthebestgrowthInconclusion，theentirecomponentofthewasteliqudrom aceticcidpulpingofostalksouldbeusedtoimproesoilquaityhedgradonliquidatnapproprateoncentratioouldefe tivelyenhanethephysicalproperties，chemicalfertility，ndbiologicalfertilityofthesoil，andpromotethegrowthofcops.

eywords：corn stalk；acetic acid pulping；pulping waste liquid;soil improvemenl

玉米秸秆是我国分布范围广、产出量较大的一种农业废弃物，其资源化利用备受关注。（剩余19176字）