餐厨废弃物资源化利用项目臭气分类治理工艺优化与工程验证

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关键词：餐厨废弃物；臭气；生物滤池；紫外线（UV）；光催化氧化中图分类号：X701 文献标识码：A 文章编号：1008-9500(2025)11-0059-05DOI: 10.3969/j.issn.1008-9500.2025.11.019

Optimization and Engineering Validation of Odor Classification Treatment Process for Food Waste Resource Utilization Projects

ZHONGMin,WANGShunhe (Yuxing Environmental ProtectionEngineeringCo.,Ltd.,Foshan528Ooo,China)

Abstract: Withtheaccelerationofurbanization,the urbanpopulationhassurged dramatically,leading toasharp increasein food waste and a growing demand forodorpolltioncontrol.The treatmen process offood waste generates foul gases such as H2S and NH 13 ,which not only pose athreat to human healthbut also increase thelikelihood ofenvironmental complaints from residents. To this end, taking a food waste recycling project with a treatment capacity of 250t/d as an example,a classified odor treatmentsystem isestablished,and theodors arecategorizedandcollcted basedon highandlowconcentrations, followed by treatment using different processes.High-concentrationodortreatment employs the process of“acid washing + （2 alkali washing + biofilter + Ultraviolet (UV） photocatalytic oxidation”,while low-concentration odor treatment adopts the process of "alkali washing + UV photocatalytic oxidation".The operational data indicates that after high-concentration odor treatment, the total removal rate of HSis 98.7% ,andthatof NH 3 is 97.6% ； in low-concentration odorous gases, the total removal rate of H2S is 70% ,and that of NH 3 is 60% . The final odor emission concentration is below the limit specified in the Standard fortheEmissionofMalodorousPolltants (GB14554—1993),aditionally,thefullyautomatedcontrolystemof this treatment process also reduces labor costs.The relevantresearch conclusions provides solutions for the constructionof “zero-waste city”and the resource utilization of food waste.

Keywords: food waste; odor; biofilter; Ultraviolet (UV);photocatalytic oxidation

据统计，截至2024年末，我国城镇化率已达67% ，餐厨垃圾年产生量激增，年复合增长率约为 7% 。（剩余7728字）