AAOO法处理焦化酚氰污水的操作实践及优化林晓博

AA-OO*1211.2660422.250101、、。AA-OO。、。。AA-OODOI10.13205/j．hjgc．201609012THEPＲACTICALOPEＲATIONANDOPTIMIZATIONOFAA-OOPＲOCESSINTＲEATMENTOFTHEPHENOLIC-CYANICCOKINGEFFLUENTLINXiao-bo1LINXian-xi2LIUXin-yao11.CollegeofChemicalEngineeringQingdaoUniversityofScienceandTechnologyQingdao266042China2.ShandongIronandSteelGroupJinan250101ChinaAbstractPhenolic-cyaniccokingwastewaterisdifficulttotreatduetoitshightoxicitycomplicatedcompositionandrefractoryorganics．TakingJinanCokingPlantoftheShandongIronandSteelGroupasexamplethispaperintroducedthesourceofthephenolic-cyaniccokingeffluentandtheAA-OOprocessandanalyzedtheproblemsexistingintheoperationsuchasthephenomenonthatnitrifyingbacteriaweresuppressed．Bythecorrespondingmeasurestoresolvetheproblemsandprocessoptimizationthetechnologywasstableandreliableandtheeffluentmetthewateroutletstandardofthecokingindustry．Moreovertheoperatingcostsdecreasedsignificantly．Thesuccessfulpracticewasworthofpopularizing．KeywordscokingwastewaterreasonanalysisoptimizationofthenewtypeAA-OOprocesseffluentofreachingstandard*2008GG100060102009GG10007001201510426028。2016－02－030、。。、、、、。85%。、、COD1。、AA-OO201012。、。、。15WaterPollutionControl1、100m3/h130m3/h30m3/h。170m3/h。290m3/h、。12。1Table1Thedesignedindexofwaterqualityoftheinletmg/LpHρCODρρρρρρpH≤3800≤300≤200≤550≤25≤500≤607.0～9.5≤150≤25≤150≤0.5≤0.5≤1.0≤106.5～7.52Table2Theactualindexofwaterqualityoftheinletmg/LpHρCODρρρρρρpH3500～5500200～300250～300200～30015～25300～4001208.5～9.5200～30020～25150～170≤0.5≤0.5≤1.0136.5～7.521。。。2。PFS、PAM。。CO2、CH42。。。。NO－3－N、NO－2－NN2。。。5CC+4NO－3+2H2→O2N2+4OH－+5CO2。H+3。。。。NH+4+2O→2NO－3+2H++H2O4COD。COD。。2。、、。、。。1。25EnvironmentalEngineeringⅠ—Ⅱ—Ⅲ—。1AA-OOFig．1AA-OOprocessflowsheet31。COD、HPF。100t/d1/2。、、、5。2。、、1/31/3。、、。3。4150mg/L。4。pH。pH7.5～8.5。pHpH。50kg。、pH。5。。6。35%6t/h。10t/h。、、7000mg/LρSS180mg/L。。7。22/5。。。。41。①1111121000m335WaterPollutionControl2。②200mg/L。③。50t315t30t30t/d100mg/L。④COD、24h。60、COD、。2h1。。。2。125m3。。3。425253535m3/h225m3/h235m3/h500～600mg/L。500mg/L。4。125mmPVC5m。。5NaOHNa2CO3。Na2CO3OH－CO2－3+H2O=HCO－3+OH－HCO－3+H2O=H2CO3+OH－。NaOHOH－。pH。20147150m330%1∶115%。6。1ALDEC4065～10m3/h、、1P2～40518～20m3/h。2720m3/d。2Fig．2Processflowsheet7。。。5。5.11150mg/L550～600mg/L400mg/L。2、pH。pH8.05mg/L。345EnvironmentalEngineering。460%40%～50%。。5ρCOD400mg/L250～300mg/L200mg/L。150mg/L。320159。3Table3Thesituationandtreatmentefficiencyofthewastewateroftheinletandoutletmg/LpHρ200～300500～6000.50ρ15～2515～250.50.1～0.4ρ300～400200～30010～0.5ρCOD3500～55004000～4500200～30080～120ρ200～300150～25020～250～5.0ρSS250～300200～250150～170100～120pH7～9.57～9.56.5～7.56.5～7.65.26。2013521/t201593012/t42.8%。61。、、。2。、10g/L。3。。COD。。4、。1．A-AOJ．200523229-32.2MaQiaoQuYuanyuanShenWenlietal．BacterialcommunitycompositionsofcokingwastewatertreatmentplantsinsteelindustryrevealedbyIlluminahigh-throughputsequencingJ．BioresourceTechnology2015179436-443.3ZhangWeijunYangPengYangXiaoyinetal．InsightsintotherespectiveroleofacidificationandoxidationforenhancinganaerobicdigestedsludgedewateringperformancewithFentonprocessJ．BioresourceTechnology2015181247-253.4GalileeUSemblanteFaisalIHaiHuuHNgoetal．SludgecyclingbetweenaerobicanoxicandanaerobicregimestoreducesludgeproductionduringwastewatertreatmentPerformancemechanismsandimplicationsJ．BioresourceTechnology2014155395-409.5．J．200637545-48.6．A/A/OJ．2010103835-838．。18754269250櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅@163．com509．D．2010.10SinghSKBansalAJhaMK．AnintegratedapproachtoremoveCrⅥusingimmobilizedChlorellaminutissimagrowninnutrientrichsewagewastewaterJ．BioresourceTechnology2012104257-265.11BaiXYeZFLiYF．PreparationofcrosslinkedmacroporousPVAfoamcarrierforimmobilizationofmicroorganismsJ．ProcessBiochemistry20104560-66．1979－。[e-mail]1954－。[e-mail]55WaterPollutionControl