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자료유형
학술저널
저자정보
고준일 (전남대학교) 정선용 (전남대학교)
저널정보
한국냄새환경학회 실내환경 및 냄새 학회지 실내환경 및 냄새 학회지 제14권 제4호
발행연도
2015.1
수록면
284 - 290 (7page)

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This study has implemented an experiment in which hydrogen sulfide was removed by establishing a two-stagepacked tower effector filled with nutritious medium and also filling a tower that was immobilized in ceramic mediaafter isolating and identifying the sulfur oxidizing bacteria from a sewage treatment plant. As a result, strainsisolated from the sewage treatment plant were found to be similar, including Bacillus fusiformis, Bacillus anthracissp., Paenibacillus sp., Serratia marcescens sp., Bacillus thuringiensis. The effector that immobilized isolated strainsin the ceramic media achieved an approximately 90% removal rate of hydrogen sulfide, while the sterilized ceramicmedia not immobilized with isolated strains showed a removal rate of about 65%. In addition, the removal rateof hydrogen sulfide in the primary media packing effector immobilized with sulfur oxidizing bacteria was about92%, while the secondary effector filled with medium had a hydrogen sulfide removal rate near 100%. In addition,90% efficiency of removal was shown in conditions of EBCT 60s in the experiment that investigated removalrate of hydrogen sulfide according to residence-time, while the efficiency was rapidly reduced up to 45% inconditions of EBCT 30s. On the other hand, when operating for an extended period time while increasing theconcentration of injected hydrogen sulfide, the amount of sulfate was increased from 2 mg/L to 12.7 mg/L, andpH was rapidly reduced to 2.7.

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