MBBR工艺对高含盐废水中氨氮的硝化效果研究杨磊

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

MBBR1231.3001702.8386003.214206TDS、、COD。MBBRTDSTDSMBBR。MBBRTDS<42g/L90%TDS。TDSX703C1000-4602201713-0088-03NitrificationofAmmoniaNitrogeninHighSalinityWastewaterbyMBBRProcessYANGLei1XUZhi-yuan2QIANGCheng-liang31.TianjinChengxinUniversalEnergyConservationandEnvironmentalProtectionTechnologyCo.Ltd.Tianjin300170China2.DushanziPetrochemicalCompanyPetroChinaCo.Ltd.Karamay838600China3.JiangsuYihuanGroupCo.Ltd.Yixing214206ChinaAbstractWastewaterdischargedfrompetroleumrefiningcatalystmanufacturingenterpriseshascharacteristicssuchashightotaldissolvedsolidsTDShighammonianitrogenandlowCOD.ThisstudyusedaMBBRpilotplanttoverifyimpactsofTDSonammonianitrogennitrificationintheMBBRprocessthroughadjustingTDSintheinfluent.TheresultsshowedthatafterthemicrobialacclimationwheninfluentTDSwaslessthan42g/LtheMBBRprocesswasabletoremoveapproximately90%ofammonianitrogenwhentheinfluentTDSexceededthisconcentrationastrongbiologicalinhibitionwasobserved.KeywordshighsalinitywastewaterMBBRammonianitrogennitrificationtotaldis-solvedsolids、、COD。。MBBR、、、、。MBBRTDSMBBRTDS。11.112m3200L/hMBBR2m3·88·331320177CHINAWATER&WASTEWATERVol.33No.13Jul.2017MBBR3DV-01550m2/m335%1.2m2。1Fig.1Schematicdiagramofexperimentaldevice1.2NH3-N100~300mg/L、COD100~250mg/L、SS<100mg/L、TDS20~35g/L、30~32℃、pH7~9。≥98%。4TDS20、30、40、50g/L。1.3CODTDSTDSpHDODO。22.1MBBRMBBRDO4mg/L48h。100~150mg/LTDS10g/L25mg/L<10mg/L10。20L/h12h10mg/L10L/h60L/h33.3h。、TDS10g/L、DO3~5mg/L。2.2MBBR60L/hTDSTDS2~3g/LTDS2d。MBBR。9dTDS15g/L100~200mg/L5mg/L。TDS20~40g/L20d、2。2TDS20~40g/LFig.2NitrificationeffectunderTDSof20-40g/LTDS20~40g/L120~220mg/L5mg/L。TDS<40g/LMBBR95%。TDS20~21.5g/L20~40mg/LTDS15g/L20g/L。1。、。60L/hTDS1~2g/LTDS50g/L、3。TDS<42g/LMBBR95%。TDS>42g/LMBBRTDS50g/L70%~80%。·98·.watergasheat.comMBBR33133TDS40~50g/LFig.3NitrificationeffectunderTDSof40-50g/L60L/hTDS1~2g/LTDS60g/L、4。4TDS50~54g/L、Fig.4AmmonianitrogenofinfluentandeffluentunderTDSof50-54g/L4100~180mg/LTDS53g/LTDS54g/L10d110mg/L10%~20%MBBR。30L/hTDS40g/L20mg/LMBBR2。3①MBBRTDS<42g/L90%10mg/L。、MBBR。②TDS42~53g/L70%~85%20~50mg/L。③TDS53g/L10%~20%TDS53g/LMBBR。④TDSTDSMBBR。1.SBBRSBRJ.20093092603-2608.2.SBRJ.201434354-57.1980-。E-mailtjcx_yanglei@163.com2016-12-22·09·3313.watergasheat.com

1 / 3
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功