The COD of the CASS biochemical pool is mostly dissolved organic matter, the removal rate of which is 20.0%.
CASS生化池的COD绝大部分是溶解性的有机物，对COD的去除率占总去除率的20.0%。
Aiming at the poor effect of amino nitrogen degradation in conventional refinery oil sewage treatment, the secondary biochemical test was carried with biological aeration filter pool.
针对炼油厂含油废水的常规生化处理工艺对氨氮的降解效果较差，采用曝气生物滤池作为二级生化进行试验研究。
Aiming at the poor effect of amino nitrogen degradation in conventional refinery oil sewage treatment, the secondary biochemical test was carried with biological aeration filter pool.
针对炼油厂含油废水的常规生化处理工艺对氨氮的降解效果较差，采用曝气生物滤池作为二级生化进行试验研究。
应用推荐