Recent Advances in SO2 Removal by Humic Substances: A Comprehensive Review of Mechanisms, Applications, and Future Directions
Keywords:
greenhouse gases, humic acid, humic substances, absorption, SO2 removal, desulfurizationAbstract
This comprehensive review article summarizes recent advances in the application of humic substances (HS) for SO2 removal. The article provides an overview of the mechanisms of HS-based SO2 removal, including physical adsorption, chemical reaction, and biological conversion. The applications of HS for SO2 removal in various industries, such as power plants, steel mills, and chemical factories, are also discussed. The article further explores the challenges and future directions of HS-based SO2 removal, including improving the efficiency and selectivity of HS-based SO2 removal, developing new HS-based materials, and exploring the potential of HS-based SO2 removal for carbon capture and utilization. Overall, this review highlights the potential of HS-based SO2 removal as an environmentally friendly and sustainable approach for reducing SO2 emissions and mitigating the negative impacts of air pollution.