REACTOR DE LECHO FLUIDO DE DOS ZONAS

The invention relates to a fluidised-bed reactor (10, 20, 30, 40) comprising two zones (11,12, 21, 22; 31, 32; 41, 42), in which the upper zone (11, 21, 31, 41) has a different cross-section to the lower zone (12, 22, 32, 42). A zone with a reducing atmosphere is obtained in one of the two zones (11...

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Bibliographic Details
Main Authors GIMENO TOLOSA, MARIA PILAR, HERGUIDO HUERTA, JAVIER, TELLEZ ARISO, CARLOS, SOLER HERRERO, JAIME, MENENDEZ SASTRE, MIGUEL
Format Patent
LanguageSpanish
Published 30.12.2010
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:The invention relates to a fluidised-bed reactor (10, 20, 30, 40) comprising two zones (11,12, 21, 22; 31, 32; 41, 42), in which the upper zone (11, 21, 31, 41) has a different cross-section to the lower zone (12, 22, 32, 42). A zone with a reducing atmosphere is obtained in one of the two zones (11,12, 21, 22; 31, 32; 41, 42) and a zone with an oxidising atmosphere is obtained in the other zone. In a preferred embodiment of the invention, the cross-section of the upper zone (11, 21, 31, 41) is greater than that of the lower zone (12, 22, 32, 42), thereby producing a reducing atmosphere in the upper zone (11, 21, 31, 41) and an oxidising atmosphere in the lower zone (12, 22, 32, 42). In addition, rows of flow-distributing pipes are provided in the upper zone (11, 21, 31, 41) in order to prevent the appearance of dead zones.
Bibliography:Application Number: ES20080001839