含油废水处理方法的研究孙伟生

:1007-290X(2001)03-0029-03孙伟生(华能汕头燃机电厂,广东汕头515064)　:剖析了华能汕头燃机电厂含油废水难以处理的原因,并以该电厂的含油废水处理工艺的研究为例,通过在试验室采用常规凝聚剂和机械过滤方法的比较,以及采用碱式氯化铝混凝剂在碱性条件下的试验的比较,加药量大小的比较,找出了处理含油废水的经济、简便方法。实施这一方法治理废水后,多年来经地方环保部门现场抽样监测,废水的含油量符合国家环保排放标准。:含油废水;废水处理;pH值;混凝剂;沉淀;处理方法:X773　　　　:AResearchonoilywastewatertreatmentSUNWei-sheng(HuanengShantouGasTurbinePowerPlant,Shantou,Guangdong515064,China)Abstract:IncombinationwiththepracticeinHuanengShantouGasTurbinePowerPlant,astudyonoilywastewatertreat-mentwasconducted.Bycomparingthelaboratorytestresultsofusingconventionalflocculatingagentandmechanicalfiltra-tion,usingbasicaluminiumchlorideunderbasicconditionsanddifferentdoses,aneconomicandconvenientmethodforoilywastewatertreatmentwasdetermined.Theapplicationresultsofthesaidmethodaresatisfactory,theoleaginousnessinwastewaterofthepowerplantattainingthestatedischargestandardforenvironmentalprotection.Keywords:oilywastewater;wastewatertreatment;pHvalue;coagulant;precipitation;treatingmethod　　1986,100MW,2、21,-ALSTHOM,,,、、、(、、、、),,1mg/L。“”,“——”,、。,:2000-05-3020kt/a,。1　,、、、,,、,、,,。,,100～500mg/L;,50～100mg/L;,15～50mg/L。,,、　143Vol.14No.3　　20016GUANGDONGELECTRICPOWERJun.2001　,10mg/L。2　,。,,“”,,,,,,“”,“”,,,;,GPE-2040,、、,,,,;,,,,,。,,:,,,,;,,,,。,,,,,,。3　,,“”,4。3.1　,。pH6.7,750mg/L。250mL,、、。,,、。,5μm,,,。:a)5μm,;b),pH8,,,。3.2　,,,。pH,,pH:[Al(H2O)6]3+※[Al(H2O)5(OH)]2+※[Al6(OH)15]3+※[Al8(OH)20]4+※Al(OH)3(H2O)3※[Al(OH)4]-。,。,3250mL,:a)15mg(60mg/L),NaOH,NaOH,,,,;,pH8.5。b)15mg,Na3PO4,Na3PO4,,,;,pH8.2。c)15mg,Na2CO3,Na2CO3,,,;3014　,pH8.0。:a),(),pH,8.0～8.5;b)pH,,,,,。,Na2CO3pH,NaOHNa3PO4pH,,Na3PO4,,,Na3PO4,Na3PO4。3.3　Na3PO4,3,。3.3.1　,5250mL,:5mg,10mg,15mg,20mg,25mg(20mg/L,40mg/L,60mg/L,80mg/L,100mg/L),Na3PO4。、,,50～80mg/L,。3.3.2　,5250mL,:15mg,2.5mg,5.0mg,7.5mg,10mg,15mgNa3PO4(10mg/L,20mg/L,30mg/L,40mg/L,60mg/L),。、,,20～30mg/L,pH8.2～8.5,。3.4　,,。,,50～80mg/L,20～30mg/L。4　,,,,,。5～8mg/L,,,0.3～0.4/t。,,。5　,,、。,、,,。:[1].[M].:,1984.[2]TM.[M]..:,1982.[3]BG.[M]..:,1989.[4].[J].,1994,9(3):54—56.:孙伟生(1966—),男,广东揭阳人,化学工程师,主要从事电厂化学专业技术管理工作。31　3: