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In dry gas flows the recovery is greater than in wet gas flows due to the liquid component. This difference can be exploited to provide a measurement for the liquid fraction. This involves adding a second pressure tapping downstream of the Venturi to provide a measure of the partly recovered pressure drop.
A natural-gas processing plant in Aderklaa, Austria. Natural-gas processing is a range of industrial processes designed to purify raw natural gas by removing contaminants such as solids, water, carbon dioxide (CO 2), hydrogen sulfide (H 2 S), mercury and higher molecular mass hydrocarbons to produce pipeline quality dry natural gas [1] for pipeline distribution and final use. [2]
For example, such a regulation might limit the concentration of NOx to 55 ppmv in a dry combustion exhaust gas corrected to 3 volume percent O 2. As another example, a regulation might limit the concentration of particulate matter to 0.1 grain per standard cubic foot (i.e., scf) of dry exhaust gas corrected to 12 volume percent CO 2 .
Wet exhaust flue gas: Amount of wet exhaust gas, m 3 /GJ of fuel 294.8 303.1 323.1 Amount of wet exhaust gas, scf/10 6 Btu of fuel 11,600 11,930 12,714 CO 2 in wet exhaust gas, volume % 8.8 12.4 13.7 O 2 in wet exhaust gas, volume % 2.0 2.6 3.4 Molecular weight of wet exhaust gas 27.7 29.0 29.5 Dry exhaust flue gas: Amount of dry exhaust gas, m ...
Dry gas wells: These wells typically produce only raw natural gas that contains no condensate with little to no crude oil and are called non-associated gas. Condensate from dry gas is extracted at gas processing plants and is often called plant condensate. [3] Condensate wells: These wells typically produce raw natural gas along with natural ...
As an example, a measured NO x concentration of 45 ppmv in a dry gas having 5 volume % O 2 is: 45 × ( 20.9 - 3 ) ÷ ( 20.9 - 5 ) = 50.7 ppmv of NO x. when corrected to a dry gas having a specified reference O 2 content of 3 volume %. Note: The measured gas concentration C m must first be corrected to a dry basis before using the above equation.
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Dry deposition is caused by: Impaction. This is when small particles interfacing a bigger obstacle are not able to follow the curved streamlines of the flow due to their inertia, so they hit or impact the droplet. The larger the masses of the small particles facing the big one, the greater the displacement from the flow streamline.