Catalytic Heating Tubes in Reboilers for CO2 Capture Regeneration
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Solution Overview
Problem
Existing carbon capture and storage systems are inefficient in steam generation, leading to uncontrolled emissions of carbon dioxide and requiring separate, inefficient steam generators.
Innovation Solution
A reboiler system with integrated combustion chambers and heating tubes using catalytic or non-catalytic combustion processes to generate heat for sorbent regeneration, maintaining consistent temperature and reducing emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If separate steam generators are used for reboiler systems, then steam generation capacity is sufficient, but system complexity increases and carbon dioxide emissions are not controlled
Solution Approach 1:
The patent combines the steam generation function and sorbent regeneration function into a single reboiler system. The combustion chamber integrates heat generation directly within the reboiler, eliminating the need for separate steam generators while providing both steam for process needs and heat for sorbent regeneration, thus reducing system complexity and carbon dioxide emissions.
Solution Approach 2:
The reboiler system is designed to perform multiple functions simultaneously: generating steam for process requirements and regenerating sorbent for carbon dioxide capture. This multi-functional design eliminates the need for separate dedicated steam generators, reducing overall system complexity while maintaining sufficient steam generation capacity.
2Temperature
If catalytic combustion is used in heating tubes, then temperature consistency is improved, but device complexity increases
Solution Approach 1:
The patent applies catalytic material selectively within the heating tubes to create localized zones of enhanced heat generation. This local application of catalyst allows for consistent temperature distribution in critical areas without requiring the entire combustion system to be complex, achieving temperature consistency while limiting overall device complexity.
3Object-generated harmful factors
If integrated combustion chambers are added to reboiler, then carbon dioxide emissions are reduced, but manufacturing complexity increases
Solution Approach 1:
The combustion chamber is integrated directly into the reboiler structure, combining heat generation and sorbent regeneration in one unit. This integration reduces carbon dioxide emissions by eliminating separate steam generation systems while the modular design approach keeps manufacturing complexity manageable through standardized components and assembly procedures.
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
Enhances the efficiency of carbon dioxide capture by integrating heat generation directly within the reboiler, reducing emissions and improving the overall performance of gas capture systems.
Implementation Method 1
A reboiler system with integrated combustion chambers and heating tubes using catalytic or non-catalytic combustion processes to generate heat
Implementation Method 2
heating tubes using catalytic or non-catalytic combustion processes to generate heat for sorbent regeneration, maintaining consistent temperature
Implementation Method 3
A post-combustion carbon dioxide capture, PCCC, system removes carbon dioxide from a flue gas generated by carbon dioxide combustion
Data Source
AI summary
A heating tube for supporting the combustion of a fuel and an oxidant includes a tubular wall for containing a gas flow through the heating tube and a catalyst, contained by the tubular wall, for catalysing a combustion reaction of a gaseous fuel and a gaseous oxidant.