隔油-水解酸化-两级AO组合工艺处理生猪屠宰废水

工业用水与废水陨晕阅哉杂栽砸陨粤蕴宰粤栽耘砸驭宰粤杂栽耘宰粤栽耘砸灾燥造援51晕燥援1Feb.袁2020黄超1,曹文平2,衡强强2,曹建平2,李泽兵2,江成2渊1.邳州市环境监测站袁江苏徐州221300曰2.江苏莲洋港环保科技有限公司袁江苏徐州221111冤生猪屠宰过程中会产生高浓度尧高色度和高悬浮物的有机废水袁该有机废水中常常含有大量毛发尧粪便尧碎骨尧血液尧肉渣尧油脂等袁呈红褐色且有明显的恶臭味袁悦韵阅尧月韵阅5尧氨氮尧杂杂等水质指标都很高袁是污染较重的工业污染源袁对其进行有效处理是水环境保护的重点工作之一咱员原猿暂遥安徽省宿州市某生猪屠宰厂每天产生废水约员园园m3袁主要来自屠宰车间尧车辆冲洗间和办公楼遥当地环保主管部门和业主要求处理后水质达到郧月员猿源缘苑要19怨圆叶肉类加工工业水污染物排放标准曳一级标准遥本工程采用隔油原水解酸化原两级粤辕韵组合工艺处理生猪屠宰废水袁为生猪屠宰废水处理提供有益参考和借鉴遥摘要院针对生猪屠宰废水有机物浓度高且生化性好等特点袁并基于处理效果好尧运行维护简单和运行成本低等考虑袁设计采用隔油原水解酸化原两级粤辕韵工艺组合处理生猪屠宰废水遥介绍了该工程的工艺流程和主要构筑物设计参数袁给出了处理效果和运行成本遥运行结果表明院当进水悦韵阅质量浓度为圆缘园园耀猿圆园园皂早辕蕴袁月韵阅缘质量浓度为员员园园~员源缘园皂早辕蕴袁氨氮质量浓度为员员园耀员源缘皂早辕蕴袁杂杂质量浓度为员愿缘~圆远园皂早辕蕴袁动物油质量浓度为源园园~源缘园皂早辕蕴时袁该工艺出水水质优于郧月员猿源缘苑要员怨怨圆叶肉类加工工业水污染物排放标准曳一级排放限值袁出水清澈透明袁运行成本仅为员援苑愿元辕贼遥关键词院生猪屠宰废水曰隔油曰水解酸化曰两级粤辕韵工艺中图分类号院载苑03.1文献标志码院B文章编号院摇员园园怨原圆源缘缘渊圆园20冤园1原园园66原园源Treatmentofpigslaughteringwastewaterbycombinedprocessofoilseparation-hydrolyticacidification-twostage粤辕韵匀哉粤晕郧悦澡葬燥员袁悦粤韵宰藻灶原责蚤灶早圆袁匀耘晕郧匝蚤葬灶早原择蚤葬灶早圆袁悦粤韵允蚤葬灶原责蚤灶早圆袁蕴陨在藻原遭蚤灶早圆袁允陨粤晕郧悦澡藻灶早圆渊1.PizhouEnvironmentalMonitoringStation,Xuzhou221300,China;2.JiangsuLYGEnvironmentalProtectionTechnologyCo.,Ltd.,Xuzhou221111,China冤Abstract院Inviewofthecharacteristicsofpigslaughteringwastewatersuchas:highorganicmattersconcen鄄tration,goodbiodegradability,andsoon,acombinedprocessofoilseparation-hydrolyticacidification-twostageA/Owhichhasadvantagesofgoodtreatmenteffect,easyoperationandmaintenance,loweroperationcostetc,wasadoptedforitstreatment.Theprocessflowandthedesignparametersofthemainstructureswereintroducedwiththetreatmenteffectandoperationcostpointedoutatthesametime.Theoperationresultsshowedthat:whenthemassconcentrationsofCOD,BOD5,ammonianitrogen,SSandanimaloilwere2500-3200,1100~1450,110-145,185-260and400-450mg/Lrespectively,theeffluentwaterqualitywassuperiortotherequirementofgrade1inGB13457要1992DischargeStandardofWaterPollutantsforMeatPackingIndustry,whichwasclearandtransparent,andtheoperationcostwasonly1.78yuan/t.Keywords院pigslaughteringwastewater;oilseparation;hydrolyticacidification;twostageA/Oprocess隔油-水解酸化-两级粤辕韵组