催化吹脱树脂吸附处理酚氨废水试验研究及其中试应用杨王

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31420188EnvironmentalScienceandTechnologyVol.31No.4Aug.2018:2018-04-20:(1986-),,,,,.:(1988-),,,,E-mail:varrenter@163.com.-,(,210046):,“-”,。,NDC-300,25℃95%;,NDA88,;,“-”,。:;;;:X7:B:1674-4829(2018)04-0029-05ExperimentalStudyandPilot-scaleTestontheTreatmentofPhenol-ammoniaWastewaterbyCatalyticAirStrippingandResinAdsorptionYANGWang,XUJing-sheng(NanjingUniversityChangGaoxinInternationalEnvironmentalProtectionIndustrialTechnologyResearchInstitute,Nanjing210046,China)Abstract:AExperimentalStudywascarriedoutonhighconcentrationphenol-ammoniawastewaterbycatalyticairstrippingandresinadsorption.ItisfoundthatthecatalystNDC-300greatlyimprovestheremovalefficiencyofammonianitrogen.At25°C,ammonianitrogenstrippingefficiencycanbeashighas95%.Lowtemperaturereducesthevolatilizationoforganicmatterfromthewastewater.Atthesametime,compositeresinNDA88isusedtoeffectivelyadsorbthevolatileorganiccompoundsandensurethepurityofbyproducts,suchasammoniawaterorammoniumsulphate.Pilot-scaleTestfurtherprovesthatcatalyticairstrippingandresinadsorptioncanbeappliedtothehighlyconcentratedphenolammoniawastewaterandachieveefficientrecoveryofammonianitrogen.Keywords:Phenol-ammoniawastewater;Ammonianitrogen;Catalyticairstripping;Resinadsorption0,,,,[1]。[2-3],,,,[4]。:①(300~500mg/L),;②,20%~30%,;③(105~110℃),[5-6],,,,,。“”、“”、“”,、、,。,[7-9],“-”,20188,,,,。11.1、:(NH3·H2O);(NaOH);(H2SO4);。:(NDC-300);(NDA88);。:-,1。1.2,、、、。,[10]。2。2,2000~80000mg/L,、、。1.3(NDC-300),,,,,,。,、、pH、;、、。22.1,2000∶1,pH11.0,25℃,NDC300,,。NDC3001。1,00.04%(),90.4%95.6%,;,[11]。,,2。,95%。2.2,,,1-12345678/HH-470L·min-10~25L·min-1--2L500mL500mL2ρ()34000106003280196377900ρ(CODCr)1930084504330514024350ρ()-658-966224ρ(SCN-)----16.9pH()13ρ()63501360---mg·L-121NDC30097.595.092.590.00.020.040.060.08/%ω(NDC300)/%100806040200/%0303143,。。60℃、pH11.0,0.02%,3。3,,:3h,95%;4h,34000mg/L58mg/L,99.8%。,,[7]。2.3pH,,,pH,,pH。pH4。4,pH:pH,,pH10.5,pH,,,pH10.5~11.5。2.4,,,。5。5,,。,,,(25℃),。2.5“-”,,,,。、[12-14]。(1500~2000)∶1,,10~15s。(60℃),、。6。6,,1.2L,CODCr1300mg/L)。,CODCr1000mg/L,,。1.2L,CODCr,,,。4pH510080604020012345/%CODCrt/h96.696.095.494.894.29.83/%pH10.0910.4910.8711.2411.6012.3010080604020040506070/%/℃0-3120188,(150℃)2.5h,3~4h。,2h,80%。,,,CODCr,3h,40%。92%。33.1。7。,、,。3.2,。3。,pH11.0、25℃、(2500~4000):1,0.04%,,2%~3%、CODCr300mg/L。,,0.3g/L,。5()731234567891234567898.518.518.868.869.139.139.138.738.73ρ(CODCr)/(mg·L-1)731907319085580855807915079150791507564075640ρ()/(mg·L-1)10930116595465255081268743807381258140ρ(CODcr)/(mg·L-1)129061523813184809313039135301303014200147700.02%0.96%2.57%2.57%1.75%1.88%2.841.171.06ρ(CODcr)/(mg·L-1)24910149001346620884971389119538,,4。,,,,;,(15%~20%),。6000500040003000200010000123456ρ(CODCr)/(mg·L-1)(2.5h、3h)/h(b)ω()/%ω()10000800060004000200000.20.40.60.81.01.21.41.61.82.0ρ(CODCr)/(mg·L-1)V()/L(a)::3LEBCT:~20s:++ρ(CODCr)=1300mg·L-1t/h323144(1),,95%,,,。(2)(≤60℃),93%,。(3),,,。[][1],,,.[J].,2016,35(6):1884-1893.[2],,,.[J].,2017,39(2):22-25.[3],.[J].,2017,30(4):72-75.[4].[J].,2016,42(9):13-14.[5],,,.[J].,2009,37(1):48-50.[6].[J].,2012,43(5):46-47.[7]MohamedAliEl-Behlil,El-GezawiSeadM,SabriA.Adma.Vola-tileorganicchemicalsremovalfromcontaminatedwaterusingairstripping[J].Internationalwatertechnologyassociation,2012:15.[8].[J].,2011,31(7):56-59.[9]LEIChun-sheng,MAJian-feng,LIDing-long,etal.Compositedenitrificationreagentforhighconcentrationammoniaremovalbyairstripping[J].Environmentalscienceandtechnology,2010,55(24):2657-2661.[10],.[J].,2015,35(3):272-278.[11],,,.-[J].,2009,54(22):3565-3569.[12].[D].:,2004.[13].[D].:,2016.[14],.[J].,2016,29(6):38-41.()4-()105~110℃-0.15~0.2(、)15%~20%70%~90%300~500mg·L-170%~90%,(、、)()105~110℃-0.15~0.2(、)15%~20%70%~90%300~500mg·L-170%~90%,(、、)≤60℃,、NDC-3000.01~0.02≤5%>95%≤300mg·L-1,>93%、-33

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