Method and apparatus for recovering energy from wastes

Details Method and apparatus for recovering energy from wastes Method and apparatus for recovering energy from wastes

1997-12-03

2000-03-07

Nguyen, Hoang

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

60671, 60 3912, 60 39414, F01K 2508

Patent

active

060324678

ABSTRACT:
A method and apparatus for recovering energy from wastes is used for recovering energy by gasifying wastes such as municipal waste. The method comprises gasifying wastes in a fluidized-bed gasification furnace at a relatively low temperature; introducing gaseous material and char produced in the fluidized-bed gasification furnace into a melting furnace; gasifying the gaseous material and char in the melting furnace at a relatively high temperature; introducing gas produced in the melting furnace into a heat exchanging unit; and delivering heat recovered in the heat exchanging unit to a heat cycle to generate electric energy.

REFERENCES:
patent: 4444007 (1984-04-01), Mitchell et al.
patent: 4878440 (1989-11-01), Tratz et al.
patent: 5255507 (1993-10-01), Gounder
patent: 5265410 (1993-11-01), Hisatome
patent: 5509264 (1996-04-01), Ito et al.
patent: 5771677 (1998-06-01), Rohrer

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