Abstract
In order to increase biological activities of Co~nebacteriumpseudodipI~t~~eriticum W3712 which degrades achemical softener (organopolysiloxane), the cells were immobilized on four immobilizing carriers by physicaladsorption. The cells immobilized on bentonite had higher removal efficiency than those immobilized onthe other carriers, and physical adsorption of organopolysiloxane on bentonite was 62.5%. The immobilizedcells were produced by 16 ml of culture broth with 20 g of bentonite, and 100 ml of the standard wastewatercontaining 12.000 mgll COD," with organopolysiloxane was removed 95.0% by 10.0 g of the immobilizedcells treatment at room temperature for 10 days by static culture.y static culture.
화학유연재, organopolysiloxan분해세균인 Corynebacterium pseudiptheriticum W3712의 생물학적 활성을 증가시키기 위하여 균체를 고정하시켰다. 이 세균의 고정화 담체로서는 bentonite가 가장 양호했으며, bentonite에 의한 organopolusiloxane의 물리적 흡착효율은 62.5%였다. 실험균주의 배양액 16ml를 bentonite 20g에 고정시킴 고정화균체 10.0g은 12,000 mg/l의 organopolysiloxaneqnsgotprbs 폐수를 실온에서 10일간 정치배양하므로 95.0% 제거시켰다. 이상의 결과로 이 고정화 균체를 공장의 폐수 저장탱크를 개조하지 않고 정화할수 있다고 사료되었다.
