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1. (WO2018162692) METHOD FOR PARTIAL REDUCTION OF SO2

Pub. No.:    WO/2018/162692    International Application No.:    PCT/EP2018/055852
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Fri Mar 09 00:59:59 CET 2018
IPC: F23D 14/22
C01B 17/04
Applicants: LINDE AKTIENGESELLSCHAFT
Inventors: SCHREINER, Bernhard
TAUTZ, Hanno
TIAN, Xiaoping
Title: METHOD FOR PARTIAL REDUCTION OF SO2
Abstract:
The present invention relates to a method for partial reduction of SO2, wherein a SO2 stream, an oxidant and a gaseous fuel are fed to a burner and reacted in a flame reaction. The burner comprises at least one supply opening for the SO2 stream, at least one supply opening for the oxidant and at least one supply opening for the gaseous fuel, and a burner head (1) with first injection sets (7, 8) and second injection sets (9). First injection sets (7, 8) are arranged in a first section (4) of the burner head (1), and second injection sets (9) are arranged in a second section (5) of the burner head (1). The stoichiometric ratio of SO2, fuel and oxidant supplied through the first injection sets (7, 8) is different from the stoichiometric ratio of SO2, fuel and oxidant supplied through the second injection sets (9).