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Bremen, Germany

Beeneken T.,Institute fuer technisch wissenschaftliche Hydrologie GmbH itwh | Erbe V.,Wupperverband | Messmer A.,Groebenseeweg 2 | Reder C.,HanseWasser Bremen GmbH | And 6 more authors.
Urban Water Journal | Year: 2013

Application of real time control (RTC) in urban drainage systems is discussed in this paper as a potential solution for water management tasks. Though, in engineering practice, often the opinion prevails that to perform RTC requires far more effort than to use conventionally operated systems. Depending on the objectives and the boundary conditions of the entire urban drainage system under review, the additional effort (and extra cost) needed may well be limited. This concerns measurement and control devices as well as the planning process involved and the adaptation of daily operations. Due to the increased flexibility of controlled systems, their degree of utilisation can be essentially improved. With that, it is not only possible to reduce environmental impacts, but also to achieve operational objectives more easily. © 2013 Copyright Taylor and Francis Group, LLC.

The requirements on the cleaning performance of wastewater treatment plants for nitrogen removal were drastically elevated in the '80s. The necessary technical upgrading requires about 50% of the total amount of energy of a wastewater treatment plant. An energy self-sufficient wastewater plant did not seem to be possible. Due to the implementation of different measures, like among others, the repowering of existing wind power plants, the large-scale energy self-sufficient wastewater plant will already be feasible soon.

Fahsing P.,HanseWasser Bremen GmbH | Kakuschke H.,HanseWasser Bremen GmbH | Mess R.,HanseWasser Bremen GmbH
Wasser und Abfall | Year: 2014

Since the continuous operation of three combined heat and power plants, the waste water treatment plant in Bremen-Seehausen, as one of the first sewage treatment plants in Germany, runs energy self-sufficient and carbon neutral. This is possible through the interplay of increasing energy efficiency, renewable energy generation and CHP technology.

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