优势菌降解橡胶工业有机废水的实验研究

用含M盐(2-硫醇基苯并噻唑)的橡胶工业有机废水驯化活性污泥，分离出8株高效优势菌，并初步鉴定到属.对8株菌种降解橡胶工业有机废水的效果进行了对比研究.结果表明:处理6 d后，各单菌株对橡胶工业有机废水的去除率均在55%以上，其中Y8的去除率达到82%.对复合菌降解橡胶工业有机废水的研究结果表明:温度为35 ℃,pH为8是复合菌降解的最佳条件.对废水稀释会导致碳源稀薄，降低降解率.多因素正交实验表明:降解该类废水的最佳条件是ρ(葡萄糖),ρ(尿素),菌量和转速分别为2 g/L，1.0 g/L，20%和80 r/min. 

Experimental Study on Degradation Capability of Dominant Bacteria in Rubber Industry Wastewater

Eight strains of bacteria were isolated from the rubber industry wastewater containing 2-mercaptobenzothiazole and the active sludge cultivated by thewastewater. The degradation effect of rubber industry wastewater by these strains was investigated. The results showed that the degrading rate of every single stain was above 55% after six days. Among the eight strains, Y8 was the best one, with the degrading rate of 82%. At the same time, the degradation of rubber industry wastewater by compound bacteria was studied, and the optimal condition was found with the temperature of 35 ℃ and pH of 8. The dilution of wastewater can reduce the degradation rate. The orthogonal experimental research result also shows the best degradation condition: glucose content, 2 g/L; urea content, 1.0 g/L; bacteria content, 20%; and revolution rate, 80 r/min.