Chemoautotrophic Bacteria CO2 Capture Reactors
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Solution Overview
Problem
Current methods for carbon dioxide capture and conversion from fossil fuel emissions, such as geological sequestration, are costly and have unknown long-term sustainability and environmental impacts, while biological methods like microalgae reactors are limited by sunlight and land requirements.
Innovation Solution
A biological carbon capture and conversion system using chemoautotrophic bacteria in reactors to capture CO2 from emissions, converting it into biomass that can be reused as fertilizer, feedstock, or biofuel, integrated into existing fuel combustion sources like power plants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If geological sequestration is used to capture and store CO2, then carbon emissions are reduced, but the cost is prohibitive and long-term sustainability is unknown
Solution Approach 1:
The system uses chemoautotrophic bacteria that naturally consume CO2 as their carbon source and generate their own energy through chemosynthesis, eliminating the need for external energy inputs or complex infrastructure. The bacteria perform the carbon capture function autonomously, converting CO2 into biomass that can be harvested as valuable products.
Solution Approach 2:
The invention converts CO2, a harmful greenhouse gas, into valuable biomass products such as single-cell protein for animal feed, biofertilizers, and bioenergy feedstocks. This transforms the waste product into economic assets, creating revenue streams that offset operational costs.
2Object-affected harmful factors
If microalgae reactors are used for biological CO2 capture, then carbon conversion occurs, but the method is limited by sunlight and requires large land areas
Solution Approach 1:
The system replaces photosynthesis (which requires sunlight and large surface areas) with chemosynthesis, where chemoautotrophic bacteria convert CO2 into biomass using chemical energy from inorganic compounds. This substitution eliminates the need for sunlight and dramatically reduces the land area required for CO2 capture operations.
Solution Approach 2:
The invention changes the fundamental energy source parameter from solar energy (photosynthesis) to chemical energy (chemosynthesis). This parameter change enables CO2 capture to occur in controlled reactor environments without sunlight dependency, allowing for higher biomass densities and reduced land requirements.
3Productivity
If microalgae reactors are used for biological CO2 capture, then carbon conversion occurs, but the method requires extensive land requirements
Solution Approach 1:
The system concentrates CO2 capture activity in localized bioreactor systems where chemoautotrophic bacteria are cultivated in controlled environments. This allows for high-density biomass production in small footprints, with the bacteria consuming CO2 at high rates per unit volume, thereby achieving high productivity without extensive land areas.
4Object-affected harmful factors
If chemoautotrophic bacteria are used to convert CO2 to biomass, then cost-effective carbon reduction is achieved, but the system requires integration with existing combustion sources
Solution Approach 1:
The chemoautotrophic bacteria system is designed to work with multiple types of CO2 emission sources including power plants, industrial facilities, and natural gas processing plants. The bacteria can utilize CO2 from various combustion processes, making the solution universally applicable across different industries and reducing the need for source-specific customization.
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
This system provides a cost-effective, rapid, and environmentally responsible method for reducing carbon emissions, improving energy security, and creating new job opportunities, while avoiding the limitations of sunlight dependence and land use associated with traditional biological methods.
Implementation Method 1
chemoautotrophic bacteria in reactors to capture CO2 from emissions, converting it into biomass
Data Source
AI summary
Methods and systems to achieve clean fuel processing systems in which carbon dioxide emissions (1) from sources (2) may be processed in at least one processing reactor (4) containing a plurality of chemoautotrophic bacteria (5) which can convert the carbon dioxide emissions into biomass (6) which may then be used for various products (21) such as biofuels, fertilizer, feedstock, or the like. Sulfate reducing bacteria (13) may be used to supply sulfur containing compounds to the chemoautotrophic bacteria (5).