Thermal-Catalytic Pyrolysis Reactor for Stable Waste-Derived Oil
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Solution Overview
Problem
Existing methods for producing liquid fuels from renewable resources face challenges in achieving fuel quality comparable to fossil fuels, particularly in terms of miscibility, storage stability, and thermal-oxidative stability, and require high hydrogen consumption and short catalyst life.
Innovation Solution
A device for thermal-catalytic pyrolysis of organic waste materials using a reactor with a radiation source inside and a heating element outside, controlled by sensors, produces pyrolysis oil with low molecular mass and high hydrocarbon content by draining oxygen through de-oxidizing reactions and catalyst use, under atmospheric pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pyrolysis is used to produce liquid fuels from renewable resources, then fuel production from renewable resources is achieved, but the fuel quality (miscibility, storage stability, thermal-oxidative stability) is worse compared to fossil fuels
Solution Approach 1:
The invention changes the chemical composition parameters of the pyrolysis oil by controlling the pyrolysis process to achieve specific molecular mass ranges and hydrocarbon content. By adjusting temperature, residence time, and catalyst composition, the process optimizes the fuel's miscibility, storage stability, and thermal-oxidative stability to meet quality requirements comparable to fossil fuels.
Solution Approach 2:
The invention uses catalysts as intermediaries to mediate the pyrolysis reaction. The catalyst facilitates the decomposition of organic waste materials into high-quality pyrolysis oil by controlling the reaction pathway, improving fuel quality without requiring additional hydrogenation steps.
2Reliability
If hydrogenation of vegetable oils is used to produce HVO fuel, then usable properties for compression ignition engines are very good, but hydrogen consumption is high and catalyst service life is short
Solution Approach 1:
The invention extracts oxygen from organic waste materials directly through pyrolysis and de-oxidizing reactions, eliminating the need for subsequent hydrogenation processes. This removes the requirement for large amounts of hydrogen and extends catalyst service life by avoiding the harsh conditions and high hydrogen consumption associated with hydrogenation.
Solution Approach 2:
The invention replaces expensive and short-lived hydrogenation catalysts with more stable catalysts suitable for pyrolysis that can operate under milder conditions. The catalysts used in this pyrolysis process have longer service lives and lower consumption rates compared to traditional hydrogenation catalysts.
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 device effectively produces high-quality pyrolysis oil suitable for refining into motor fuels, reducing oxygen content and maintaining hydrocarbon chains, with improved stability and reduced catalyst consumption.
Implementation Method 1
a radiation source 5a for decomposition of the liquid organic waste materials, wherein the heating element 5 is located on the outside of the reactor 4
Implementation Method 2
a heating element 5 for heating and a radiation source 5a for decomposition of the liquid organic waste materials
Implementation Method 3
Device for thermal-catalytic pyrolysis of organic waste materials
Implementation Method 4
thermal-catalytic decomposition to form substances with lower boiling point
Implementation Method 5
draining oxygen through de-oxidizing reactions
Data Source
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AI summary
Device for Thermal-Catalytic Decomposition - Pyrolysis of Waste Organic Materials The specification relates to the device for thermal-catalytic decomposition - pyrolysis of waste organic materials, comprising: the reservoir, linked by means of the supply line with the reactor, where in the line is arranged the valve, wherein the reactor contains the heating element and/or the radiation source situated approximately up to the maximum level corresponding to 1/3 of the height from the bottom of the reactor; and the temperature sensor placed up to the maximum level corresponding to 1/3 of the height from the bottom of the reactor, wherein the output line protrudes from the lid of the reactor with the linked cooler, wherein the end of the output line is connected to the orifice on the receiver to contain liquefied products via the branch to exhaust product gases.