Investigation of heat management for CLC of syngas in packed bed reactors

TLDR: Different configurations for an adequate heat management in dynamically operated packed bed reactors for chemical looping combustion (CLC) have been investigated and compared using syngas from a coal gasification unit as fuel as mentioned in this paper.

About: This article is published in Chemical Engineering Journal.The article was published on 2013-06-01 and is currently open access. It has received 61 citations till now. The article focuses on the topics: Chemical looping combustion & Fluidized bed.

Figures

Fig. 5. Schematic representation of the evolution of the (dimensionless) axial profile of (a) the gaseous reactant concentration and (b) the temperature.

Fig. 6. sr/h for the oxidation reaction as function of o

Fig. 10. (a) Reactor outlet conditions (temperature, mass flow rate and H2 + CO composition) for the case A.2 as function of time cycle; (b) axial solid temperature profiles at the end of the reduction cycle (red line), at the end of the oxidation cycle (blue line) and at the end of the heat removal cycle (black line). (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)

Fig. 14. Reactor outlet gas condition during the entire cycle for case B.1 (a) and B.2 (b).

Table 2 Governing equations in the reactor model.

Table 3 Constitutive equations for the description of heat and mass dispersions.