BIOMASS GASIFICATION SYSTEM AND METHOD

WIPO Patent Application WO2002050214

A3

An improved system and method is provided for operating a parallel entrainment fluidized bed gasifier system (A). A first aspect of the present invention relates to a method for reducing ash agglomeration in a parallel entrainment fluidized bed gasifier/combustor system (20/22) by adding a quantity of MgO to the feedstock used in the gasifier/combustor system (20/22). A second aspect of the present invention relates to an apparatus and method for reducing erosion at piping bends in fluidized particulate piping systems which utilizes sand retention cavities (70) positioned to receive and retain a portion of the fluidized particulate. A third aspect of the present invention relates to an apparatus and method for facilitating the flow of sand and char fragments from a first compartment to a second compartment while minimizing the flow of gases between the first and second compartments.

WO/2001/073346	COAL COMBUSTION PRODUCTS RECOVERY PROCESS
JP3033735	[Name of device] Lid of land hole for garbage disposal
JP4076345	Calcined aggregate made from asbestos or asbestos-containing serpentinite

PAISLEY MARK A

PCT/US2001/050013

July 31, 2003

December 20, 2001

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FUTURE ENERGY RESOURCES CORP (US)

B09B3/00; C02F11/10; C10J3/00; F23G5/027; C10J3/46; C10J3/54; C10J3/56; F23C10/24; F23G5/30; (IPC1-7): F23G7/00; F23B7/00; B65G51/30

US4828581A	1989-05-09
US4253408A	1981-03-03
US4771712A	1988-09-20
US5001994A	1991-03-26
US4641864A	1987-02-10
US6202576B1	2001-03-20
US5141708A	1992-08-25
US0610066A	1898-08-30
US5060984A	1991-10-29
US6269778B1	2001-08-07
US5463968A	1995-11-07
US6065409A	2000-05-23
US4616574A	1986-10-14

See also references of EP 1352042A4

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