Search results for “Ruhr”

Performance³ EN

The River Emscher was considered a "cesspool of the Ruhr": an open channel, extremely polluted with wastewater from coal mining and heavy industry and the feces of local residents. It is a sewage project of superlatives: 10 Herrenknecht-TBMs were used to build an efficient underground pipe and tunn

How river water becomes drinking water

The managing director of the Hengsen waterworks explains the steps involved in extracting drinking water from the river water of the Ruhr. This process takes three to four days. Author: 3sat/nano/Spiegel TV/Christine Voges/R. Engelke/S. Karim/F. Gutsche/J. Heck/B. Asgari/K. Scheef/F. Buscha/Tim Ku