Possible applications of concrete in wastewater treatment plants
The public sewer system existing in Germany has an overall length of approx. 550,000 km being worth about € 680 billion. According to the evaluation of a survey carried out by DWA in 2009 [1], the capital expenditure needed for rehabilitation of these systems is amounting to about € 67 billion. The private sector has to expect similar financial requirements. An extremely high share of fixed costs is characteristic for the water economy: About 75 to 85 % of the overall costs incur independent of the occurrence of sewage [2, 3]. The selection of an appropriate material for new construction and...