Appeal No. 1997-0616
Application No. 08/318,205
The subject matter on appeal relates to a method of drying
fuel gas containing water vapor and at least one pollutant
comprising at least one member of the group consisting of
volatile organic compounds, hydrogen sulfide, and other gaseous
pollutants. (Appeal brief, page 3.) Further details of this
appealed subject matter are recited in illustrative claim 13
reproduced below:
13. A method of drying fuel gas containing water
vapor and at least one pollutant comprising at least
one member of the group consisting of volatile organic
compounds, hydrogen sulfide and other gaseous
pollutants, said method comprising:
A. bringing said fuel gas into contact, in
a gas/liquid contact vessel, with a
liquid desiccant having an affinity for
said water vapor and pollutant, thereby
transferring water vapor and pollutant
from said fuel gas into said desiccant;
B. reconcentrating resultant rich
desiccant containing water and
pollutant by introducing said desiccant
into a reconcentration system
comprising a reboiler having a heating
vessel, liquid and gas spaces in said
heating vessel, a liquid outlet from
said liquid space, and a column having
a gas and/or vapor transmitting
connection between said heating vessel
gas space and said column and a vapor
outlet for discharging gas and/or vapor
from said column;
(paper 25) that the amendment will be entered for purposes of
this appeal.
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