雨课堂学堂在线学堂云《Water and Wastewater Treatment Engineering：Biochemical Technology（清华）》单元测试考核答案

第1题Factorsofbiologicalphosphorusremovalprocessincludedissolvedoxygen,SRT,pHvalue,BOD/TP,nitrate,redoxpotential,temperature,etc.ARightBWrong第2题Pleasepointoutwhichcurvesshowthatthewastewaterisdifficulttobiodegrade._____A(a)B(b)C(c)正确答案：BC第3题Theappropriate

DO

rangeofaerobicbiologicaltreatmentparametersis

1~2mg/L.

第4题Theappropriate

watertemperature

ofaerobicbiologicaltreatmentparametersis

30~40℃.第5题TheappropriatepHrangeofaerobicbiologicaltreatmentparametersis

5.5~8.5.第6题Theoptimumtemperatureformoderatetemperatureanaerobicmicroorganismsis_____℃,andtheoptimumtemperatureforhightemperatureanaerobicmicroorganismsis_____℃.A30,50B35,50C35,55D30,55第7题Accordingtothedemandforoxygeninthegrowthenvironment,microorganismscanbedividedinto____.AAerobicmicroorganismsBAnaerobicmicroorganismsCFacultativemicroorganisms正确答案：ABC第8题Whatreactionsdoaerobicbio-reactionsinclude?好氧生物反应主要包括那些过程？AcatabolismBEndogenousrespirationCConsumptionDAnabolism正确答案：ABD第9题WhatistheBOD5/CODvalueofbiodegradablewastewater?A0.1~0.2B1~2CAbove0.3第10题Whatistheunitoforganicsludgeloadingrate?AkgBOD5/(kgVSS·d)BkgVSS·d/kgCODCkgCOD/(kgVSS·d)DkgVSS/(kgCOD·d)正确答案：AC第11题Oxidize1mgNH4+-NintoNO3-N,requiresoxygen____mg,inwhichnitritation____mg,nitrification____mg;consumesalkalinity

____mg(calculatebyCaCO3,keeptwodecimalpoints).正确答案：:4.57正确答案：:3.43正确答案：:1.14正确答案：:7.14第1题Waterenteringconditionrequirementsarethesamewiththeeffluentwaterqualityrequirements;ifjustconsiderfromtheaspectofthereactionkinetics,_____needsalargertankvolume.APlug-flowaerationtankBCompletelymixedaerationtank

CThesame第2题Ingeneral,forconventionalactivatedsludgeprocess,adsorptionandregenerationprocessandcompletelymixedprocess,theBOD5removalratesoforganicwastewaterindescendingorderare_____.Acompletelymixedprocess>conventionalactivatedsludgeprocess>adsorptionandregenerationprocessBadsorptionandregenerationprocess>conventionalactivatedsludgeprocess>completelymixedprocessCconventionalactivatedsludgeprocess>completelymixedprocess>adsorptionandregenerationprocessDcompletelymixedprocess>adsorptionandregenerationprocess>conventionalactivatedsludgeprocess第3题Thenormalrangeofactivatedsludgesettlementratiois_____%.A10-20B30-60C40-60D15-40第4题Typesandunitsoforganicloadare____.Avolumeload,kg/kgMLVSS/d;sludgeload,kg/m3/dBvolumeload,kg/m3/d;sludgeload,kg/kgMLVSS/dCvolumeload,kg/m3/d;sludgeload,kg/kgMLSS/d第5题Theoperationmethodsoftheactivatedsludgeprocesscouldbe____.AstagedaerationBmulti-pointwaterenteringCdeep-wellaerationDhightemperatureaeration正确答案：ABC第6题ThephysicalmeaningofKs

inMonuoDeequationis____.AnophysicalmeaningB

thesubstrateconcentratewhenproducingrateofmicroorganism’sproductsreacheshalfthemaximumrateCthesubstrateconcentratewhenmicrobialdegradationratereacheshalfthemaximumDthesubstrateconcentratewhenmicrobialspecificproliferationratereacheshalfthemaximum第7题Pleasewritethemaincomponentsoftheactivatedsludgesystems,

_____.

Aaerationtank,primarysedimentationtank,returnsystem,sludgedewatering,oxygensystemB

aerationtank,primarysedimentationtank,returnsystem,remainingsludge,oxygensystemC

aerationtank,secondarysedimentationtank,returnsystem,remainingsludge,oxygensystemD

aerationtank,secondarysedimentationtank,returnsystem,anaerobicsludge,oxygensystem第8题Watercontentofactivatedsludgeis_____.A99.2-99.8%B99.0-97.5%C97.2-95.8%D78-83%第9题

Activatedsludgesettlementratiomeanstoleavesludgestandinginthecylinderfor_____minutes.A20B25C30D35第10题Themainparametersofactivatedsludgeinclude_____.ACODremovalrate,BODremovalrateandammonianitrogenremovalrateBorganicload,HRT,SRTCCODremovalrate,TNremovalrateandTPremovalrateDorganicload,hydraulicretentiontime,sludgeretentiontime正确答案：BD第11题

Basedongrowthcurvesofactivatedsludge,theaerationtanksinmostwastewatertreatmentplantareat_____stage.AadaptationperiodBlogarithmicgrowthperiodCdecelerationproliferationperiodDendogenousrespirationperiod第12题

Inactivatedsludgeyieldformula,"a"represents_____.ATemperatureCoefficientBsludgeyieldcoefficientCactivatedsludgeself-oxidationcoefficientDInfluentconcentrationcoefficient第13题

Theconventionalactivatedsludgeprocessoftentakes_____.Asludgeloadoftentakes0.2-0.4kgBOD5/(kgMLSS•d),SRT5-15daysBsludgeloadoftentakes0.05-0.4kgBOD5/(kgMLSS•d),SRT5-30daysCsludgeloadoftentakes0.1-0.2kgBOD5/(kgMLSS•d),SRT5-10daysDsludgeloadoftentakes0.05-0.15kgBOD5/(kgMLSS•d),SRT20-30days第14题Delayedaerationactivatedsludgeprocessoftentakes_____.Asludgeloadoftentakes0.2-0.4kgBOD5/(kgMLSS•d),SRT5-15daysBsludgeloadoftentakes0.05-0.4kgBOD5/(kgMLSS•d),SRT5-30daysCsludgeloadoftentakes0.1-0.2kgBOD5/(kgMLSS•d),SRT5-10daysDsludgeloadoftentakes0.05-0.15kgBOD5/(kgMLSS•d),SRT20-30days第15题

Thetransferrateofpureoxygenaerationoxygenis

____,andthegeneralblastaerationis

____.a

80-90%b

50-70%c

20-40%d

5-25%正确答案：:a正确答案：:dChapter3Homework第1题Themaindifferencebetweentheactivatedsludgeandbiofilmis_____.活性污泥法与生物膜法之间的主要差别是_____。Asludgecontainsprotozoainactivatedsludge,whilebiofilmdoesn’t活性污泥法的污泥中有原生动物，生物膜法的没有Bwhethermicrobesgrowattachedtosolidsurfaceornot,微生物是否附着在固体表面生长Cactivatedsludgerequiresaeration,whilebiofilmdoesn’t活性污泥法需要曝气，生物膜法不需要DSRTinactivatedsludgeisshorterthanthebiofilm活性污泥法的污泥龄比生物膜法的短正确答案：BD第2题Comparedwiththeactivatedsludgeprocess,themainadvantagesofthebiofilmare______.与活性污泥法相比，生物膜法的主要优点是______。Asmallclimateimpact气候影响小Blowoperatingcosts运行费低Clittlesmell味道小Dlowsludgeproduction污泥产量低正确答案：BD第3题Biofilmincludes_____etc.生物膜法包括_____等。Abiofilter生物滤池Bactivatedsludgeprocess活性污泥法Cbiologicalfluidizedbed生物流化床DoxidationDitch氧化沟正确答案：AC第4题Themainreasonthatbiofilmcanhandlelowconcentrationwastewateris____________________.生物膜法能够处理低浓度废水的主要原因是____________________。Aalargenumberoffilamentousbacteriacangrow,butdoesnotbringsludgebulking丝状菌可以大量生长，但不产生污泥膨胀Bhighefficiency效率高Clesssludgeproduction产泥少Dthelargescalegrowthoftheprotozoanandmetazoan原后生动物可以大量生长第5题Maturebiofilmiscomposedby_____.成熟的生物膜由_____组成。Aaerobicmembrane好氧膜Banaerobicmembrane厌氧膜Cbacteriallayer细菌层Darchaealayer古菌层正确答案：AB第6题Thesignofbiofilmmaturityis_____.生物膜成熟的标志是_____。Aaerobicmembranethickening好氧膜的增厚Bappearanceandformationofaerobicmembrane好氧膜的出现与形成Cbiofilmsheddingandupdates生物膜的脱落与更新Dappearanceandthickeningofanaerobicmembrane厌氧膜的出现及增厚第7题Thebasicprinciplesofbiofilmstableoperationare_____.生物膜法稳定运行的基本原则主要有_____等。Atrytoslowdowntheagingprocessofthebiofilm尽量减缓生物膜的老化进程Breasonablycontrolthethicknessoftheanaerobicbiofilmsinbiofilm对生物膜中厌氧生物膜的厚度进行合理控制Cspeeduptheupdateprocessofaerobicbiofilm加快好氧生物膜的更新过程Dcontrolthetemperatureofwastewater控制废水的温度正确答案：ABC第8题Themainfactorsimpactingbio-filterfunctionsare_____.影响生物滤池功能的主要因素有_____等。Aheightandporosityofthefilterbed,specificsurfaceareaofthefilter高度和孔隙率、滤料比表面积Boxygendemand供氧Clightintensity光照强度Dwaterlevel水位正确答案：AB第9题Whenadoptingcommonbiologicalfilter,highloadbiofilterandtowerbiofilterforurbanwastewatertreatment,theorganicloadingsare_____,_____,_____kgBOD/(m3•d).普通生物滤池、高负荷生物滤池和塔式生物滤池处理城市污水时，有机负荷分别是____、____、____kgBOD/(m3·d)。（填相对应小写英文字母）a

1-3b

0.11-0.37c

0.37-1.00正确答案：:b正确答案：:c正确答案：:a第10题Forurbanwastewatertreatment,volumeloadingofbiologicalcontactoxidationprocessmaybe_____kgBOD5/(m3·d).处理城市废水时，生物接触氧化工艺的容积负荷可采用_____kgBOD5/(m3·d)。A1.0~1.8B2.0~3.0C3.0~4.0D0.1~0.5第11题Comparedwiththeactivatedsludgeprocess,themainadvantagesofbiologicalcontactoxidationprocessare_____.与活性污泥法相比，生物接触氧化工艺的主要优点是_____。Ahighsludgeconcentration,highorganicload污泥浓度高、有机负荷高Bsludgedoesn’treturn污泥不回流Cnosludgebulking无污泥膨胀Dsimplestructure结构简单正确答案：ABC第12题Usingthebiodiskasthemainbiologicalprocesses,urbanwastewatertreatmentrequiresfourbiodisks,theirfunctionsare______.采用生物转盘为主体工艺，对城市污水进行深度处理，需要4个生物转盘，各自的功能为______。Aphosphorusremoval,nitrification,anddenitrification除磷、硝化、反硝化Bnitrification,denitrificationandphosphorusremoval硝化、反硝化、除磷Corganicmatterremoval,nitrification,denitrification,phosphorusremoval去除有机物、硝化、反硝化、除磷Dorganicmatterremoval,nitrification,denitrification,advancedtreatment去除有机物、硝化、反硝化、深度处理第13题Themainadvantageofbiologicalfluidizedbedis______.生物流化床的主要优点是______。Ahighload负荷高Blowoperatingcosts运行费低Cstrongimpactresistanceability抗冲击负荷能力强Ddesign,operationalsimplicity设计、运行简便正确答案：AC第14题Forurbanwastewatertreatment,biologicalconcentrationandvolumeloadofbiologicalfluidizedbedcanreach_____.处理城市污水，生物流化床的生物浓度和容积负荷可以达到_____。A2~4gSS/L，1~3kgBOD5/(m3·d)B2~4gSS/L，0.5~1.5kgBOD5/(m3·d)C10~20gSS/L，7~8kgBOD5/(m3·d)D10~20gSS/L，1~3kgBOD5/(m3·d)第15题Forthebiologicalfluidizedbed,theheighttodiameterratioisgenerally____.生物流化床的高径比一般为____。A3-4:1B4-8:1C1-2:1D8:1ormore8:1以上Chapter4Homework第1题Comparedwiththeactivatedsludgeprocess,themainadvantageoftheoxidationditchis_____.与活性污泥法相比，氧化沟的主要优点是_____。Astrongloadresistance,stableoperation抗冲击负荷能力强，运行稳定Blesssludgeproduction污泥产泥少Clowenergyconsumption能耗低Dlowrunningcostslow运行费低正确答案：AB第2题Orbaloxidationditchisalsoknownas_____.Orbal氧化沟又被称为_____。Acarrouseloxidationditch卡鲁塞尔氧化沟Balternatelyworkingoxidationditch交替工作式氧化沟Cconcentricoxidationditch同心圆型氧化沟Dintegral-oxidation一体式氧化第3题Takemunicipalwastewaterasanexample,themaindesignparametersoftheoxidationditchare_____.以城市污水为例，氧化沟的主要设计参数是_____。Aorganicloadis0.03~0.07kgBOD/(kgMLSS•d),

refluxratiois50to300%.有机负荷为0.03∼0.07kgBOD/(kgMLSS·d)，回流比为50-300%。Borganicloadis0.03~0.07kgBOD/(kgMLSS•d),refluxratiois50-150%.有机负荷为0.03∼0.07kgBOD/(kgMLSS·d)，回流比为50-150%。Corganicloadis0.1~0.2kgBOD/(kgMLSS•d),

refluxratiois50-150%.有机负荷为0.1∼0.2kgBOD/(kgMLSS·d)，回流比为50-150%。Dorganicloadis0.1~0.2kgBOD/(kgMLSS•d),refluxratiois50-300%.有机负荷为0.1∼0.2kgBOD/(kgMLSS·d)，回流比为50-300%。第4题Themaintypesofaerationoxidationditchinclude_____.氧化沟的主要曝气类型有_____等。Aaerationbrush曝气转刷Bsurfaceaeration表面曝气Cperforatedpipeaeration穿孔管曝气Dpureoxygenaeration纯氧曝气正确答案：AB第5题FullnameofA-Bprocessis_____.AB法的英文全称是_____。AAphase-BphaseBAerobicBiodegradationCAdsorption--BiodegradationDAnaerobicBiodegradation第6题ThemainparametersofAsegmentinABmethodare_____.AB法的A段的主要工艺参数是_____。Asludgeload2.0-6.0kgBOD5/(kgMLSS•d)污泥负荷2.0-6.0kgBOD5/(kgMLSS·d)Bhydraulicretentiontime30min水力停留时间30minCSRT1-3d污泥龄1-3dDdissolvedoxygen0.5-1.5mg/L溶解氧0.5-1.5mg/L正确答案：AB第7题Comparedwiththeactivatedsludgeprocess,themainadvantageofABprocessis_____.与活性污泥法相比，AB法的主要优点是_____。Alowsludgeproduction污泥产率低Bsimplesystem系统简单Clowenergyconsumption能耗低Dhighremovalefficiency去除率高第8题Comparedwiththeactivatedsludgeprocess,themainadvantageoftheSBRis_____.与活性污泥法相比，SBR的主要优点是_____。Awithoutsettingthesecondarysedimentationtank无需设置二沉池BInmostcases,noneedtosetregulationpool在多数情况下，无需设置调节池Csecondarysedimentationtankissmall二沉池较小Dlargescale规模大正确答案：AB第9题ThemainprocessofSBRincludes_____.SBR的主要工序有_____等。Awaterentering进水Bstay等待Cprecipitation沉淀Dgrit沉砂正确答案：ABC第10题Membranebioreactoris_____.膜生物反应器是_____。Abiofilmreactor生物膜反应器Bmembranereactor膜分离反应器Creactorcombiningmembraneseparationtechnologyandbioreactor膜分离技术和生物反应器结合的反应器Dreactorcombiningmembraneseparationtechnologyandaerobicreactor膜分离技术和好氧反应器结合的反应器第11题Themainadvantageofmembranebioreactoris_____.膜生物反应器的主要优点是_____。Alongsludgeage污泥龄长Bhighsludgeconcentration污泥浓度高Csystemmaintenancesimple系统维护简单Dlowenergyconsumption能耗低正确答案：AB第12题Themaincontrollingmethodofmembranecontaminationinmembranebioreactoris_____.膜生物反应器的膜污染的主要控制方法是_____。Aaeration曝气Breflux回流Cchemicalcleaning化学清洗Dreducetheamountofeffluent降低出水量正确答案：ABC第13题InKunmingfirstsewagetreatmentplant(formerlyLanhuagousewagetreatmentplant),themainwatertreatmentprocessis_____.昆明第一污水处理厂（原兰花沟污水处理厂）的主体水处理工艺是_____。Aclassicalactivatedsludge经典活性污泥法Bmembranebioreactor膜生物反应器CSBRDoxidationDitch氧化沟第14题Ofthefollowingprocesses,whichonedoesnothavethefunctionofnitrogenandphosphorusremoval

_____.下列工艺中，不具有脱氮除磷功能的工艺是_____。Aoxidationditch氧化沟BSBRCmembranebioreactor膜生物反应器DABprocessAB法第15题Ofthefollowingprocesses,whichonehasthehighestinvestmentandoperatingcosts_____.下列工艺中，投资和运行费最高的工艺是_____。Aoxidationditch氧化沟BSBRCmembranebioreactor膜生物反应器DABprocessAB法Chapter5Homework第1题化粪池的主要结构中不包括_____。Themainstructureoftheseptictankisnotincludedin______.A进出水管WaterinletandoutletB上清液层SupernatantlayerC污泥层SludgelayerD出气口Outlet第2题高速厌氧反应器的主要特点是_____。Themainfeatureofthehigh-speedanaerobicreactoris_____.AHRT长LongHRTBSRT长LongSRTC容积负荷高HighvolumeloadD采用絮状污泥Usingflocculentsludge正确答案：BC第3题降解1kgCOD的理论甲烷产量是_____m3。Thetheoreticalmethaneproductionforthedegradationof1kgCODis_____m3.A0.35B0.5C0.55D0.45第4题Imhoff池又称_____。Imhoffpoolisalsocalled_____.A双层沉淀池Double-layersedimentationtankB化粪池SeptictankC自动净化器AutomaticpurifierD升流式反应器Upflowreactor第5题产甲烷菌的污泥产率系数为_____kgVSS/kgCOD左右。Thesludgeyieldcoefficientofmethanogensisabout_____kgVSS/kgCOD.A0.15-0.3B0.03C0.5-0.6D0.2-0.4第6题两相厌氧工艺包括_____。Thetwo-phaseanaerobicprocessincludes_____.A产酸相反应器AcidgeneratingphasereactorB高温反应器HightemperaturereactorC两级厌氧反应器Two-stageanaerobicreactorD产甲烷相反应器Methanogenicphasereactor正确答案：AD第7题厌氧生物反应常采用的温度是_____。Thetemperaturecommonlyusedforanaerobicbiologicalreactionsis_____.A环境温度AmbienttemperatureB35℃左右About

35℃C70℃左右About

70℃D42℃左右About

42℃正确答案：AB第8题UASB反应器的中文是_____。ThefullnameoftheUASBreactoris_____.A降流式厌氧污泥床反应器DownflowanaerobicsludgebedreactorB升流式厌氧反应器UpflowanaerobicreactorC升流式厌氧污泥床反应器UpflowanaerobicsludgebedreactorD厌氧颗粒污泥床反应器Anaerobicgranularsludgebedreactor第9题IC反应器包括_____等主要结构。TheICreactorincludes_____andothermainstructures.A除砂区DesandingareaB第二反应区SecondreactionzoneC搅拌器AgitatorD混合区Mixedzone第10题高速消化池主要特点是_____。Themainfeatureofhigh-speeddigestiontankis_____.A设有加热和搅拌装置EquippedwithheatingandstirringdeviceB污泥浓度高HighsludgeconcentrationC泥水分层MudlayerDSRT长LongSRT第11题厌氧生物处理技术主要用于_____。Anaerobicbiologicaltreatmenttechnologyismainlyusedfor_____.A去除有机物RemovingorganicmatterB改善难降解有机物的可生化性ImprovingbiodegradabilityofrefractoryorganicmatterC除磷RemovingphosphorusD回收沼气Recoveringbiogas正确答案：ABCD第12题与好氧生物处理相比，厌氧生物处理的主要优点是_____。Comparedwithaerobicbiologicaltreatment,themainadvantageofanaerobicbiologicaltreatmentis_____.A造价低LowcostB运行费低LowoperatingcostC出水水质好GoodeffluentqualityD污泥产率低Lowsludgeyield正确答案：BD第13题与好氧生物处理相比，厌氧生物处理的主要缺点是_____。Comparedwithaerobicbiologicaltreatment,themaindisadvantageofanaerobicbiologicaltreatmentis_____.A负荷低LowloadB出水水质差PooreffluentqualityC稳定性差PoorstabilityD能耗高Highenergyconsumption第14题与厌氧生物处理相关的主要微生物有_____。Themainmicroorganismsassociatedwithanaerobicbiologicaltreatmentare_____.A亚硝化细菌NitrosatingbacteriaB硝化细菌NitrifyingbacteriaC产酸菌AcidogenicbacteriaD产甲烷菌Methanogens正确答案：CD第15题早期厌氧反应器的主要特点是_____。Themainfeatureoftheearlyanaerobicreactoris_____.A水质好GoodwaterqualityB没有臭气NosmellC净化是沉淀为主，反应为辅。Purificationismainlybasedonprecipitation,supplementedbyreaction.D停留时间短ShortresidencetimeChapter6Homework第1题两级活性污泥法脱氮工艺中，好氧池的主要功能是_____。Inthetwo-stageactivatedsludgedenitrificationprocess,themainfunctionoftheaerobictankis_____.A去除有机物RemovingorganicmatterB亚硝化NitrosationC吸收磷PhosphorusabsorptionD硝化Nitrification正确答案：ABD第2题可以实现生物脱氮的工艺有_____。Theprocessesthatcanachievebiologicaldenitrificationare_____.A氧化沟OxidationditchBSBRC经典活性污泥法ClassicactivatedsludgemethodD流化床生物反应器Fluidizedbedbioreactor正确答案：ABD第3题生物除磷工艺的主要工艺参数是_____。Themainprocessparameterofthebiologicalphosphorusremovalprocessis_____.A水力停留时间为3~6hHydraulicretentiontimeis3~6hB曝气池内的污泥浓度一般在2500~3000mg/LThesludgeconcentrationintheaerationtankisgenerally2500~3000mg/LC水力停留时间为0.5~1hThehydraulicretentiontimeis0.5~1hD曝气池内的污泥浓度一般在4000~8000mg/LThesludgeconcentrationintheaerationtankisgenerally4000~8000mg/L正确答案：AB第4题下列工艺中，_____是同时脱氮除磷工艺。Inthefollowingprocesses,_____isasimultaneousdenitrificationanddephosphorizationprocess.APhostrip工艺PhostripprocessBBardenpho工艺BardenphoprocessCA/O/O工艺A/O/OprocessDPhoredox工艺Phoredoxprocess正确答案：BD第5题A/A/O工艺的中文全称是_____。ThefullnameoftheA/A/Oprocessis_____.A厌氧/好氧/缺氧Anaerobic/aerobic/anoxicB厌氧/缺氧/好氧Anaerobic/anoxic/aerobicC缺氧/厌氧/好氧Anoxic/anaerobic/aerobicD好氧/厌氧/缺氧Aerobic/anaerobic/anoxic第6题A/A/O工艺中回流混合液的主要目的是_____。ThemainpurposeoftherefluxmixtureintheA/A/Oprocessis_____.A除磷PhosphorusremovalB脱氮DenitrificationC降低进水中基质浓度，提高抗冲击负荷能力ReducethematrixconcentrationintheinfluentandimprovetheimpactloadresistanceD回流碱度Refluxalkalinity正确答案：BD第7题以城市污水为例，A/A/O工艺的主要工艺参数是_____。Takingurbansewageasanexample,themainprocessparameterofA/A/Oprocessis_____.A缺氧反应器的水力停留时间为0.5-1.0hThehydraulicretentiontimeoftheanoxicreactoris0.5-1.0hB混合液的回流比为0.5-1Therefluxratioofthemixedsolutionis0.5-1C污泥的回流比为0.5-1Thesludgereturnratiois0.5-1D好氧反应器的DO在3mgL-1以上TheDOofaerobicreactorisabove3mgL-1正确答案：AC第8题水质是脱氮除磷效果的重要影响因素，如果要获得较好的去除率，一般来水的BOD5/P最好是_____。Waterqualityisanimportantfactorinfluencingtheeffectofnitrogenandphosphorusremoval.Ifyouwanttogetabetterremovalrate,theBOD5/Poftheincomingwaterispreferably_____.A5-15B>10C>15D10-20第9题下列_____药剂不能去除磷。Thefollowing_____agentscannotremovephosphorus.AAl2(SO4)3BFeCl3CPAMD石灰第10题自来水中氨氮的去除可以采用_____工艺脱氮。Theremovalofammonianitrogenintapwatercanbecarriedoutbythe_____process.A吹脱法Blow-offB折点加氯ChlorinationC生物脱氮BiologicalnitrogenremovalD混凝沉淀Coagulationprecipitation第11题A/O除磷工艺的A代表_____。AforA/Odephosphorizationprocessrepresents_____.A好氧AerobicB缺氧AnoxiaC厌氧AnaerobicD兼性Facultative第12题以城市污水为例，生物除磷的出水中磷浓度可以低于_____mg/L。Takingurbansewageasanexample,thephosphorusconcentrationintheeffluentofbiologicalphosphorusremovalcanbelowerthan_____mg/L.A1B0.5C0.3D1.5第13题下列两种工艺中，处理高浓度有机废水的A/O工艺的A/O是____；生物脱氮的A/O工艺的A/O是____。（填相对应小写英文字母）Inthefollowingtwoprocesses,theA/Oprocessofhigh-concentrationorganicwastewaterisA/Oprocess[fill-in1];A/OprocessofbiologicaldenitrificationA/Oprocessis[fill-in2].(FillincorrespondinglowercaseEnglishletters)a缺氧-好氧a

Anoxia-aerobicb厌氧-好氧

bAnaerobic-aerobic正确答案：:b正确答案：:a第14题在三级活性污泥法脱氮工艺中，有____个好氧池、____个缺氧池、____个沉淀池。（填写数字，如1,2,3）Inthethree-stageactivatedsludgedenitrificationprocess,thereare[fill-in1]aerobictank,[fill-in2]anoxictank,and[fill-in3]sedimentationtank.(Fillinthenumbers,suchas1,2,3)正确答案：:2正确答案：:1正确答案：:3Chapter7Homework第1题根据池内溶解氧水平，稳定塘可以分为_____等。Accordingtothelevelofdissolvedoxygeninthepool,stablepondscanbedividedinto_____,etc.A好氧塘AerobicpondB兼性塘FacultativepondC脱氮塘DenitrificationpondD除磷塘Phosphorusremovalpond正确答案：AB第2题稳定塘的主要缺点是_____。Themaindisadvantageofthestablepondis_____.A运行费高HighoperatingcostB造价高HighcostC占地大LargeareaD受气候影响大Greatlyaffectedbyclimate正确答案：CD第3题稳定塘设计的主要工艺参数有_____等。Themainprocessparametersofthedesignofthestabilizationpondare_____andsoon.ADOB塘深DepthC液相流速LiquidphaseflowrateD停留时间Residencetime正确答案：BD第4题稳定塘可能产生的二次污染主要包括_____等。Thepossiblesecondarypollutionofstablepondmainlyincludes_____andsoon.A滋生蚊虫BreedingmosquitoesB产生雾霾ProducingsmogC污染地下水ContaminatinggroundwaterD产生大量污泥Producingalotofsludge正确答案：AC第5题土地处理的净化原理包括_____等。Thepurificationprinciplesoflandtreatmentinclude_____andsoon.A过滤FilterB吸附AdsorptionC生物反应BiologicalreactionD化学反应Chemicalreaction正确答案：ABCD第6题下列_____属于土地处理。Thefollowing_____belongstolandtreatment.A快速渗滤RapidinfiltrationB快滤池QuickfilterC生物膜反应器BiofilmreactorD膜生物反应器Membranebioreactor第7题在下列工艺中，_____的出水水质最好。Inthefollowingprocess,theeffluentqualityof_____isthebest.A慢速渗滤SlowinfiltrationB快速渗滤RapidinfiltrationC地表漫流SurfaceflowD湿地系统Wetlandsystem第8题土地处理系统中含有_____等部分。Thelandtreatmentsystemcontains_____.A污泥排放系统SludgedischargesystemB输送、布水系统ConveyingandwaterdistributionsystemC气体收集系统GascollectionsystemD回流系统RefluxsystemChapter8Homework第1题下列选择中，不属于污泥的来源有_____。Amongthefollowingoptions,sourcesthatdonotbelongtosludgeare_____.A初沉污泥SludgeintheprimarysinkB二沉污泥SludgeinthesecondarysedimentationtankC剩余污泥ExcesssludgeD河床淤泥Riverbedsilt第2题活性污泥的含水率大约是____，初沉污泥的含水率大约是____。（填相对应小写英文字母）Thewatercontentofactivatedsludgeisapproximately[fill-in1],andthewatercontentofprimarysludgeisapproximately[fill-in2].(FillincorrespondinglowercaseEnglishletters)a

90-92b

70-85c

95d

99.2-99.6正确答案：:d正确答案：:c第3题环境影响较小的污泥处置的基本流程应为_____。Thebasicprocessofsludgedisposalwithlessenvironmentalimpactshouldbe_____.A浓缩-稳定化-脱水-最终处置Concentration-stabilization-dehydration-finaldisposalB稳定化-脱水-最终处置Stabilization-dehydration-finaldisposalC脱水-最终处置Dehydration-finaldisposalD浓缩-脱水-最终处置Concentration-dehydration-finaldisposal第4题常用的污泥稳定化技术不包括_____。Commonlyusedsludgestabilizationtechnologydoesnotinclude_____.A好氧消化AerobicdigestionB厌氧消化AnaerobicdigestionC湿式氧化WetoxidationD高级氧化Advancedoxidation第5题与传统厌氧消化池相比，高效厌氧消化池的特点是_____。Comparedwithtraditionalanaerobicdigesters,thecharacteristicsofhigh-efficiencyanaerobicdigestersare_____.A有加热HeatedB有搅拌StirringC反应时间缩短至30dResponsetimeisreducedto30dD可分离出上清液Supernatantcanbeseparated正确答案：AB第6题污泥厌氧消化二级工艺指_____。Thesecondaryprocessofsludgeanaerobicdigestionrefersto_____.A高效厌氧消化+传统厌氧消化Efficientanaerobicdigestion+traditionalanaerobicdigestionB两级高效厌氧消化Two-stageefficientanaerobicdigestionC高效厌氧消化+沉淀+传统厌氧消化+沉淀Efficientanaerobicdigestion+precipitation+traditionalanaerobicdigestion+precipitationD高效厌氧消化+沉淀+传统厌氧消化Efficientanaerobicdigestion+precipitation+traditionalanaerobicdigestion第7题污泥好氧消化的主要特点是_____。Themainfeatureofaerobicdigestionofsludgeis_____.A能耗低LowenergyconsumptionB适合大厂使用SuitableforlargefactoriesC消化污泥的卫生条件好Goodhygienicconditionsfordigestingsludge

D适合小厂使用Suitableforsmallfactories正确答案：CD第8题污泥中的水包含_____。Thewaterinthesludgecontains_____.A游离水FreewaterB毛细水CapillarywaterC附着水AttachedwaterD外部水Externalwater正确答案：ABC第9题在常用的脱水方法中，下列_____方法可以将污泥的含水率降至75%以下。Amongthecommonlyuseddehydrationmethods,thefollowing_____methodcanreducethemoisturecontentofsludgetobelow75%.A带式脱水机BeltdehydratorB板框压滤机PlateandframefilterpressC离心脱水机CentrifugaldehydratorD干燥机Dryer正确答案：BC第10题在下列脱水药剂中，_____是常用的。Amongthefollowingdehydratingagents,_____iscommonlyused.AFeCl3·6H2OBPBCC阴离子型PAMAnionicPAMD阳离子型PAMCationicPAM正确答案：AD第11题在下列工艺中，_____属于体积减量化技术。Inthefollowingprocess,_____belongstovolumereductiontechnology.A好氧消化AerobicdigestionB厌氧消化AnaerobicdigestionC浓缩ConcentrationD脱水Dehydration正确答案：AD第12题污泥离心脱水的主要优点是_____。Themainadvantageofcentrifugalsludgedewateringis_____.A药剂量小SmalldoseB处理量大LargeprocessingcapacityC能耗低LowenergyconsumptionD操作简单，自动化程度高Simpleoperationandhighdegreeofautomation正确答案：ABD第13题_____污泥适合采用气浮浓缩法。_____sludgeissuitableforairflotationconcentrationmethod.A亲水的HydrophilicB比重大于1Specificgravitylargerthan1C容易膨胀的污泥EasilyswellablesludgeD栅渣Slag第14题拟将污泥的含水率降至30%，可采用的工艺是_____。Itisplannedtoreducethemoisturecontentofthesludgeto30%,andtheavailableprocessis_____.A浓缩-脱水Concentration-dehydrationB浓缩-脱水-干化Concentration-dehydration-dryingC脱水-干化Dehydration-dryingD脱水Dehydration正确答案：