研究了用出芽短梗霉在不用酶水解淀粉废水的条件下优化处理工艺,考察了不同COD的淀粉废水对出芽短梗霉的生长影响,废水中有机物总量及COD去除情况的影响。结果表明:淀粉废水的COD浓度大小对出芽短梗霉的生长没有影响,有机物浓度随处理时间增长而降低,但最终的代谢物——普鲁兰多糖的量随废水浓度升高而增加,COD去除程度随废水浓度升高而增大。用出芽短梗霉对马铃薯淀粉废水进行生物处理,实现了环境保护和经济效益的双重目的。

Potato starch waste was one of the main products in the potato starch industry.The starch waste contained a lot of organic matters.It would contaminate environment and resources.Researches had done on potato starch waste treatment by Aureobasidium pullulan without hydrolysis.The results showed that the COD concentration of starch waste didn't influence the Aureobasidium pullulans growth,and the concentration of organic matter could reduce with the time delay,but the amount of pullulan polysaccharide would rise up with the waste concentration increases,and COD removal amount would increases with the waste concentration rise.The treatment of potato starch waste by biological methods of Aureobasidium pullulans would be helpful to the environmental protection and economic benefit.