Fuel Emission Factor Determination System
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Solution Overview
Problem
Conventional emission factors used to calculate greenhouse gas emissions are generalized and do not accurately represent the composition of fuels used in specific activities, leading to errors in emission estimation.
Innovation Solution
The development of custom emission factors based on the actual composition of fuels used in greenhouse gas-producing activities, which involves determining the constituent components and properties of the fuels to generate precise emission factors for each greenhouse gas, such as carbon dioxide, nitrous oxide, and methane.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional generalized emission factors are used to calculate greenhouse gas emissions, then the calculation process is simple and fast, but the accuracy of emission estimation deteriorates due to not representing actual fuel composition
Solution Approach 1:
The patent segments the fuel composition into multiple constituent components (e.g., carbon, hydrogen, sulfur, nitrogen, oxygen, moisture, ash) and calculates emission factors for each component separately. This segmentation allows the system to account for variations in actual fuel composition while maintaining a structured calculation approach that balances accuracy with computational complexity.
Solution Approach 2:
The patent changes the parameters used in emission factor calculations from generalized standard values to specific measured parameters including actual fuel composition, lower heating value, and constituent component analysis. This parameter transformation enables accurate emission estimation tailored to specific fuel types and combustion conditions.
2Measurement precision
If custom emission factors based on actual fuel composition are generated, then emission determination accuracy improves, but the complexity of determining constituent components and properties increases
Solution Approach 1:
The patent performs preliminary analysis of fuel composition and properties before conducting emission calculations. By determining the lower heating value, constituent components, and other fuel characteristics in advance, the system prepares accurate emission factors that can be applied to emission calculations without repeating complex measurements during the emission assessment process.
Solution Approach 2:
The patent introduces an intermediary calculation layer that transforms complex fuel composition data into simplified emission factors. These intermediate emission factors serve as mediators between the complex measured parameters (fuel composition, heating value) and the final emission calculations, reducing the direct complexity of measuring and processing all fuel properties.
3Productivity
If generalized emission factors are used, then the calculation process is straightforward, but the ability to assess emission-reduction efforts deteriorates due to lack of precision
Solution Approach 1:
The patent applies local quality by generating emission factors specific to each fuel type, combustion device, and operational condition rather than using uniform generalized factors. This localized approach allows the system to maintain efficient reporting processes while improving the reliability of emission-reduction assessments through composition-specific calculation accuracy.
Data Source
AI summary
Methods, apparatuses, and computer program products for determining amounts of greenhouse gas emissions are provided. For example, a computer-implemented method may include determining an amount of each of a plurality of constituent components of a fuel being used, determining one or more properties of the fuel, generating one or more emission factors for the fuel, determining an amount of the fuel used, and using the one or more generated emission factors, determining an emitted amount of a corresponding one or more greenhouse gases. Each emission factor corresponds to a different greenhouse gas. Each emission factor is generated using at least one of the constituent components and at least one of the properties.