Research and Design of the Process for the Absorption of CO2 from Flue Gases

A mathematical model is considered for choosing the optimal operating mode of an industrial absorption apparatus for CO2 emission from flue gases. The analysis of CO2 absorption from flue gases in dynamics and the hydraulic resistance of the nozzle of an industrial absorber are carried out. It was found that the temperature and pressure of the absorption process significantly affect the emission of CO2 from flue gases. It was determined that with an increase in the gas flow rate, the concentration of CO2 at the outlet of the absorber increases. As a result of the studies, the optimal mode of the process of CO2 adsorption from flue gases was obtained, while maintaining the optimal technological parameters of the absorption process and observing environmental standards.

Influence of an Electric Field on the Emission and Absorption of Atoms and Ions in a Flame

Experiments were carried out to explore the effect of an electric field upon atomic species introduced into a flame. The study involves components from a conventional flame atomic absorption apparatus with 10 × 10-cm parallel plate electrodes as the cathode and the 5-cm slot burner head as the anode. A marked decrease in the emission and absorption of many atomic species was observed, and quantification of the effect was carried out. The effect has been interpreted as a disturbance of the equilibrium, Me ≈ Me+ + e−. Relative decreases in absorption and emission were found to be functions of applied voltage and analyte concentration at low voltages, and constant for high voltages (≍ −2000 V). Temporal behavior of the effect has been investigated by observation of the speed of restoration of the emission signal from Na (589.16 nm), Sr (460.86 nm), and Sr+ (407.89 nm) after rapid elimination of the electric field. The effects were also studied as a function of viewing position in the flame for optimization of the position and comparison of the temporal behavior with the speed of the flame gases.