Affiliation:
1. TU Berlin, Inst. of Civil Engineering, Dept. of Urban Water Management, TIB1-B16, Gustav-Meyer-Allee 25, D-13355 , Berlin,
Abstract
For some years, bio-filtration has been used in municipal wastewater treatment as a relatively new method. Within a German DWA research project, the method of benchmarking was used to compile and scientifically evaluate performance data and operation experiences with this technology on municipal wastewater treatment plants in Germany. This report presents selected partial results from the project. Generally, it becomes apparent that bio-filters as supplementary technology allow for additional improvements in regard to the COD and nitrogen effluent values. Bio-filtration is a compact method which combines biological purification processes with the filtration process. Apart from sound results in regard to the operation costs, operational problems (MSR technology, filter material losses) are described. In terms of energy balances, dimensions of the biological main stages can be compared to other biological purification methods. In regard to the sludge production, further research is necessary.
Subject
Water Science and Technology,Environmental Engineering
Cited by
6 articles.
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