EGSB与UASB反应器快速启动及调试对比杜战鹏

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

 作者简介:杜战鹏先生;在读硕士研究生;主要从事轻工业废水和固体废弃物处理及其环境行为的研究。 :2006-02-09 。·膨胀颗粒污泥床·EGSB与UASB反应器快速启动及调试对比杜战鹏 马宏瑞 赵 敏 李冬雪(,,712081)   :(EGSB),(UASB)。:UASB45d,COD5kg/(m3·d),CODCr80%,EGSB25d,COD8kg/(m3·d),CODCr90%。EGSB,,0.88mm1.25mm,4。:EGSB;;:X793    :A    :0254-508X(2006)09-0016-041 mg/LNaHCO3NH4Cl(NH4)2CO3KH2PO4CaCl2MgSO42000~50008066040404048  UASB()3,[1-2],。EGSB(),,,,。,,EGSB,UASB,,。,UASBEGSBCOD、,,EGSB。1  1.1 UASB,SS()72.2g/L,VSS()56.6g/L,6.5g(VSS)/L。(1),2。2。1.2 1。EGSB、UASB1.8L,EGSB50mm,19;UASB70mm,7,35℃,。。1.3 COD,SS、VSS[3]。(SMA)250mL,[4]。1.2cm[5]。[6]。2 2.1 EGSBUASBUASB2 mg/LFeCl3·4H2OCoCl2·6H2OMnCl2·4H2OZnCl2EDTACuCl2·2H2OH3BO3(NH4)6Mo7O24·4H2ONa2SeO3·5H2ONiCl·6H2O10102.52505150250450500250 36%HCl5mL·16·ChinaPulp&Paper Vol.25,No.9,2006 1A、1B— 2— 3—4— 5— 6— 7—1 45d,2。COD,2.5kg/(m3·d),CODCr2500mg/L,0.6~1.0L/d,HRT()30h。CODCr40%,0.15m/h。COD、pH,pH5.57。25d,CODCr70%,pH7,。。26d,COD3.5kg/(m3·d),CODCr2500mg/L,4.0L/d,CODCr70%,,45d,COD5.0kg/(m3·d)。,CODCr3000mg/L。,CODCr80%,。EGSB25d,EGSB3。COD,2.5kg/(m3·d),CODCr2500mg/L,1.6~2.0L/d,HRT24h。,CODCr51.2%,pH,。0.38m/h。,,,12d,CODCr,80.0%。pH7,。13d,12 UASB,4.5L/d,4.7L/d,。,COD。:COD;,,COD。13d18d,COD3.5kg/(m3·d),CODCr2500mg/L,6.1L/d,,0.7。,CODCr85%,pH7,,EGSB。20d,CODCr90.8%。19d,20%,25d,8.0kg/(m3·d)。,CODCr4000mg/L。,CODCr,92%。25d95%,。23,EGSBCOD·17· 《》20062593 EGSB、UASB,UASB1/2,EGSB,,UASB。EGSBUASBCOD。2.2 EGSB2.2.1 ,0.35~2.5mm,1.045kg/L。13d,。20d,1.065kg/L。,。2mm0.81%11.6%,1.2~1.6mm24.7%29.4%,0.9~1.2mm47%17.2%。0.88mm1.25mm,3mm。。17.60~92.05m/h,31.95~105.17m/h。,,EGSB。2.2.2 ,EGSB,3。3,Fe、Ca、K、Na。。Na5,Cu3,Ni、Co、K2。Ca、Fe,,Fe。,。3 mg/gKCoFeCuNiCaNaZnMgA2.5740.52740.7200.5310.06512.9453.7942.2782.845B6.8710.95124.3101.5790.1749.08915.7902.9643.184  A,B。4 VSS/SS2.2.3 。4,,4,VSS/SS66.7%·18·ChinaPulp&Paper Vol.25,No.9,200694.8%,,,,EGSBCOD。3  EGSB、。COD8kg/(m3·d),CODCr90%,UASB。,EGSB:0.88mm1.25mm;105.17m/h,4。   [1] LettingaG,RebacS.Challengeofpsychrophilicanaerobicwastewatertreatment[J].TrendsinBiotechnology,2001,9(19):363[2]  ,.[M].:,2001[3] .[M].:,2002[4] .[M].:,1998[5] PereboomJHF,VereijkenTLFM.Methanogenicgranuledevelopmentinfullscaleinternalcirculationreactors[J].Wat.Sci.Tech.,1994,30(8):9[6] SwhwzzoL,ZwwmanG,VanLierJB,etal.Areview:TheanaerobictreatmentofsewageinUASBandEGSBreactor[J].BioresourceTechnolo-gy,1999,28(2):151ComparisonbetweentheQuickStart-upofEGSBandUASBDUZhan-peng* MAHong-rui ZHAOMin LIDong-xue(CollegeoftheChemicalEngineering,ShaanxiUniversityofScienceandTechnology,Xianyang,ShaanxiProvince,712081)(*E-mail:dzp113280@126.com)Abstract:Thequickstart-upofthelaboratoryexpendedgranularsludgebed(EGSB)reactorandthecharacteristicsofthegranularsludgeduringstart-upwerestudied,anditwascomparedwiththeup-flowanaerobicsludgebed(UASB)reactor.Theresultsshowedthatthewholestart-upoftheUASBreactorcouldbefinishedin45days,andthemaximumCODCrloadingratewas5kg/(m3·d)andCODCrremovalwasabout80%.Ontheoth-erhandstart-upoftheEGSBreactorcouldbefinishedin25days,theCODCrloadingratewasbe8kg/(m3·d)andCODCrremovalwaslargerthan90%.EGSBisbetterthanUASBinthestart-up.Duringstart-upoftheEGSB,thecharacteristicsofgranularsludgechangegreatly:theaveragegranulardiameterincreasesfrom0.88mmto1.25mm;methanegenicactivitiesofthegranularincreasesupto4timeslargeastheseededsludge.Keywords:EGSBreactor;quickstart-up;anaerobicgranularsludge CPP(责任编辑:李大力)·消息·PROFIBUSPROFINET  200694,PROFIBUS(CPO)PROFIBUS(PI)PROFIBUSPROFINET。PROFIBUS(CPCC)、PROFIBUS(CPO)、PROFIBUS(PI),“IO-Link”、“PROFIsafe”“PROFINET”。IO-Link,、;(PROFIBUS),(PROFINET),。,,。PROFIsafe,,;,、,。PROFINET,PROFINET,PROFINETIO;(MES)(ERP),,PROFINET(PROFIBUSPA、HARTFF);、,IT、,、、。、,(IEC/ISO),,。(本刊记者)·19· 《》2006259

1 / 4
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