Wastewater treatment plants - Part 5: Lagooning processes
废水处理厂.第5部分:泻湖法；德文版EN 12255-5:1999

1999-12-01

Wastewater treatment plants-Lagooning processes
污水处理厂

2004-07-26

Draft Document - Wastewater treatment plants - Part 5: Lagooning processes; German and English version prEN 12255-5:2022
文件草案——废水处理厂——第5部分:泻湖工艺；德语和英语版本prEN 12255-5:2022

2022-03-01

Wastewater treatment plants- Part 6: Activated sludge process.
废水处理厂.第6部分:活性污泥法

2003-03-28

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 5: Specific principles for plants for anaerobic wastewater treatment
废水处理厂.结构和技术设备的设计原则.第5部分:厌氧废水处理厂的特殊原则

2002-12-01

Small sewage treatment plants - Part 5: Infiltration of aerobic biologically treated domestic wastewater
小型污水处理厂.第5部分:经好氧生物处理的生活污水的渗透

2012-10-01

Wastewater treatment plants - Part 6: Activated sludge process; English version of DIN EN 12255-6
废水处理厂.第6部分:活性污泥法；德文版EN 12255-6:2002

2002-04-01

Draft Document - Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021
文件草案——废水处理厂——第6部分:活性污泥法；德语和英语版本prEN 12255-6:2021

2021-07-01