Carbon Purification via Mechanical Agitation
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Solution Overview
Problem
Current methods lack efficient solutions for separating high-temperature mixtures of solids, gases, and liquids while retaining the liquid phase and removing the gas and solid phases, particularly in pyrolysis processes where carbon is produced with contaminants adhered to its surface.
Innovation Solution
The use of mechanical agitation in a reactor system that includes a pyrolysis reactor and a mechanical agitator to remove contaminants from the surface of carbon products. This process involves passing the carbon through a mechanical agitator, agitating to dislodge contaminants, and then separating the purified carbon from the removed contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional separation methods are used for high-temperature multiphase mixtures, then phase separation can be achieved, but the liquid phase cannot be retained while effectively removing gas and solid phases
Solution Approach 1:
The patent changes the physical state parameters of the contaminant by controlling temperature to maintain it below the melting point, keeping the contaminant solid while the metal matrix remains liquid. This parameter control enables selective solid-liquid separation while retaining the liquid phase in the reactor
Solution Approach 2:
The invention utilizes phase transition principles by maintaining the contaminant in a solid state while the metal matrix is liquid, enabling separation based on phase differences. The solid contaminant can be mechanically removed while the liquid metal remains in the reactor
2Manufacturing precision
If mechanical agitation is applied to remove surface contaminants, then contaminant removal efficiency improves, but the complexity of the reactor system increases
Solution Approach 1:
The mechanical agitator serves dual functions: it performs the primary function of mixing the molten metal and simultaneously provides the secondary function of removing solid contaminant particles through mechanical agitation and collision. This self-service approach eliminates the need for separate removal devices
Solution Approach 2:
The mechanical agitator is designed to perform multiple functions within a single device: mixing the molten metal matrix, agitating to dislodge surface contaminants, and facilitating separation of solid contaminants from the liquid phase. This multi-functionality reduces overall system complexity
3Productivity
If high-temperature processing is used to produce carbon via pyrolysis, then carbon formation rate increases, but contaminant adhesion to carbon surface worsens
Solution Approach 1:
The system performs preliminary action by continuously agitating and removing solid contaminant particles from the molten metal matrix during the pyrolysis process, preventing contaminant adhesion to carbon surfaces before it occurs. This proactive approach maintains carbon purity throughout production
Solution Approach 2:
The invention converts the harmful effect of high-temperature processing that causes contaminant adhesion into a beneficial separation mechanism. By maintaining the contaminant in solid form while the metal is liquid, the high temperature actually facilitates easier separation of contaminants from the carbon product
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 method effectively removes contaminants from carbon surfaces, producing a purified carbon product while retaining the liquid phase in the reactor system, thus addressing the challenges of high-temperature multi-phase separations.
Implementation Method 1
agitating the solid comprising the contaminant adhered to the surface of the solid in the mechanical agitator; removing at least a portion of the contaminant from the surface of the solid based on the agitating
Implementation Method 2
contacting a hydrocarbon gas with a molten metal in a pyrolysis reactor; forming the carbon in response to the contacting
Data Source
AI summary
A process for purifying a solid that has a contaminant adhered to a surface of the solid includes passing the solid through a mechanical agitator, agitating the solid comprising the contaminant adhered to the surface of the solid in the mechanical agitator, removing at least a portion of the contaminant from the surface of the solid based on the agitating to form a purified solid, and removing the purified solid from the mechanical agitator.