专业英语词汇小结（环工专业）

《专业英语词汇小结（环工专业）》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、WaterSupply给水1-WaterSupplySystem给水系统1、twomajorsources两人主要水源：surfacewater地表水、groundwater地下水2、composition组丿j戈：collectionl

2、攵集、purification7争化、transmission传输、distribution分丙己3、storage存储装置：watertower水塔、tankorreservoir水池或水库4、waterdemand:1)theaveragedailywaterconsumption平均R用水量

3、2)thepeakrate高峰用水速度variationfactor波动系数5、majorfactors主要影响因素：industrialactivity,meterage仪农计量，systemmanagement,standardofliving,climate2-SelectionofWaterTreatmentProcesses给水处理流程的选择1、pretreatmentprocesses预处理流程：screening榕栅、presedimentation预沉降、desilting除砂、chemicaladdition化学添

4、加剂、aeration曝气2>常用化学药品：activatedcarbon活性炭、chlorine氯、chlorinedioxide氧化氯、potassiumpermanganate高猛酸钾、alum明矶3、flexibility加药的灵活性：pre-intermediate-post-chlorination前、屮、后氯化4、groundwaterplant地卜水处理厂Page45:trayaerator盘式曝气器一contactordetentiontank接触池或停留池一sandfilter砂滤池5、surfacewaterp

5、lant地表水处理厂Page46:mixing,flocculation混合絮凝一settlingtank沉淀池一sandfilter砂滤池3-MixingandFlocculation混合和絮凝=Coagulation混凝4-SedimentationorClarification沉淀或澄清5-FiltrationandBackwashing过滤及反冲洗6-Disinfection消毒7-SelectionofProcessesforWaterTreatmentSludges污泥处理流程的选择Page95:storage储存一ch

6、emicalconditioning化学调节、thickening浓缩一mechanicaldewatering机械脱水一airdrying空气T•燥一disposal处置、chemicalrecovery化学冋收8-DistributionSystemConfigurationandAnalysis配水系统的构造与分析WastewaterTreatment污水处理1-WaterPollutantsandTheirSources污染物及其来源1、pointsources点源：domesticsewage生活污水industrialw

7、aste工业废水municipalwastewater城市污水nonpointsources非点源：stormwaterhbj水urbanandruralrunoff城市和农村地表径流2、污染物：1)oxygen・demandingmaterial耗氧物质：DO溶解氧aquaticlife水生生物2)nutrients营养物：nitrogenandphosphoruseutrophication富营养化3)pathogenicorganics致病微生物：bacteria细菌、viruses病壽、protozoa原生动物4)total

8、solids总固体：suspended悬浮态、dissolved溶解态、colloidal胶体态5)salts盐类：chlorides氯化物、carbonates碳酸盐nitrates硝酸盐sulphates硫酸盐6)toxicmetalsandtoxicorganiccompounds有毒金属和有毒有机物：lead铅zinc锌pesticides杀虫剂herbicides除草剂7)heat热2-WastewaterCollectionSystems污水收集系统1、combinedsystem合流制sanitarysewers下水道

9、：stormsewers雨水管：specifiedfrequency特定频率2-100y,2、separatedsystem分流制：completeseparation完全分离partialseparation部分分离3•污水处理四类