Thermochemical Engine Using Nitrite-Ammonium Gas Generation
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Solution Overview
Problem
Conventional engines rely on combustion, which is inefficient and produces harmful byproducts, consuming non-renewable resources and emitting greenhouse gases.
Innovation Solution
A thermochemical engine utilizing a reaction chamber with nitrite and ammonium sources to produce gas under pressure, driving a gas-driven energy transducer such as a piston or turbine, generating kinetic energy without combustion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional combustion engines are used to generate kinetic energy, then power output is achieved, but efficiency is low and harmful emissions are produced
Solution Approach 1:
The invention changes the fundamental chemical reaction parameters from combustion (high temperature, oxygen-based) to a controlled exothermic reaction between nitrite and ammonium ions. This parameter change occurs in the reaction chamber where aqueous solutions of these ions react at lower temperatures to produce nitrogen gas and heat, eliminating combustion-related emissions while maintaining energy release for piston-driven power generation.
Solution Approach 2:
The invention converts the traditionally harmful combustion process into a beneficial controlled chemical reaction. By using the exothermic reaction between nitrite and ammonium ions, the system generates useful heat and nitrogen gas without the harmful emissions of combustion. The nitrogen gas produced serves as a clean propellant to drive the piston, transforming what would be waste products into useful work.
2Power
If combustion is used to produce power, then kinetic energy is generated, but non-renewable resources are consumed
Solution Approach 1:
The system uses aqueous solutions of nitrite and ammonium ions that can be derived from renewable or recyclable sources. The reaction produces nitrogen gas which self-regulates the power generation process, and the byproducts can be managed in an environmentally friendly manner. This reduces dependence on non-renewable fossil fuels while maintaining continuous power generation capability.
3Object-generated harmful factors
If a thermochemical reaction is used instead of combustion, then harmful emissions are reduced, but reaction rate control becomes critical
Solution Approach 1:
The system incorporates feedback control mechanisms to monitor and regulate the reaction between nitrite and ammonium ions. By controlling factors such as solution concentration, flow rates, and reaction chamber conditions, the system maintains optimal reaction rates while preventing runaway reactions. This feedback control ensures consistent nitrogen gas production for piston operation while keeping the system manageable and safe.
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 thermochemical engine provides a more efficient and environmentally friendly method of producing kinetic energy by harnessing the energy from a controlled chemical reaction, reducing harmful emissions and resource consumption.
Implementation Method 1
the nitrite ion and the ammonium ion undergo a chemical reaction to produce a gas and heat which drive the gas-driven energy transducer
Implementation Method 2
produce a gas and heat which drive the gas-driven energy transducer
Implementation Method 3
a gas produced in the reaction chamber moves the gas-driven energy transducer in a process of exiting the reaction chamber via the gas outlet
Data Source
AI summary
A thermochemical engine that includes a reaction chamber having a nitrite source inlet, an ammonium source inlet, and a gas outlet, and a gas-driven energy transducer coupled to the reaction chamber such that a gas produced in the reaction chamber moves the gas-driven energy transducer in a process of exiting the reaction chamber via the gas outlet. The thermochemical engine is configured to produce the gas under pressure by reacting in the reaction chamber a nitrite source comprising a nitrite ion and an ammonium source comprising an ammonium ion in the presence of water at a reaction temperature of 50 to 150° C.