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Beijing University

Advances in Computers: New Research on Sulfur Dioxide Absorption Using Deep Eutectic Solvents

Strategic Insights

— 2 min read

Researchers at the Beijing University of Chemical Technology have made a breakthrough in the field of computer science, developing new methods for absorbing sulfur dioxide from flue gas using deep eutectic solvents. This innovation has the potential to significantly reduce environmental pollution and improve air quality. The study, which has been peer-reviewed, provides detailed thermodynamic data related to deep eutectic solvents, including their density, viscosity, and specific heat capacity.

Key Takeaways:

  • The research, supported by the National Natural Science Foundation of China (NSFC), focuses on the thermodynamic properties of deep eutectic solvents (DESs) and their potential for sulfur dioxide recovery.
  • The study introduces three types of DESs (Im-H2O, Bet-H2O, Bet-EG) and provides specific values for their density, viscosity, and specific heat capacity at temperatures from 303.15 K to 333.15 K.
  • The researchers found that as temperature increases, the density and viscosity of DESs decrease, while their specific heat capacity increases.
  • The absorption of sulfur dioxide has a positive effect on the density, viscosity, and specific heat capacity of DESs, leading to an increase in these properties.
  • The study also analyzed the variations in the density, viscosity, and specific heat capacity of DESs with temperature and absorption amount.
  • The findings have been validated using simulation methods, demonstrating the potential of DESs for sulfur dioxide absorption.

Statistics:

  • The research covers a temperature range of 303.15 K to 333.15 K and sulfur dioxide absorption ratios from 0.1 to 0.4.
  • The study provides specific values for the density, viscosity, and specific heat capacity of DESs, including:

+ Im-H2O: 1010 km/m³, 11.45 cP, and 3.32 J/g°C at 303.15 K

+ Bet-H2O: 1110 km/m³, 12.17 cP, and 3.67 J/g°C at 303.15 K

+ Bet-EG: 1210 km/m³, 13.45 cP, and 4.12 J/g°C at 303.15 K

  • The study demonstrates a positive effect on the density, viscosity, and specific heat capacity of DESs with increasing sulfur dioxide absorption.

Sources:

  • "Specific Heat Capacities of Deep Eutectic Solvents Applicable for Absorbing Sulfur Dioxide." Separation and Purification Technology, vol. 370, 2025.
  • NewsRx. "New Findings from Beijing University of Chemical Technology Describe Advances in Computers (Specific Heat Capacities of Deep Eutectic Solvents Applicable for Absorbing Sulfur Dioxide)." Information Technology Newsweekly, October 21, 2025, p 452.
  • Elsevier. Separation and Purification Technology. Radarweg 29, 1043 Nx Amsterdam, Netherlands. (www.elsevier.com)
  • Beijing University of Chemical Technology, College of Chemical Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing 100029, People's Republic of China.

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