人工快速渗滤池微生物活性的研究

基于微生物活性测定方法,研究了人工快速渗滤池中各层中微生物数量、酶活性、硝化作用、反硝化作用和呼吸作用强度.结果表明,好氧细菌在数量上占绝对优势;各种微生物大都呈现出从表层到底层数量逐渐减少的规律;0～20cm砂层的脲酶、脱氢酶和磷酸酶活性明显高于其他层;在快渗池内,氮转化以硝化作用为主,反硝化作用比较弱;渗滤池上部呼吸作用明显强于中下部,与微生物的分布呈正相关.

Studies on activities of microorganisms in constructed rapid infiltration pond

Microorganism amounts, enzyme activities, strength of nitrification, denitrification, and respiration were studied in each layer of the pond, based on the measure technique of microorganisms activities. The aerobic bacteria had absolute advantage in amount; amounts of each kind of microorganism all showed the rule of the amount decreasing gradually with the depth; the activities of urease, dehydrogenase, phosphatesin in 0~20cm sand layer were stronger obviously than those in other layers; nitrogen teanoforming was mainly nitrification, and denitrification was weak comparatively in the rapid infiltration pond; respiration was higher obviously in the upper layer than in the middle and bottom layers; and was interrelated to the distribution of microorganism.