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DWA-M 277E - greywater (10/2017)

The urban water management must address new challenges. Examples include the impact of demographic trends and climate changes or the implementation of resource protection measures. New Alternative Sanitation Systems (NASS) represent one potential approach, where technologies are used to close as far as possible the water and material cycles for the purpose of recycling the valuable componen... Learn More

DWA-Topics - Wastewater Treatment plants (10/2016)

The design of wastewater and sludge treatment plants under deviating wastewater and climatic conditions in other countries requires an amendment of existing design rules compliant to the DWA Set of Rules, which have been primarily developed for Central European conditions. This concerns, for example, the consideration of high or low wastewater temperatures, increased salt content or special... Learn More

DWA-A 199-1 - Operating Instructions (11/2011)

Operators of wastewater facilities shall establish service and operating instructions tailored to their respective circumstances in order to adhere to the requirements especially of § 57 of the German Water Resources Management Law (WHG) and in order to meet the minimum requirements of the self-inspection or self-monitoring ordinances of Germany's federal states. Since the regulatory content of t... Learn More

DWA-A 272 - New Alternative Sanitation (6/2014)

In recent years, numerous research and demonstration projects have been carried out at national and international level in the field of new urban water infrastructure systems, leading to new insights and technical concepts. Background of this work are in particular the emerging changes in key framework conditions for water infrastructure, including additional requirements from the point of ... Learn More

ATV-DVWK-A 281 - Trickling Filters (9/2001)

The biological stage of wastewater treatment plants, employing trickling filters and rotating biological contactors without sludge return feed, is dealt with in this Standard. The standard applies only for rotating biological contactors without artificial aeration for the supply of the biofilm with the required oxygen. The development of the trickling filter process and the rotating biological con... Learn More

New Alternative Sanitation Systems (2016)

The solution of water management tasks increasingly requires to search and implement new and innovative concepts. These include in particular the ecological, circular economy based systems for wastewater management. Wastewater and human excreta are considered as valuable material that can be processed and recovered to the extent required. Thus prepared they can be utilized accordingly. The stormwa... Learn More

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