发明名称 Optimization of biofiltration performance in external or internal filters in purification of still water involves introducing oxygen before or during biofiltration stage
摘要 Oxygen is added to still, non-flowing water before or during the biofiltration stage in a water purification apparatus and process.
申请公布号 DE10127412(A1) 申请公布日期 2003.05.15
申请号 DE2001127412 申请日期 2001.06.06
申请人 KSIENZYK, HORST 发明人 KSIENZYK, HORST
分类号 C02F1/72;C02F3/02;C02F3/06;C02F3/26;(IPC1-7):C02F7/00;C02F3/00 主分类号 C02F1/72
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