废纸再生造纸废水的特性和处理工艺

五邑大学化学与环境工程系(广东江门,529000)　　马晓鸥天津化工研究设计院刘艳飞　李绍全　　　,。:——。　　　,,,,　　、,。,。199530%～34%〔1〕。。　　、,,。、、、。　　,,,,〔2〕。,。,,。1　　　。、、,。,,:CODCr600～2400mg/L,BOD5125～585mg/L,SS650～2400mg/L,450～900,。100～200t/t〔3～5〕;,,、“”。,,“”。,“”。　　,。SS、,COD。COD、。COD,1000()10(、),〔6〕。　　COD,COD,,。　　COD,、COD。　　。,SS,COD。。COD,。,,—、—。。2　2.1　混凝沉淀法　　、、、。:,、ζ、,、、,、“”;,“”,。　　,,SS85%～98%,90%,CODCr60%～80%。,;〔7〕。1。　　,。,。,,:、、、。。,,“”,。、、。↑图1　混凝沉淀法处理废纸造纸废水工艺流程—8—专论与综述　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　工业水处理1999—07,19(4)　　,。,1t0.1～0.2、0.5。,、,,。　　COD,COD。。2.2　生化处理法　　COD,。CODBOD/COD。,。,BOD/COD0.6;BOD/COD0.2,。,,BOD/COD=0.4～0.7。　　,,BOD/CODCr0.4～0.7,。,(、)。,(),()。　　,(BOD):　　⑴;⑵,;⑶,。　　,,。　　,。,,BOD28.2%,COD68.9%;,BOD76.1%,COD81.2%〔8〕。　　,();,。,、。,,。,,()〔9〕。2。　　,图2　活性污泥法处理废纸造纸废水流程示意COD、BOD,。、,。,()。2.3　化学处理法　　,,(、);(CO2),COD、BOD。　　。(),;,;,〔10〕。　　、、、Fonton。,〔11～13〕。、、Fonton,,,。　　,、、、。,,,。,,1。1t0.08～0.10。表1　化学法处理废纸造纸废水结果SS/mg·L-1/CODCr/mg·L-1CODCr/%BOD5/mg·L-1BOD5/%615400609.0—252—3.52169.272.272.971.1KMnO46265.389.325.989.7NaClO3.8472.888.0——　　,—9—工业水处理1999—07,19(4)　　　　　　　　　　　　　　　　　　　　　　　　废纸再生造纸废水的特性和处理工艺(1)。,、。,。　　1,,,。,,,、。3　　　,。,。,,。　　,COD,COD,。,,。　　。,,,。,。、;、、。　　,、。,,;,,。,,。1　,..,1996;4(3):52～572　..,1997;9(4):15～173　..,1990;10(1):24～274　..,1994;(4):21～225　.,,1998.6　〔〕.—.,1991;(4):16～217　,..,1998.8　..,1997;(2):16～189　,..,1996.10　..,1997;(2):178～18111　.COD.,1996;(2):8～1112　..,1997;15(4):3～613　.,,1997;10(3):173～175:,1957,1982,。收稿日期:1998-12-05··1999“”　　、,。:1000()(、、、、、)。,。,。,,,3000,,,2950/。　　,,/:[phone],:　　13。—10—专论与综述　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　工业水处理1999—07,19(4)MATHEMATICALMODELOFOPTIMUMCHEMICALS-FEED-INGQUANTITYFORWATERTREATMENTPLANTS　ZhangHongweietal　(TianjinUniversity,Tianjin300072):Chin.J.Ind.WaterTreat.,19(4),1999,pp.1～2　　Consideringtheoverallsituationofthewaterproducingsys-tem,amathematicalmodeloftheoptimumchemicals-feedingquantityanditssolutionforwatertreatmentplantshavebeenputforward.Therelevantsoftwarewasmade.Thetestedcalculationofthefunctionaldatafromoperationprovesthattheoptimizedcalculationprogramcancutdownthewaterproducingcostobvi-ously.　　Keywords　watertreatmentplant,optimumchemicals-feedingquantity,mathematicalmodelCOMPREHENSIVECONTROLTECHNIQUEOFGAS-FIELDSOURWATER　TangXiaodongandZhangXiaochuan　(Dept.ofChem.Eng.SouthwestPet.,Nanchong637001):Chin.J.Ind.WaterTreat.,19(4),1999,pp.5～7　　Accordingtothesituationofgas-fieldsourwatertreat-mentinSichuan,itssources,classification,treatmentmethodsandwaysofcomprehensivecontrolaresurveyed.TheauthoralsointroducestheCuOprecipitationmethodthathedevelopedfortreatinggas-fieldsourwaterwithhighconcentration.　　Keywords　gas-fieldsourwater,classification,treat-mentmethod,comprehensivecontrol,environmentalprotectionTREATMENTOFWASTEWATERFROMREGENERATEDPA-PERMAKING　MaXiaoouetal　(Chem.&Envi.Eng.Dept.,WuyiUniv.,Jiangmen529020):Chin.J.Ind.WaterTreat.,19(4),1999,pp.8～10　　Inthispaper,thecharacteristicofwastewaterfromregen-eratedpapermakinghasbeeninvestigated.Thetreatingtech-niqueandtechnologyhavebeenprobedintotoo.Theresultshowsthatthiswastewatercanbeefficientlypurifiedbyfloccula-tion-biochemistricalprocessorbychemical-flocculationpro-cess.　　Keywords　wastewater,characteristicofwastewater,flocculation,biochemistricalmethod,chemicalmethodRESEARCHESANDAPPLICATIONOFNATURALORGANICFLOCCULANT　ChenYuancaiandXiaoJin　(DepartmentofPaper&EnvironmentalEngineering,SouthChinaUniversityofTechnology,Guangzhou510641):Chin.J.Ind.WaterTreat.,19(4),1999,pp.11～13　　Theclassificationofnaturalorganicflocculantsaremadeinthispaperaccordingtoitscompositionsandsources.Theperfor-mance,applicationanddevelopmentofthesenaturalorganicfloc-culantsarealsodiscussed.　　Keywords　naturalorganicflocculants,highmolecularflocculants,watertreatmentSYNTHESISOFAMPHOTERICPOLYACRYLAMIDEANDASTUDYONITSFOUNCTIONASFILTERAID　CaoJiashengetal　(PollutionControlandResourcesReuseNationalKeyLabo-ratory,DepartmentofEnvironmentalScienceandEngineering,NanjingUniversity,Nanjing210093):Chin.J.Ind.WaterTreat.,19(4),1999,pp.14～16　　Amphotericpolyacrylamidewassynthesizedinaqueoussolu-tionsthroughradicalsynthesis.Itsfunctionasfilteraidwasstudied,comparingwiththatofnon-ionic,cationicandanionicpolyacrylamideintheprocessofintensifiedfiltration.TheeffectsofthedosageofpolyacrylamideandtheeffectsofslurrypHonthefilteraidefficiencywereinvestigatedalso.　　Keywords　radicalsynthesis,amphotericpolyacrylamide,intensifiedfiltration,polymerfilteraidCATALYTICOXIDATIONOFLASINAQUEOUSSOLUTION　KangJingwenandWangXiaocheng　(TaiyuanUniversityofScienceandTechnology,Taiyuan030024):Chin.J.Ind.Wa-terTreat.,19(4),1999,pp.17～18　　ThecatalysisofZnO/Ni2O3ontheoxidizingtreatmentofLinearAlkylbenzeneSulfonate(LAS)inaqueoussolutionwasstudied.VariousfactorswhichaffectLASremovalefficencieswereanalyzed.Basedonorthogonalexperimentsandexperimen-taldataanslysis,theoptimumreactionconditionshavebeende-termined.TheresultsshowedtheaverageremovalrateofLASwas93.8%undertheconditionsthattheNaClOwas0.1mL/L,ZnO/Ni2O3was1.5g/L,pHvalueswas4.　　Keywords　LAS,catalyticoxidation,catalystTHETESTOFAIRSTRIPPINGOFAMMONIACWASTEWATERFROMPHARMACEUTICALINDUS