환경인자와 중금속이 Alcaligenes sp.의 생장과 인 제거에 대한 영향

• Published in: Hanguk hwangyeong nonghak hoeji Vol. 30; no. 2; pp. 216 - 222
• Main Authors: 유리비, Ri Bi Yoo, 김희정, Hee Jung Kim, 이석언, Seok Eon Lee, 이문순, Moon Soon Lee, 우선희, Sun Hee Woo, 최종순, Jong Soon Choi, 백기태, Ki Tae Baek, 정근욱, Keun Yook Chung
• Format: Journal Article
• Language: Korean
• Published: 한국환경농학회 30.06.2011
• Subjects: Alcaligenes sp; Environmental Factors; Heavy metals; Phosphorus Accumulating Microorganisms (PAOs); Phosphorus Removal Efficiency; Alcaligenes sp; Environmental Factors; Phosphorus Removal Efficiency; Phosphorus Accumulating Microorganisms (PAOs); Heavy metals
• ISSN: 1225-3537; 2233-4173

BACKGROUND: This study was performed to evaluate the effects of environmental factors and heavy metals on the growth and phosphorus removal capacity of Alcaligenes sp., which was well known as one of PAOs(Phosphorus Accumulating Microorganisms). METHODS AND RESULTS: The environmental factors used in this study were temperature, pH and carbon sources, and the heavy metals included Cu, Cd, Zn, As, and Ni. The growth and P removal efficiency of Alcaligenes sp. was maximal as temperature, pH, and carbon source were 25℃, 7, and glucose+acetate, respectively. Also, the IC50(median inhibitory Concentration) values of Alcaligenes sp. for the Cu, Cd, Zn, As, and Ni were 5.03, 0.08, 0.73, 282.20 and 4.74 mg/L, respectively. CONCLUSION(S): Based on the results obtained from this study, it appears that the growth and P removal efficiency of Alcaligenes sp. were affected by the environment factors and at the best optimum condition for its growth and P removal efficiency, as the concentrations of heavy metals were gradually increased, its growth was correspondingly decreased.