Gas-phase removal of H{sub 2}S and NH{sub 3} with dielectric barrier discharges
- National Central Univ., Chungli (Taiwan, Province of China). Graduate Inst. of Environmental Engineering
- Taiwan Environmental Protection Administration, Taipei (Taiwan, Province of China)
Hydrogen sulfide and ammonia are two inorganic compounds that may cause severe odor problems. In this study, the effectiveness of applying dielectric barrier discharges (DBDs) to destroy and remove these two odor-causing compounds from gas streams via the generation of gas-phase radicals and high-energy electrons is experimentally evaluated with a bench-scale apparatus. Experimental results indicate that the removal efficiencies of both H{sub 2}S and NH{sub 3} with DBD plasmas depend on the gas composition, gas residence time, and applied voltage. Electronegative gases, such as O{sub 2} and H{sub 2}O{sub (g)}, tend to increase the electron attachment and therefore decrease removal efficiencies. Simultaneous removal of H{sub 2}S and NH{sub 3} from gas streams is accomplished with DBD technology. Results of this study indicate DBD is an effective technology for controlling inorganic odor-causing compounds.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 201152
- Journal Information:
- Journal of Environmental Engineering, Vol. 122, Issue 1; Other Information: PBD: Jan 1996
- Country of Publication:
- United States
- Language:
- English
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