ACEE 434 Environmental Systems Design - Korea University
ACEE 434 Environmental Systems Design - Korea University
ACEE 434 Environmental Systems Design - Korea University
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Gases<br />
• N 2 , O 2 , CO 2 , H 2 S, NH 3 , CH 4<br />
atmosphere<br />
decomposition of organic matters<br />
• Solubility of gases in water<br />
- The ideal gas law<br />
PV = nRT<br />
- Henry’s law<br />
P =<br />
g<br />
H<br />
P<br />
T<br />
x<br />
g<br />
P = absolute pressure, atm<br />
V = volume occupied by the gas, L, m3<br />
n = mole of gas, mole<br />
R = universal gas law constant, t 0.082057082057 atm·L/mole·K<br />
T = temperature, K<br />
P g = mole fraction of gas in air, mole gas/mole of air<br />
H = Henry’s law constant,<br />
atm (mole gas/mole air)/(mole gas/mole water)<br />
P T = total pressure, usually 1.0 atm<br />
x g = mole fraction of gas in water, mole gas/mole water<br />
<strong>ACEE</strong> <strong>434</strong> Fall 2009 HDP 21
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