CO₂ capture technology based on gas hydrate method: a review

Area of Science:

• Environmental Science
• Chemical Engineering
• Geoscience

Background:

• Global warming is a critical issue driven by rising carbon dioxide (CO2) emissions.
• Traditional carbon capture technologies face challenges including high energy use, cost, and environmental impact.

Purpose of the Study:

• To review hydrate-based CO2 separation as a superior alternative to conventional methods.
• To explore the theory, enhancement techniques, and applications of hydrate-based CO2 capture.

Main Methods:

• Review of existing literature on hydrate-based CO2 separation.
• Analysis of thermodynamic and kinetic promoters for hydrate formation.
• Examination of mechanical reinforcement techniques.
• Survey of practical applications in various fields.

Main Results:

• Hydrate-based CO2 separation demonstrates advantages in process simplicity, low energy consumption, and environmental friendliness.
• Thermodynamic promoters, kinetic promoters, and mechanical reinforcement significantly enhance hydrate formation and efficiency.
• The technology shows potential for diverse practical applications.

Conclusions:

• Hydrate-based CO2 separation is a viable and advantageous technology for mitigating global warming.
• Further research and development in enhancement techniques can optimize its performance and expand its applications.
• This method offers a sustainable and efficient strategy for carbon capture.