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.
广州威达高实业有限公司A厂引进芬兰YIT公司的物化一生物二级废水处理系统。
The physicochemical and biological two stages treatment systems was imported to Pa- per Mill A of Guangzhou Victorgo Industrial Co. Ltd. from YIT, Finland.
广州威达高实业有限公司A厂引进芬兰YIT公司的物化一生物二级废水处理系统。
The physicochemical and biological two stages treatment systems was imported to Pa- per Mill A of Guangzhou Victorgo Industrial Co. Ltd. from YIT, Finland.
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