Izvorni znanstveni članak
Effectiveness of Hydrogen Peroxide in H2S Removal by a Packed High Specific Surface Area Bed Scrubber
Gholamreza Moussavi
; 1. Department of Environmental Health, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
Kazem Naddafi
; 2. Department of Environmental Health, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Alireza Medaghinia
; 2. Department of Environmental Health, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Madjid Mohseni
; 3. Department of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada
Sažetak
Removal of H2S from waste air streams was investigated in a chemical scrubber packed with new low-cost and high specific surface area media and in the presence of H2O2 in scrubbing liquid. The experimental conditions included superficial gas velocities of ν = 500 and ν = 840 m h-1, inlet H2S volume fraction in the range of φ = 50 to 250.10-6, scrubbing liquid flow rate ranging from QL = 1 to 10 L min-1 and liquid phase pH of 7 to 12. The results showed H2S removal efficiencies of η = 97.5 % to more than η = 99 % at liquid flow rate of QL = 5 L min-1 and pH of 10 to 11. Overall, it was determined that the media tested and H2O2 can be used in scrubbers for efficient H2S removal without the possibility of forming any toxic by-products.
Ključne riječi
Hydrogen sulfide; treatment methods; chemical scrubber; hydrogen peroxide
Hrčak ID:
21393
URI
Datum izdavanja:
28.3.2008.
Posjeta: 2.737 *