Temperature-Controlled Salt Separation for High-Purity Carbon Allotropes
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Solution Overview
Problem
Existing methods for capturing and storing carbon dioxide from the atmosphere produce materials with little commercial value and lack effective purification methods for carbon allotropes, leading to inefficiencies and additional carbon dioxide production.
Innovation Solution
A method involving temperature-controlled filtration processes to separate carbon allotropes and salts, including adding a solid mixture to a solution, performing temperature-adjusted filtrations to remove and precipitate salts, and recycling the solution for continuous operation, using systems with heat exchangers and filtration systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If known carbon capture processes are used to store CO2, then CO2 is captured and stored, but the materials produced have little commercial value and additional CO2 is generated
Solution Approach 1:
The patent converts the harmful byproduct CO2 into a valuable resource by using it as a carbon source to synthesize carbon allotropes (graphite, carbon nanotubes, graphene) through chemical vapor deposition. This transforms the waste stream into high-value commercial products while maintaining effective CO2 capture.
2Manufacturing precision
If purification methods are applied to carbon allotropes, then purity is improved, but additional CO2 is produced and carbon capture materials are consumed
Solution Approach 1:
The patent employs temperature-controlled filtration and centrifugation processes to separate carbon allotropes from salts based on their different physical properties. By adjusting temperature parameters during filtration, the system achieves high-purity carbon allotrope separation without consuming additional carbon capture materials or generating CO2.
3Manufacturing precision
If separation processes are implemented to purify carbon allotropes, then purity is improved, but the process becomes more complex and additional CO2 is produced
Solution Approach 1:
The patent divides the purification process into distinct sequential stages: filtration to remove salts, centrifugation to separate carbon allotropes, and temperature-controlled processing. Each stage targets specific impurities using simple, dedicated equipment, achieving high purity without requiring complex integrated systems.
4Productivity
If continuous carbon capture operation is desired, then productivity is improved, but purification methods must not produce additional CO2
Solution Approach 1:
The patent implements a continuous carbon capture system where CO2 is continuously converted to carbon allotropes, which are then continuously purified through filtration and centrifugation. The purified carbon allotropes are collected while the processing solution is recycled back to the reaction system, maintaining continuous operation without CO2 losses.
5Manufacturing precision
If carbon allotropes are produced with high purity, then commercial value is improved, but the separation process requires multiple steps
Solution Approach 1:
The patent exploits phase transitions and solubility differences to separate carbon allotropes from salts in a single integrated filtration step. By controlling the phase state and solubility of components during filtration, the system achieves high-purity separation without requiring multiple sequential processing steps.
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
Achieves high-purity carbon allotropes with commercial value by minimizing additional carbon dioxide production and enabling a continuous separation process.
Implementation Method 1
performing a first filtration on the solution at a first temperature to remove the carbon allotrope from the solution
Implementation Method 2
adjusting the temperature of the solution to a second temperature to precipitate a first portion of the salt
Data Source
AI summary
The present disclosure describes a method of separating a carbon allotrope from a salt and a separation system for the same. The method may include adding a solid comprising the carbon allotrope and the salt to a solution comprising the salt, performing a first filtration on the solution at a first temperature to remove the carbon allotrope from the solution, adjusting the temperature of the solution to a second temperature to precipitate a first portion of the salt, performing a second filtration on the solution at the second temperature to remove the first portion of the salt from the solution, adjusting the temperature of the solution to the first temperature to dissolve a second portion of the salt in the solution, and recycling the solution.