Conference Presentation | Conference presentations and posters | Potentiale, Bioenergiesysteme, Logistik

Customizing biomass as reducing agent in blast furnace steelmaking – Reduction potential and fluidization

Deutsch R, Strasser C, Martini S, Kienzl N

Published 2020

Citation: Deutsch R, Strasser C, Martini S, Kienzl N. Customizing biomass as reducing agent in blast furnace steelmaking – Reduction potential and fluidization. 28th European Biomass Conference and Exhibition (oral presentation) 2020.

Abstract

The reduction of greenhouse gas emissions is an important issue for iron and steel industry. One possibility is to use biomass-based reducing agents, also called bioreducers, to replace at least partly the fossil reducer agents. In a first step woody biomass was treated in a lab-scale muffle furnace and afterwards ground with a ball mill. The powder characteristics were investigated in respect to the flow behavior. For a certain treatment temperature the particle size distribution and as well the flow behavior shows similarities to lignite. The next stage was to identify relations between powder characteristics and its fluidization behavior. A fluidization device was assembled and used to determine the minimum fluidization gas velocity for various bioreducer powders.


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