Fenton试剂氧化混凝深度处理焦化废水的试验田亚赛

12　220106　　JOURNALOFLIAONINGINSTITUTEOFSCIENCEANDTECHNOLOGY　Vol.12　No.2Jun.　2010:1008-3723(2010)02-0001-03Fenton-田亚赛,孙国军,兴虹(,117004):以COD、总氰化物为指标,考察了Fenton试剂氧化法去除焦化废水中难降解有机物、氰化物的条件,并将自制的PFAS用于混凝处理,小试结果表明,经过Fenton试剂氧化-混凝技术深度处理的焦化废水,可达到辽宁省污水综合排放标准要求,方法具有实用性。:Fenton试剂;混凝;焦化废水;深度处理:X757　　　　:A　　、,、、、,,,,,(A2/O)—。,,A2/O,COD、、,、,、,,,。Fenton,H2O2、Fe2+(Fenton)·OH,,COD〔1〕。,〔2〕,Fenton,,99%〔2〕,,Fenton。COD、,Fenton、,(PFAS)〔3〕,Fenton—,,,(DB21/1627-2008)〔4〕,。1　1.1　:,A2/O,。1。:(),7230G(),PHS-2F(),HI93703-11:2010-03-20:(:20060440):(1962—),,,,.(),()。:、、、,,,。PFAS:〔3〕:-〔5〕。:〔5〕。COD:〔5〕。:〔5〕。:-4-〔5〕。1　CODPH(mg/L)1984.11601100.657.61.2　400ml(30℃),10%PH,2%Fe2+、3%H2O2,1min(160r/min),5min(50r/min),10min,。300ml,40min,PH8～9,10%PFAS,2min,PAM,10min,10min,、COD。2　2.1　pHCODpH、COD(1)。,pH,,pH2.5～4,99%,PH=3,。COD,pH2～3,pH;pH3,pH,pH2.5～4,,84%。,pHCOD、,pH=3,,〔2〕,pH4。　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　121　pH、COD2.2　Fe2+COD,Fe2+,,,Fe2+60mg/L,99%。COD,Fe2+,COD,Fe2+100mg/L,COD,86.5%,Fe2+,·OH,;Fe2+,·OH,,COD〔6〕。,Fe2+100mg/L。2　Fe2+COD2.3　H2O2COD,H2O2,,H2O220mg/L,,95%,H2O2100mg/L,99%。COD,H2O2200mg/L,,86.6%,H2O2,·OH,,COD;H2O2,H2O2·OH,Fe2+Fe3+,·OH,COD〔6〕。,H2O2200mg/L。3　H2O2COD2.4　COD30℃,H2O2,:40min,COD86.5%,,,,40min。4　COD2.5　PFASCODPH8～9,PFAS,2mg/LPAM,PFASCOD5,,PFAS160～200mg/L,COD85%,,PFAS180mg/L。5　PFASCOD,Fenton-,6。6　1、2、1,Fenton,32。,,2,(DB21/1627-2008)〔4〕。2　(mg/L)COD37.60.11150.181%97.3%90.6%85%≤50≤0.2≤30≤0.33　Fenton,、H2O2、Fe2+,212　220106　　JOURNALOFLIAONINGINSTITUTEOFSCIENCEANDTECHNOLOGY　Vol.12　No.2Jun.　2010Fenton。PFASFenton,,65%〔3〕。,Fenton,,,〔7〕。,Fenton-,,。〔1〕许海燕,李义久,刘亚菲.Fenton-混凝催化氧化法处理焦化废水的影响因素〔J〕.复旦学报(自然科学版),2003,42(3):440-444.〔2〕田亚赛,孙国军,兴虹.利用Fenton试剂去除焦化废水中的氰化物〔J〕.辽宁科技学院学报,2010,12(1):31-32.〔3〕兴虹,田亚赛,孙国军.炼钢污泥制备聚合硫酸铁铝絮凝剂及应用研究〔J〕.辽宁科技学院学报,2010,12(1):26-28.〔4〕DB21/1627-2008.辽宁省污水综合排放标准〔S〕.〔5〕国家环境保护总局水和废水监测分析方法编委会.水和废水监测分析方法(第四版)〔M〕.北京:中国环境科学出版社,2002.89-465.〔6〕王春敏,李亚峰,周红星等.Fenton-混凝法处理焦化废水的试验研究〔J〕.环境污染治理技术与设备,2006,7(3):88-91.〔7〕Е.Д.巴宾科夫著.郭连起译.论水的混凝〔M〕.北京:中国建筑工业出版社,1982.234-236.ResearchontheAdvancedTreatmentofCokingWastewaterbyFenton-coagulationProcessTianYasai,SunGuojun,XingHong(DepartmentofBiologicalMedicineandChemicalEngineering,LiaoNingInstitudeofScienceandTechnology,Benxi,Liaoning,117004,China)Abstract:TheresearchhasbeendoneonthecokingwastewaterthathadbeentreatedbybiochemicaltechniquebyFenton-coagula-tionprocess.TakingtheremovalratesofCODandtotalcyanideasparameter,theoptimumconditionofreducingbio-refractoryorgan-iccompoundsandcyanideisobtainedbyFentonreagent.Thenthewastewateristreatedbycoagulaingandtheself-madepoly-ferricaluminumsulfate(PFAS)areusedascoagulant.ThetestresultsshowedthatthetreatedwatermeetstherequirementoftheLiaoningProvinceDB21/1627-2008wastewaterdrainagestandard.Keywords:Fentonreagent;Coagulationtreatment;Cokingwastewater;Advancedtreatment(上接第19页)ASimpleOscilloscopeDesignbasedontheMono-chipAVRYuGui-jun　GuoDan-ting(Dept.ofAutocontrol,LiaoningInstituteofScienceandTechnology,Benxi,Liaoning,117004,China)Abstract:Thepaperintroducesthecompositionofasimpleoscilloscope,whichinvolvesarapidmicroprocessorasitskernel,displaysthefrequency,amplitudeandperiodwiththeLEDdisplayscreen,andoperatesthefunctionalswitchbyitskeyboard.Thesimpleoscil-loscopehasaseriesoffeature,suchassmallsize,realtimedisplay,simpleoperationandcheapness.Keywords:Mono-chipcomputerAVR;Frequency;Amplitude;Oscilloscope;realtimesampling.