第48卷第1期2023年1月环境科学与管理ENVIRONMENTALSCIENCEANDMANAGEMENTVol.48No.1Jan.2023收稿日期:2022-11-14作者简介:赵胤(1986-),男,博士,主要从事固体废物检测、危险废物鉴别相关工作。文章编号:1674-6139(2023)01-0144-05某动力储能锂离子电池生产企业NMP回收液危废鉴别研究赵胤(通标标准技术服务(上海)有限公司,上海200237)摘要:随着近年来国内锂电池生产行业的迅猛发展,N-甲基吡咯烷酮作为锂电池生产过程中使用的溶剂,其回收液的产生量也迅速增加。目前国内各地对于NMP回收液的定性仍然存在差异,因此NMP回收液的管理也成为许多企业面临的共同难题。以某锂离子电池生产企业产生的NMP回收液为例,根据其产生工艺、原辅料组成及国家危险废物鉴别相关标准对NMP回收液进行危废鉴别,明确NMP回收液的固废属性,并提出相关建议和要求,对同类项目具有较好的借鉴意义。关键词:N-甲基吡咯烷酮;危险废物;危废鉴别;回收利用中图分类号:X705文献标志码:BResearchonHazardousWasteIdentificationofNMPRecycledLiquidinAPowerStorageLithium-IonBatteryProductionManufacturerZhaoYin(SGS-CSTCStandardsTechnicalServices(Shanghai)Co.,Ltd.,Shanghai200237,China)Abstract:Withtherapiddevelopmentofthedomesticlithiumbatteryproductionindustryinrecentyears,therecycledliquidproductionofN-methylpyrrolidoneasasolventusedinthelithiumbatteryproductionprocesshasalsoincreasedrapidly.Atpres-ent,therearestilldifferencesinthepropertyofNMPrecycledliquidinvariouspartsofthecountry,sothemanagementofNMPrecycledliquidhasalsobecomeacommonproblemfacedbymanymanufacturers.TakingtheNMPrecycledliquidofalithium-ionbatterymanufacturerasanexample,thehazardouswasteidentificationiscarriedoutaccordingtotheproductionprocessanaly-sis,thecompositionofrawandauxiliarymaterialsandthenationalhazardouswasteidentificationstandards.ThepurposeistoclarifythepropertiesofNMPrecycledliquid,andtoputforwardcorrespondingmanagementrequirementsandsuggestions,whichalsohavecertainreferencesignificanceforsimilarprojects.Keywords:N-methylpyrrolidone;hazardouswaste;hazardouswasteidentification;recycling前言N-甲基吡咯烷酮(N-methylpyrrolidone,简称NMP)外观呈无色或淡黄色液体...