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Issue 02/2019 Constructed wetlands

CE marking requirement and ECJ judgment

To ensure the free movement of goods within the European Economic Area (EEA), manufacturers must declare the conformity of their product with the EU directives and regulations applicable to the...

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Issue 02/2019 Decentralized wastewater disposal

Future-proof wastewater disposal based on BOT models

Public wastewater disposal has so far been equated with centralized disposal schemes. Publicly operated decentralized systems are the exception rather than the rule. Decentralized wastewater treatment...

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Issue 02/2019 A quantum leap for small wastewater treatment plants made of concrete?

EN 12566:2021

In the spring of 2013, manufacturers of small concrete wastewater treatment plants from all parts of Germany have formed a joint working group. Since that time, in addition to flyers, the working...

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Issue 02/2019 Modular wastewater treatment technologies for water reuse

Results of the AWAREGIO project

The pilot plant of the AWAREGIO project has been in operation at the Moers-Gerdt waste-water treatment plant for about one year. The objective of the project is to enable the reuse of water and...

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Issue 02/2019 Voluntary manufacturer’s declaration

Opportunities and benefits for small wastewater treatment plants

In view of the ECJ judgment in case C-100/13 (infringement of the Construction Products Directive) all parties involved are particularly concerned about the question:How can decentralized wastewater...

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Issue 02/2019 Small wastewater treatment plants

Impact of remote data transmission on the effluent quality

In rural areas, small wastewater treatment plants offer an alternative to central wastewater treatment and are available for connections sizes of up to population equivalents (PE) of 50. Up to now,...

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Issue 02/2019 Digital change

Control, remote monitoring and service of small wastewater treatment plants

The subject of digitization represents a highly influential development that cannot be stopped and has become part of the lives of most people. Where does digitization stand in decentralized...

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Issue 02/2019 DWA rules and guidelines on the condition assessment in sewers

Coding, measurement and assessment of findings in pipes

The condition assessment and quantification (measurement) of inspection findings in drainage and sewer systems is of critical importance. If and when required, follow-up processes are initiated on the...

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Issue 02/2019 Innovative pipe design

Jacking pipes made of reinforced concrete

In an urban environment – and usually in lower lying areas – mechanical pipe driving in contrast to the open-trench method is a pipe-laying method for sewers that reduces the restrictions for the...

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Issue 02/2019 The frame for increased flexibility

Innovative rectangular profile in modular design with corrosion protection

When revising their sewage master plans, many municipalities find that the existing sewer network is unable to cope with the increasing number of heavy rainfall events. The strategies used include...

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