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dc.titleField performance of activated carbon adsorption for sewage air
dc.contributor.authorKoe, Lawrence C.C.
dc.contributor.authorTan, N.C.
dc.identifier.citationKoe, Lawrence C.C.,Tan, N.C. (1990-07). Field performance of activated carbon adsorption for sewage air. Journal of Environmental Engineering 116 (4) : 721-. ScholarBank@NUS Repository.
dc.description.abstractSewage air at the inlet works of a municipal wastewater treatment plant, was simultaneously pumped through two pilot columns, one filled with an alkali-impregnated carbon material, while the other was filled with a nonalkali-impregnated grade. Odor and H2S concentrations at the influent and effluent ports of the carbon columns were continuously monitored for about eight months. The odor and H2S concentrations of the influent sewage air varied significantly throughout the study period, averaging 120 SOU/m3 and 5.3 ppm, respectively. Breakthrough of odor at the effluent ports occurred earlier than that for H2S, and the initial breakthrough odor was exerted mainly by non-H2S compounds. Although the alkali-impregnated carbon was capable of removing a much larger quantity of H2S than the nonalkali-impregnated grade, its effectiveness in removing other odorous but non-H2S gaseous compounds was less significant. The cost of using nonalkali-impregnated activated carbon for odor removal was comparable to that of the alkali-impregnated carbon. This cost comparison, however, ignores the effect of regeneration of the carbons.
dc.contributor.departmentCIVIL ENGINEERING
dc.description.sourcetitleJournal of Environmental Engineering
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