Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Reexamination Certificate
2006-06-06
2006-06-06
Nguyen, Hoang (Department: 3748)
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
C060S670000
Reexamination Certificate
active
07055325
ABSTRACT:
A process and apparatus are described for generating electrical energy using grains or other renewable biomass as the fuel, and for producing fertilizer to grow subsequent crops. In the process, a biomass material is incinerated in a firebox of a boiler to power a first turbine to create electricity. An excess air flow is introduced into the firebox to increase NOxproduction. The oxidation area of the boiler is operated at a temperature exceeding about 2,000° F., and the flue gases are maintained in the high temperature environment for an increased residence time to increase NOxproduction. The flyash from the incinerated biomass is filtered from the flue gases exhausted from the boiler. The NOxis removed from the filtered flue gases and used to produce a nitrogen fertilizer. The nitrogen fertilizer is blended with the flyash to form a balanced fertilizer product which allows sustainable production of the biomass material.
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Nguyen Hoang
Thompson Jeffrey L.
Thompson & Thompson P.A.
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