Chemical elements
  Oxygen
    Phlogiston
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
    Ozone
    Atmosphere
      Oxygen in Air
      Carbon Dioxide
      Water-Vapour
      Desiccation of Air
      Atmospheric Ozone
      Atmospheric Nitrogen
      Hydrogen in the air
      CO in Atmosphere
      Miscellaneous Substances
      Soil Atmosphere
      Mine Air
      Tunnel Air
      Dust
      Bacteriology of Air
      Respired Air
      Air Mixture
      Physical Properties
      Liquid air
    Water
    Hydrogen peroxide

Tunnel Air






The Tunnel Air, or air in tunnels, through which coal-fired locomotives pass, contains many impurities in exceptional quantities, chief amongst which are sulphur dioxide, carbon monoxide and dioxide. In the following table are given the average amounts of sulphur dioxide and carbon monoxide in 10,000 parts of air as found in tunnels in Baltimore, U.S.A., through which steam and electric locomotives, respectively, pass

Steam Locos.Electric Locos.
SO20.510.029
CO2.670.25


© Copyright 2008-2012 by atomistry.com