Title:
USE OF PRE-OXIDIZED ILMENITE IN FLUIDIZED BED BOILERS
Document Type and Number:
WIPO Patent Application WO/2016/202639
Kind Code:
A3
Abstract:
The invention relates to a method for starting up a fluidized bed boiler, such as a circulating fluidized bed (CFB) or a bubbling fluidized bed (BFB) boiler, for operation with a predetermined concentration of ilmenite particles in the bed material. The invention also relates to a method for pre-oxidizing ilmenite, to pre-oxidized ilmenite and to the use of pre-oxidized ilmenite in a fluidized bed boiler.
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Inventors:
ANDERSSON BENGT-AKE (SE)
LIND FREDRIK (SE)
THUNMAN HENRIK (SE)
LIND FREDRIK (SE)
THUNMAN HENRIK (SE)
Application Number:
PCT/EP2016/062885
Publication Date:
February 16, 2017
Filing Date:
June 07, 2016
Export Citation:
Assignee:
IMPROBED AB (SE)
International Classes:
C22B34/12; F23C10/18
Foreign References:
| NZ196064A | 1986-01-24 | |||
| US4960057A | 1990-10-02 | |||
| CN103031433B | 2014-07-30 | |||
| US3764651A | 1973-10-09 |
Other References:
"An analysis of ilmenite particles used as bed material for combustion of biomass in a CFB boiler", 17 December 2013, CHALMERS UNIVERSITY OF TECHNOLOGY, article ANGELICA CORCORAN, XP055216064
Attorney, Agent or Firm:
GLAWE DELFS MOLLPARTNERSCHAFT MBB VON PATENT- UND RECHTSANWÄLTEN (DE)
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