동두천과 반월공단에서 87가지의 균주를 분리하였다. 그 중 5가지 균주가 색도 제거율이 우수함을 보였으며, 동정을 통해 Shewanella putrefaciens, Aeromonas salmonicida(서로 다른 3종), Pseudomonas vesicularis로 각각 동정되었다. 동정된 5종의 미생물들은 성장에 최적인 pH와 온도는 각각 7.0과 30$^{\circ}C$이었으며, Gram negative, catalase nagative, rod shape, 그리고 비운동성을 보였다. 500 mL 플라스크에서 분리된 균주 중 단일균주를 사용하여 염색폐수를 처리한 경우 약 35%의색도 제거율을 보였다. 2균주를 조합하여 적용하였을 때는, 색도 제거율이 65%까지 증가한 반면, 3균주 조합 혹은 그 이상의 균주 조합에서는 2균주 조합보다 더 좋은 효율은 보이지 않았다. 염색폐수 분해시 $Mn^{2+},\;Fe^{3+}$와 같은 중금속의 영향을 조사하였는데, 70 ppm 이하의 농도에서는 별로 영향을 주지 않았다.
동두천과 반월공단에서 87가지의 균주를 분리하였다. 그 중 5가지 균주가 색도 제거율이 우수함을 보였으며, 동정을 통해 Shewanella putrefaciens, Aeromonas salmonicida(서로 다른 3종), Pseudomonas vesicularis로 각각 동정되었다. 동정된 5종의 미생물들은 성장에 최적인 pH와 온도는 각각 7.0과 30$^{\circ}C$이었으며, Gram negative, catalase nagative, rod shape, 그리고 비운동성을 보였다. 500 mL 플라스크에서 분리된 균주 중 단일균주를 사용하여 염색폐수를 처리한 경우 약 35%의색도 제거율을 보였다. 2균주를 조합하여 적용하였을 때는, 색도 제거율이 65%까지 증가한 반면, 3균주 조합 혹은 그 이상의 균주 조합에서는 2균주 조합보다 더 좋은 효율은 보이지 않았다. 염색폐수 분해시 $Mn^{2+},\;Fe^{3+}$와 같은 중금속의 영향을 조사하였는데, 70 ppm 이하의 농도에서는 별로 영향을 주지 않았다.
87 microbes were isolated from dyeing wastewater collected at Dongducheon and Banweol industrial complex. Five microbes showed excellent ability of color removal and were identified as Shewanella putrefaciens, Aeromonas salmonicida(3 different strains), and Pseudomonas vesicularis. Five identified s...
87 microbes were isolated from dyeing wastewater collected at Dongducheon and Banweol industrial complex. Five microbes showed excellent ability of color removal and were identified as Shewanella putrefaciens, Aeromonas salmonicida(3 different strains), and Pseudomonas vesicularis. Five identified strains had optimal pH and optimal temperature as 7.0 and 30$^{\circ}C$ for cultivation, and showed morphological characteristics of Gram negative, oxidase negative, rod shape, and non-motility, but their biochemical characteristics were distinguishable. Each single strain of five microbes were tested in the 500 mL flask to treat dyeing wastewater, and achieved about 35% color removal efficiency in average. When two strains were selected and applied to the treatment at same time, color removal efficiency was increased up to 65%. While three or more associations of each strain did not show the improvement of color removal. Inhibition effects by $Mn^{2+}\;and\;Fe^{3+}$ on the dye degradation were tested and resulted in no effect under 70 ppm concentration.
87 microbes were isolated from dyeing wastewater collected at Dongducheon and Banweol industrial complex. Five microbes showed excellent ability of color removal and were identified as Shewanella putrefaciens, Aeromonas salmonicida(3 different strains), and Pseudomonas vesicularis. Five identified strains had optimal pH and optimal temperature as 7.0 and 30$^{\circ}C$ for cultivation, and showed morphological characteristics of Gram negative, oxidase negative, rod shape, and non-motility, but their biochemical characteristics were distinguishable. Each single strain of five microbes were tested in the 500 mL flask to treat dyeing wastewater, and achieved about 35% color removal efficiency in average. When two strains were selected and applied to the treatment at same time, color removal efficiency was increased up to 65%. While three or more associations of each strain did not show the improvement of color removal. Inhibition effects by $Mn^{2+}\;and\;Fe^{3+}$ on the dye degradation were tested and resulted in no effect under 70 ppm concentration.
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