UASB厌氧处理核糖核酸废水的研究赵雪

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

205200710POLLUTIONCONTROLTECHNOLOGYVol.20,No.5Oct.,2007UASB , , ,  (苏州科技学院环境科学与工程系,江苏苏州 215011) :,UASB,。UASBCODcr,pH,,(35~38℃),UASB3.0kg/(m3·d),CODcr85%,pH7.0,,。:;;:X703.1   :AStudyonRNAWastewaterTreatmentbyUsingUASBZHAOXue, MASan-jian, JIANGJing-dong, LIUFeng(DepartmentofEnvironmentalScienceandEngineering,SuzhouUniversityofScienceandTechnology,Suzhou,Jiangsu215011,China)Abstract:AccordingtothecharacteristicsofRNAwastewater,UASBwithhighloadwasadoptedtoanalyzethepossibilityofRNAwastewatertreadmentinanaerobiccondition.TheinfluenceoforganicloadonCODremovalrate,andthechangeofpHvalueofinfluentandeffluentwereanalyzed.Resultindicatedthatinanintermediatetemperatureof35~38℃withtheloadretaininga-round3.0kg/(m3·d),CODcouldberemovalby85%andpHofeffluentcouldbeabout7.0,whichprovedthisprocesswasworthpopularizing.Keywords:RNAwastewater;UASB;Anaerobictreatment:2007-06-29: (1983—),,,,。 (Ribonucleicacid)[1,2],,,,。,、,,,。,,CODcr、SS、pH、,、,。(UASB)、,。UASB,,UASB。1 1.1 核糖核酸生产工艺,、、SDS、。3,。。,,。,。,,,,,RNA,200710 .UASB·17   ·、、、,[3,4]。1。1 1.2 试验用水的水质特点,,4,、、,,。4,,[5]。CODcr250g/L,pH6.0,、,,UASB,,。2 2.1 实验目的(1),UASB;(2),UASB;(3)UASB。2.2 实验装置及流程UASB94mm、425mm,3L,,,,,,(37±1)℃,,,19min50mL,3L,24h,pH7.0,,。2。2 2.3 实验过程2.3.1  UASB、、。UASB,UASB1/3,,,pH。UASBCODcr2500mg/L,30d,CODcr70%,,。,。,COD,。UASB3.0kg/(m3·d)4.4kg/(m3·d),50d,CODcr80%。COD4.5g/L,UASB3.5kg/(m3·d),COD85%,COD500mg/L[6]。2.3.2  (1)COD,UASB1,,1~2。(2)pHpH,pH。(3)UASB,。(4)(TSS),,。(5)(VFA),,。·18   ·     2052.4 实验结果分析2.4.1  UASB。,COD2500mg/L,。COD,COD。,5mL,,,,。,,。::NH4Cl·4H2O,170g;KH2PO4,37g;CaCl2·H2O,8g;MgSO4·4H2O,9g。[7]2.4.2  、、、。(1)。UASB,()。,3L/d,COD2500mg/L。,pH6.0,6.9,13d,COD55%。,,,3。3 (2)。,3L/d,,3.3kg/(m3·d)4.4kg/(m3·d),pH7.0,13d,COD70%。,,,,,,,,4。4 (3)。,,4d,COD3.8kg/(m3·d),COD74%。,COD,,5。5 (4)。,,,3L/d,3.3kg/(m3·d),COD85%,,6。6 2.4.3  、,UASB200710 .UASB·19   ·3L/d,COD2.5g/L,,,COD80%。。(1)pH。UASB,NH+4,。VFA,VFA,,、NH+4VFA,pH。,VFA,,,pH。,,,,pH。,。,,5mL,UASBpH7.0。pH,,,,。,pH,,,。,,,,。7,,UASB,pH7,pH。7 pH(2)CODcr。UASB,,COD,COD500mg/L,85%,,,。UASBCOD8。8,,,UASB,。8 COD(3)COD。UASB,,,COD。,,COD85%。UASB、COD9。9 (4)UASB。,BOD5CODcr,。CODcr,1kgCODcr,,1kgCODcr,1kg1.067kgCODcr,,1kgCODcr0.70m3。(下转第50页)·50   ·     2051,300d、8h,27,20,37。,,,。6 “”,,,,,、、,、。,III,。,“”,、,,,,,40。(上接第19页),,[4]。UASBCODcr2.5kg·(m-3·d-1),CODcr1.5g·d-1,,1.0L·d-1。,,CODcr3.5kg·m-3·d-1,CODcr3.0g·d-1,2.1L·d-1。CODcr10。10 CODcr10。,35~40℃,1kgCOD,0.6~0.7m3,。、,,20~22t·d-1,(3.0~3.3)kW·h·d-1。3  (1)(37±1)℃,UASB,,。UASBCOD3.5kg/(m3·d),HRT24h,COD85%,。(2),UASB,。UASB,pH,。(3)UASBCOD,UASB。(4),UASB,。,、、。[][1] .[J].,1997,18(4):46-48.[2] .[J].,2000(2):18-20.[3] .[J].,2005(8):56-59.[4] , ,,.[J].,2001,23(4):97-100.[5] ,,.D-[J].(),2001,30(1):84.[6] RE.[M]..:,2001.148-163.[7] .[M].:,1998.123-160.

1 / 5
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