Search International and National Patent Collections

1. (WO2017060889) METHOD FOR OPERATING A FLUIDIZED BED BOILER

Pub. No.:    WO/2017/060889    International Application No.:    PCT/IB2016/056688
Publication Date: Fri Apr 14 01:59:59 CEST 2017 International Filing Date: Tue Nov 08 00:59:59 CET 2016
IPC: F23C 10/00
F23C 10/02
F23C 10/32
Applicants: IMPROBED AB
Inventors: ANDERSSON, Bengt-Ake
KNUTSSON, Pavleta
LIND, Fredrik
THUNMAN, Henrik
Title: METHOD FOR OPERATING A FLUIDIZED BED BOILER
Abstract:
The invention relates to a method for operating a fluidized bed boiler, comprising carrying out the combustion process with a fluidized bed comprising ilmenite particles, wherein the average residence time of the ilmenite particles in the boiler is at least 75 hours. The invention further relates to ilmenite particles obtainable by a corresponding method and the use of said ilmenite particles as oxygen-carrying material.