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Korngrößenseparation bei Steinschüttungen durch Fallrohre im Wasser Grain Size Segregation on Fall-pipe Rock Dumping

Prof. Dr. T. Stückrath (Ruhestand) Prof. Dr.-Ing. R. Hinkelmann
Wissenschaftlicher Mitarbeiter
Dr.-Ing. M. Nehrig
13.10.01 - 28.02.08


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In recent years there was a drastic decrease of the specific wastewater production, but with the wastewater carrying the same pollutant load. The emergence of odour, particularly at transfer shafts from pressure into gravity systems, and the corrosion of sulphuric acid in pipelines and special structures are caused by wastewater which is beginning to ferment. There are some technical possibilities to prevent odour and corrosion problems, which are restricted to a limited number of problems. A complete controlled application with a measurement of the corrosion ratio or sulphate concentration has not yet been investigated. Our aim is the modelling of flow-, transport- and reaction processes in part-filled concrete sewers. In the frame of a feasibility study additional research aspects will be elaborated which can be performed in close cooperation between Veolia/Anjou Recherché and the TU Berlin.

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