Abstract
Hydrogen was photoproduced from dissolved hydrogen sulphide in aqueous solutions of ethanolamines (monoethanolamine (MEA), diethanolamine (DEA) and triethanolamine (TEA)) containing vanadium sulphide suspensions. The UV-visible spectra of these photochemical mixtures, saturated with hydrogen sulphide, were examined. An iodine lamp (100 W) was used as the irradiation source. The rates of production of hydrogen were studied as a function of the irradiation time, at different vanadium sulphide concentrations for each ethanolamine at room temperature. MEA has a higher conversion value for H 2S and is more stable than the other two amines. Arrhenius activation energies were calculated for the temperature range 30–80 °C and a mechanism was suggested for this system.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
