大气污染控制工程(英文)ppt课件

  • 发布时间:2014-02-25
  • 课件大小:2.10 MB
  • 所属栏目:工程类
  • 课件格式:.rar(压缩解压).ppt(使用格式)
  • 课件等级:大气污染控制工程(英文)ppt课件推荐等级为3星
  • 简略标题:大气污染控制工程(英文)
  • 应用环境:多媒体教学
  • 制作使用:PowerPoint
  • 应用阶段:环境

大气污染控制工程(英文)ppt课件介绍

大气污染控制工程(英文)ppt课件内容预览:§2 Air Pollution effects§3 Air Pollution control philosophies§4 Air Pollution Measurement, EmissionEstimates§5 Meteorology for Air Pollution controlEngineers§6 Air Pollutant ConcentrationModels§7 General Ideas in Air Pollution control§8 Nature of ParticulatePollutants§9 Control of PrimaryParticulates§10 Control of Volatile OrganicCompounds§11 Control of SulfurOxides§12 Control of NitrogenOxides§13 Other topicsContents§1 Introduction to Air Pollution control1.1 Definition of AirPollution1.2 Source of AirPollutionppt1.3 Results of AirPollution1.1 Definition of AirPollutionAir pollution is the presence of undesirable material in air,in quantities large enough to produce harmful effects.It causes harmful effects on human health,property,aesthetics,and the global climate.Key point:(1)it is harmful to vegetation,biotic or abiotic.(2) The quantities are too great to be accepted(The pollutant concentration exceeds the acceptable lever)Structure of the Electricity generation inChinaPollutedAir1.3 Results of AirPollutionA. Global Warming—caused by Carbon Dioxide, Other Greenhouse Gases,AerosolsB. Ozone Depletion—caused by (CFCS)Chlorofluorocarbons 氯氟碳化合物,氟里昂C. AcidRainGlobalWarmingimproveA. GlobalWarmingCarbonDioxideOther GreenhouseGasesAerosolsCaused by(CFCS)--Chlorofluorocarbons 氯氟碳化合物,氟里昂ozone is about 10~40km in height from the surface of the earthUse the thickness of the ozone to measure it:1 Dobson unit=1×10-3cmIf the ozone is less than 220 DU, Ozone hollow turns up. The cavity in the Antarctic pole (the south pole)is becoming larger and larger.Ozone( O3)DepletionconsumptionC. Acid Rain --pH12.some pollutant has no threshold limit valuesFor instance:arsenic;isocyanate (异氰酸盐);carcinogens(致癌物)B. Air pollution Effects onPropertyC. Air Pollution Effects onVisibility§3 Air Pollution ControlPhilosophiesEmissionStandardAir QualityStandardEmission Tax (税)CostBenefitWhat is EmissionStandard?

课件关键字:大气污染,控制,工程,污染,大气

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