氨氮废水生化预处理技术谢陈鑫

Comparationofthebiologicalpretreatmenttechnologyofammonia-nitrogenindustrialwastewaterXieChenxin，WeiLinrui，RuanXiaolei，LiLiang，ZhaoHui，TengHoukai，ChenJun（ＴｉａｎｊｉｎＣｈｅｍｉｃａｌＲｅｓｅａｒｃｈ＆ＤｅｓｉｇｎＩｎｓｔｉｔｕｔｅ，ＣＮＯＯＣ，Ｔｉａｎｊｉｎ３００１３１，Ｃｈｉｎａ），，，，，，（，300131）［］、、，、，（200~500mg/L），。、300mg/L，，：MAP，。［］；；；［］X703.1［］Ａ［］1005-829Ｘ（２００８）10－0021-04Ａｂｓｔｒａｃｔ：Thetreatmentofindustrialwastewaterfromfertilizer，coking，oilrefiningplantscontaininghighammo-nia-nitrogen，hasalwaysbeenregardedasadifficultyprocess.Afterthewastewateristreatedbygasstripping，steamstrippingorsomeothermethods,theammonia-nitrogencontentintheeffluentwaterisstillhigh,about200-500mg/L，andisunabletobetreatedbybiologicaltechnology.Thecomparisonismadeamongchemicaldeposition,chemicaloxidationandionexchangemethodsforthe300mg/Lofammonia-nitrogenwastewater.Thebestpretreat-menttechnologyisscreenedouttechnicallyandeconomically.ItisconcludedthatthebestpretreatmenttechnologyisthecombinationofmodifiedzeoliteandMAP（ＭａｇｎｅｓｉｕｍＡｍｍｏｎｉａＰｈｏｓｐｈａｔｅ）.Thismethodnotonlyhasbetterperformance,butalsoneedslowereconomicalcost.Ｋｅｙｗｏｒｄｓ：ammonia-nitrogenindustrialwastewater；chemicaldeposition；chemicaloxidation；ionexchange［］“”（2008BAE64B00），、。，、，。2080，。、、，、，（200~500mg/L）〔1，２〕，。、〔3，4〕300mg/L，。1，：pH7.2、COD500~600mg/L、NH4+-N250~300mg/L、SS50mg/L。22.1〔5，6〕：，500mL1000mL，10mol/LNaOH1mol/LHClpH，Na2HPO4·12H2OMgCl2·6H2O，150r/min，30min，。1，，CDJ-1Na2HPO4·12H2OMgCl2·6H2O，２810２００810ＩｎｄｕｓｔｒｉａｌＷａｔｅｒＴｒｅａｔｍｅｎｔＶｏｌ．２8Ｎｏ．10Oct．，２００821MAP（MgNH4PO4·6H2O），ZNJ-3，PAM-4。：Mg2+PO43-，MgNH4PO4·6H2O，。：Mg2++NH4++HPO42-+6H2O→MgNH4PO4·6H2O↓+H+Mg2++NH4++PO43-+6H2O→MgNH4PO4·6H2O↓Mg2++NH4++H2PO4-+6H2O→MgNH4PO4·6H2O↓+2H+（MAP）2。2，MAP，，，。2.22.2.1：500mL，，H2SO4NaOHpH，(60％～65％)，，30min，。：，，，，；，，，，：1.5NaOCl+NH4+→0.5N2+1.5NaCl+1.5H2O+H+3。3，，，，。2.2.22.2.1。（TCCA），C3O3N3Cl3，，。4。4，。，，。2.2.3Fenton：500mL，，H2SO4NaOHpH，FeSO4，5h，。，Fenton。2.2.4〔7〕：TiO2，500mL（lmol/LH2SO4pH）30%H2O2，，TiO2，。，TiO2，。：，TiO2（ＨＯ·），TiO2100806040200246/%CDJ-1/（g·L-1）2（MAP）1pH=9.8ZNJ-3MAPPAM-4CDJ-1100806040200102030405060/%/mL3２００8－10，２8（10）1008060402000.51.01.52.0/g/%422，CO2、H2ONO3-。5。5，，。，。2.3：D2.2cm×20cm66g（Cl-）。，，。2.3.1NH4+，。6。2.3.2、、，（Ｍ，Ｎ）·Ｏ·ＡｌＯ３·ｎＳｉＯ２·ｍＨ２Ｏ（ｍ＝２～１０，ｎ＝０～９），Ｍ、Ｎ，。，，、〔8～10〕。，NH4+：Na+Z-+NH4+葑NH4+Z-+Na+NａＣｌ（ｐＨ）Ｃａ（ＯＨ）２、NaOH（pH）。、，7、8。7，，，8，。。2.49。3（1），300mg/L50mg/L，。（2）MAP，MAP，100806040200102030/%/（g·L-1）6100806040200510152025/h/%5300200100024681012/（·t-1）/（g·L-1）871008060402001020304050/%/（g·L-1）350300250200150100500102030405060/（·t-1）/（mg·L-1）9MAP，：２００8－10，２8（10）23pH，MAP。（3），，50mg/L。［］［１］，.［Ｊ］.，１９９８（４）：２１－２３.［２］，，.［Ｊ］.，２００２，２２（９）：９－１１.［３］.［Ｍ］.：，２００３：９３－９７，１３５－１４５.［４］，，.［Ｍ］.：，２００７：７８－９０.［５］，，，.［Ｊ］.，２００７，１４（１）：６１－６４.［６］ＳｔｒａｔｆｕｌＩ，ＳｃｒｉｍｓｈａｗＭＤ，ＬｅｓｔｅｒＪＮ.Ｃｏｎｄｉｔｉｏｎｓｉｎｆｌｕｅｎｃｉｎｇｔｈｅｐｒｅｃｉｐｉｔａｔｉｏｎｏｆｍａｇｎｅｓｉｕｍａｍｍｏｎｉｕｍｐｈｏｓｐｈａｔｅ［Ｊ］.ＷａｔｅｒＲｅｓｅａｒｃｈ，２００１.３５（１７）:４１９１－４１９９.［７］，.［Ｊ］.，２００６，３４（３）：３４－３６.［８］，.［Ｊ］.，２００３，２２（２）：１６６－１７１.［９］，，，.［Ｊ］.，２００６，３２（５）：７８－７８.［１０］ＲｏｚｉｃＭ，Cerjan-ＳｔｅｆａｎｏｖｉｃＳＣ，ＫｕｒａｊｉｃａＳ，ｅｔａｌ.Ａｍｍｏｎｉａｃａｌｎｉｔｒｏｇｅｎｒｅｍｏｖａｌｆｒｏｍｗａｔｅｒｂｙｔｒｅａｔｍｅｎｔｗｉｔｈｃｌａｙｓａｎｄｚｅｏｌｉｔｅｓ［Ｊ］.ＷａｔｅｒＲｅｓｅａｒｃｈ，２０００，３４（１４）:３６７５－３６８１.ScalingtendencyandcompatibilityoftherecycledwastewaterinjectionintheSouthofDagangOilFieldYinXianqing1，ZhengQiong1，LiMei1，LiuJian1，ShiZhanzhong2，MaLijun2，ZhaoMing2，BanYanhua2（１.ＹａｎｇｔｚｅＵｎｉｖｅｒｓｉｔｙ，Ｊｉｎｇｚｈｏｕ４３４０２３，Ｃｈｉｎａ；２.ＥｘｐｌｏｒａｔｉｏｎａｎｄＤｅｖｅｌｏｐｍｅｎｔＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅ，ＰｅｔｒｏＣｈｉｎａＤａｇａｎｇＯｉｌｆｉｅｌｄＣｏ.，Ｔｉａｎｊｉｎ３００２８０，Ｃｈｉｎａ）1，1，1，1，2，2，2，2（1.，434023；2.，300280）［］，，，。36，Ca2+、Mg2+、HCO3-，HCO3-，SISAI。：（85℃）7d，；（55℃），，。［］；；；［］TQ085+.4［］A［］1005-829X（２００８）10-0024-03Ａｂｓｔｒａｃｔ：ThetreatedwateratthesouthernplantsofDaganghasbeenusedasthesourceofinjectionwaterfortheSouthofDagangOilField.Ifthetreatedwaterdoesnotmeettherequirementsofthequalifiedinjectionwaterstan-dard，thecarbonatescalingwillmaketheinjectionpressureincreaseandinfluencetheoilfieldproductionseriously.ThroughtheresearchonthesixkindsofwatersamplesfromthreeareasofthesouthofDagong，thetwoareasGuanlianandZaoliancontainafewofscalingionsofCa2+，Mg2+，HCO3-，butXierlianhaslotsofionsofHCO3-.ItisforecastthatGangxiinjectionwaterhascertainscalingtendency，basedontheCaCO3saturatedindexSIandstabilityindexSAI.Theexperimentalresultsofcompatibilityshowthatwhenthetemperatureoftheoillayeris85℃，keepinginclosedvesselfor7d，precipitationdoesnotoccurinthetwogroupsofwatersamplesfromthesouthernareas.AftermixingdifferentvolumesofGangxistratumwaterandinjectionwaterat55℃，itisfoundthatprecipitationoccursat55℃，itsturbiditygoesupandthecompatibilityispoor.Ｋｅｙｗｏｒｄｓ：oilfieldproducedwater；injectionwaterinoilfield；scaling；compatibility２810２００810ＩｎｄｕｓｔｒｉａｌＷａｔｅｒＴｒｅａｔｍｅｎｔＶｏｌ．２8Ｎｏ．10Oct．，２００8［］（1983—），2007，。：022-26689132，E-mail：[e-mail]。［］2008-06-12（）!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!24