Chemical loop reaction system
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Solution Overview
Problem
The existing chemical loop reaction systems produce carbon dioxide that is not effectively utilized, leading to increased operating costs and environmental release, necessitating improved operational efficiency.
Innovation Solution
A chemical loop reaction system that recirculates and utilizes carbon dioxide produced in the reduction column by supplying it to either the reduction or oxidation column, reducing the need for external gas supply and enhancing operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If carbon dioxide is produced in the reduction column, then the reduction reaction proceeds, but the carbon dioxide must be processed to avoid atmospheric release which increases operating costs
Solution Approach 1:
The system uses the carbon dioxide produced in the reduction column to fluidize particles in both the reduction and oxidation columns, making the system self-sufficient by utilizing its own byproduct for essential fluidization functions that would otherwise require external gas supplies
Solution Approach 2:
Instead of discarding the carbon dioxide as waste that requires costly processing, the system recovers and reuses it for fluidization in both columns, transforming a waste stream into a valuable resource that improves operational efficiency
2Productivity
If external gas is supplied to fluidize metal particles and metal oxide particles, then the reaction proceeds efficiently, but the need for external gas supply increases operating costs
Solution Approach 1:
The system generates its own fluidization gas by producing carbon dioxide in the reduction column, which is then circulated to fluidize particles in both the reduction and oxidation columns, eliminating dependence on external gas supplies
Solution Approach 2:
The carbon dioxide produced in the reduction column is merged with the fluidization needs of both the reduction and oxidation columns, serving dual purposes and reducing the total quantity of gas required for system operation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively utilizes produced carbon dioxide, reducing atmospheric release and improving operational efficiency by minimizing external gas requirements.
Implementation Method 1
supplying the carbon dioxide produced in the reduction column to at least one of the reduction column and the oxidation column to fluidize the metal particles and the metal oxide particles
Implementation Method 2
an oxidation column to oxidize metal particles into metal oxide particles
Implementation Method 3
a reduction column to react the metal oxide particles with a reducing agent to reduce the metal oxide particles into the metal particles while producing carbon dioxide
Data Source
AI summary
To improve operational efficiency by effectively utilizing produced carbon dioxide in a chemical loop reaction system, a chemical loop reaction system 100 includes an oxidation column 10 to oxidize metal particles M into metal oxide particles MO, a reduction column 20 to react the metal oxide particles MO with a reducing agent R to reduce the metal oxide particle MO into the metal particles M while producing carbon dioxide, and a circulator 60 that circulates the metal particles M and the metal oxide particles MO between the reduction column 20 and the oxidation column 10 and includes a carbon dioxide supply line 70 that supplies the carbon dioxide produced in the reduction column 20 to at least one of the reduction column 20 and the oxidation column 10.