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  2. Air separation - Wikipedia

    en.wikipedia.org/wiki/Air_separation

    An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.

  3. Convective condensation level - Wikipedia

    en.wikipedia.org/wiki/Convective_condensation_level

    The convective condensation level (CCL) represents the height (or pressure) where an air parcel becomes saturated when heated from below and lifted adiabatically due to buoyancy. In the atmosphere, assuming a constant water vapor mixing ratio, the dew point temperature (the temperature where the relative humidity is 100%) decreases with ...

  4. Airflow - Wikipedia

    en.wikipedia.org/wiki/Airflow

    Airflow, or air flow, is the movement of air. Air behaves in a fluid manner, meaning particles naturally flow from areas of higher pressure to those where the pressure is lower. Atmospheric air pressure is directly related to altitude, temperature, and composition. [1]

  5. Water, Air, & Soil Pollution - Wikipedia

    en.wikipedia.org/wiki/Water,_Air,_&_Soil_Pollution

    Water, Air, & Soil Pollution is a monthly peer-reviewed scientific journal covering the study of environmental pollution. It was established in 1971 and is published by Springer Science+Business Media. The editor-in-chief is Jack T. Trevors. According to the Journal Citation Reports, the journal has a 2017 impact factor of 1.769. [1]

  6. Aerometer - Wikipedia

    en.wikipedia.org/wiki/Aerometer

    Using an aeromerer. An aerometer is an instrument designed to measure the density (among other parameters) of the air and some gases. [1] [2]The word aerometer (or Ärometer, from Ancient Greek ἀήρ -aer "air" and μέτρον -métron "measure, scale") refers to various types of devices for measuring or handling of gases.

  7. Clean air delivery rate - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Delivery_Rate

    The clean air delivery rate (CADR) is a figure of merit that is the cubic feet per minute (CFM) of air that has had all the particles of a given size distribution removed. For air filters that have air flowing through them, it is the fraction of particles (of a particular size distribution) that have been removed from the air, multiplied by the ...

  8. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    Coarse bubble aeration is a type of subsurface aeration wherein air is pumped from an on-shore air compressor. [ 6 ] through a hose to a unit placed at the bottom of the water body. The unit expels coarse bubbles (more than 2mm in diameter), [ 7 ] which release oxygen when they come into contact with the water, which also contributes to a ...

  9. Airborne transmission - Wikipedia

    en.wikipedia.org/wiki/Airborne_transmission

    Inhalation of these pathogens affects the respiratory system and can then spread to the rest of the body. Sinus congestion, coughing and sore throats are examples of inflammation of the upper respiratory airway. Air pollution plays a significant role in airborne diseases. Pollutants can influence lung function by increasing air way inflammation ...