Page 126 - Gas Adsorption Equilibria

112 Chapter 2

kg mass of sorptive gas in storage vessel prior
to adsorption

kg mass of adsorbate on the surface of a certain
mass of sorbent

kg mass of fluid, i. e. gaseous or liquid sorptive
phase

g/mol molar mass of helium

g/mol molar mass of component i = 1...N of a
sorptive gas mixture

mol number of mols in a gas mixture filled in the
storage vessel prior to adsorption

mol number of mols of a sorptive gas mixture in
a gas-adsorption equilibrium state

p Pa pressure of sorptive gas

R=8.314 J/Kmol universal gas constant

1 selectivity of component i relative to
component k in a multi-component gas-
adsorption equilibrium state

T K absolute temperature

volume of sorption chamber

volume of the combined sorbate and sorbent
system

volume of storage vessel

volume of a (porous) sorbent measured by
helium expansion experiments

1 mass concentration of component i in an
adsorbed phase