The Degrdation of Pigment-Producing Furfural in Aquatic Waste

환경오염 유해색소의 미생물학적 분해

Isolated Gram-negative bacteria, being capable of degrading toxic, recalcitrant, and pigment-producing furfural, were tentatively identified as Pseudomonas testosteroni, Pseudomonas maltophilia, Klebsiella Pneumoniae, and Pseudomonas fluorescens. They exhibited synergistic effects between P. testosteroni and the others in the degradation of colourproducing furfural. Synergistic effects and possible sequence of its degradation were attempted by manometric technique. P. testosteroni could degrade furfural to decolourize it and produce ninhydrin-reaction postive substance (NPS) which could be utilized by P. maltophilia and K. pneumoniae and the latter two bacteria could ,degrade furfural to 2-furoic acid as an oxidized form. Finally 2-furoic acid was further oxidized by P. fluorescens. Once NPS and 2-furoic acid were produced, the degradation efficiency was enhanced by competing four bacteria against furfural and 2-furoic acid.

독성이 있으며 난분해성 색소물질의 일종인 푸르푸랄을 분해할 수 있는 4종의 Gram 음성 세균을 P P. testosteroηi, P. maltophila, Klebsiella pneumoniae 그려고 P. fluorescens로 동정하였다. 이 화합물을 분해 할 때, P. testosteroni와 기타 세 균주의 분해 상승효과와 가능한 분해순서를 manometric technique에 의하여 시도되었다. P.testosteroni가 푸르푸랄을 분해하면, 이때 생성된 미확인 물질 NPS를 P. maltophilai와 K.pneumoniae가 이용하면서 생장하게 되고, 동시에 이때 생성된 2-푸로인산을 분해하여 P. fluorescens가 생장하게 된다. 그러나 NPS와 2-푸로인산플 경쟁적으로 분해함으로써 푸르푸랄의 분해효과를 상승시킨다.