Generation of electricity and the treatment and disposal of sewage
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United States of America Patent
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Dec 10, 2002
Grant Date -
N/A
app pub date -
Nov 28, 2000
filing date -
Apr 3, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a method and apparatus for the generation of electricity combined with the further treatment of sewage from a sewage treatment plant. In one form of the invention a stream of compressed air/contaminated air (108, 110) is passed to a mixing device (18) where it is mixed with a stream of introduced fuel gas (112). The mixture is combusted and the resultant gases are fed to the expansion chamber (6) of a gas turbine which drives an alternator (10) thus generating electricity. Rather than simply dissipate them to atmosphere, the gases (126) are utilized in the heating and disinfection of sewage (148) from an initial sewage treatment plant. The thus disinfected sewage (150) passes to a pressure vessel (12) wherein it encounters and saturates the stream of compressed air/contaminated air (108, 110) passing to the mixing device (18).
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