Fuel Additive Composition for NOx Reduction
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Solution Overview
Problem
Fuel combustion in engines leads to high emissions of NOx, carbon monoxide, and sulfur dioxide, contributing to environmental concerns and inefficiencies, which existing technologies have not adequately addressed.
Innovation Solution
A method involving the use of a fuel additive, specifically compounds according to Formula I (R1-R2), combined with liquid fuels like aliphatic hydrocarbons, gasoline, or biodiesel, to reduce NOx emissions by up to 98% in combustion engine exhaust gases, along with reduced carbon monoxide and sulfur dioxide levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If fuel additives are used to reduce NOx emissions, then environmental impact is reduced, but fuel composition complexity increases
Solution Approach 1:
The patent applies parameter changes by systematically varying the chemical structure parameters of the additive molecules (Formula I with different R1, R2, R3 groups) to optimize NOx reduction efficiency. By changing molecular weight, functional groups, and carbon chain lengths, the invention achieves effective emission reduction while managing fuel composition complexity through structured molecular design rather than random additives
Solution Approach 2:
The invention employs composite materials by combining the liquid fuel with specific organic compound additives (Formula I) to create an enriched combustible fuel composition. This composite approach integrates the base fuel with functional additives that work synergistically to reduce NOx emissions while maintaining combustion performance, resolving the contradiction between emission reduction and composition simplicity
2Object-affected harmful factors
If fuel additives are used to reduce emissions, then environmental performance improves, but fuel cost increases
Solution Approach 1:
The patent utilizes parameter changes by optimizing the concentration of additives in the fuel composition and adjusting molecular parameters of the additive compounds to achieve effective emission reduction at lower cost. By finding optimal parameter ranges for additive concentration and molecular structure, the invention reduces the amount of expensive additive material needed while maintaining environmental performance
Solution Approach 2:
The invention applies discarding and recovering principles by focusing on preventing harmful emissions at the source through fuel composition modification, rather than requiring complex post-combustion treatment systems. This preventive approach discards the need for expensive downstream emission control infrastructure and recovers efficiency by improving combustion quality at the fuel stage
3Object-affected harmful factors
If combustion temperature is reduced to lower NOx formation, then emissions decrease, but energy efficiency deteriorates
Solution Approach 1:
The patent applies parameter changes by modifying the chemical composition parameters of the fuel rather than directly controlling combustion temperature. The additive compounds in Formula I change the combustion chemistry parameters to reduce NOx formation through alternative reaction pathways, maintaining energy efficiency by not requiring significant temperature reduction while achieving emission control through compositional modification
4Object-affected harmful factors
If existing emission reduction technologies are implemented, then some emissions are reduced, but they do not adequately address the growing environmental concerns
Solution Approach 1:
The patent applies parameter changes by systematically optimizing multiple parameters of the additive compounds (molecular weight, functional groups, carbon chain length, concentration) to achieve superior emission reduction compared to existing technologies. This multi-parameter optimization approach ensures reliable environmental effectiveness by finding the optimal combination of parameters that maximizes NOx, CO, and SO2 reduction across different combustion conditions
Solution Approach 2:
The invention employs composite materials by creating an enriched fuel composition that combines base fuel with specifically designed additive compounds. This composite structure provides reliable and consistent emission reduction performance by integrating multiple functional components that work together to address various emissions (NOx, CO, SO2) simultaneously, overcoming the limitations of single-component existing technologies
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 additive composition results in a significant reduction of NOx, carbon monoxide, and sulfur dioxide emissions, improving fuel efficiency, reducing engine temperature, and lowering opacity, thereby addressing environmental and operational inefficiencies in combustion engines.
Implementation Method 1
combusting the enriched combustible fuel composition would produce an exhaust gas that comprises from about 2% to about 98% of the NOx produced by combusting the liquid fuel alone
Data Source
AI summary
In some embodiments, the present disclosure relates to fuel additives and methods for reducing a NOx produced by combusting a liquid fuel, the method comprising combining the liquid fuel and an additive, forming an enriched combustible fuel composition, wherein the additive comprises at least one compound according to Formula I, wherein R1 is selected from the group consisting of HO, EtO, PrO, BuO, i-PrO, and t-BuO; R2 is selected from the group consisting of (C═O)R3, C1-18 alkyl, C1-6 alkyl alcohol, C2-18 monounsaturated alkyl, and C4-18 polyunsaturated alkyl; and R3 is selected from the group consisting of C1-18 alkyl, C1-6 alkyl alcohol, C2-18 monounsaturated alkyl, and C4-18 polyunsaturated alkyl, wherein each stereoisomer is selected from the group consisting of E, Z, R, and S, and wherein combusting the enriched combustible fuel would produce an exhaust gas comprising from about 2% to about 98% of the NOx produced by combusting the liquid fuel alone.