Adsorptive desulfurization and denitrogenation using metal-organic frameworks

Area of Science:

• Environmental Chemistry
• Materials Science
• Adsorption Technology

Background:

• Rising energy demands drive increased use of fossil fuels and novel energy sources.
• Industrial processes and energy sources release environmental pollutants like sulfur- and nitrogen-containing compounds (SCCs and NCCs).
• SCCs and NCCs pose significant environmental threats, necessitating effective removal strategies.

Purpose of the Study:

• To review advancements in adsorptive desulfurization and denitrogenation (ADS and ADN) using metal-organic frameworks (MOFs).
• To discuss MOF modification techniques for enhanced pollutant adsorption.
• To elucidate the underlying chemical mechanisms of MOF-based ADS and ADN for future research.

Main Methods:

• Comprehensive review of existing literature on ADS and ADN employing MOFs.
• Analysis of MOF modification procedures for improved adsorption efficiency.
• Detailed discussion of adsorption mechanisms in both liquid and gas phases.

Main Results:

• MOFs have emerged as highly promising adsorbents for SCCs and NCCs removal.
• Various MOF modification strategies significantly enhance adsorption capacity and selectivity.
• Understanding adsorption mechanisms is crucial for optimizing MOF performance.

Conclusions:

• MOF-based ADS and ADN represent a leading method for environmental pollutant removal.
• Continued research into MOF modification and adsorption mechanisms will drive further advancements.
• This review provides a foundation for the scientific community to advance MOF applications in environmental remediation.