In recent years, the composition of wastewater has changed considerably, and pumping of untreated raw wastewater has become more and more challenging. Pump hydraulics which were used in the past without any problems and with satisfactory results, are becoming clogged...
The Emscher Wastewater Canal (AKE), the centrepiece of the project “Wastewater Free Emscher” In the Ruhr Area between the cities of Dortmund and Dinslaken, parallel to the Emscher river, the new 51 km long Emscher sewer has been built to receive the...
The pumping of municipal raw sewage is a great challenge. The main problem here is the percentage of fibrous materials, which in the form of wet wipes or similar, is found in the municipal raw sewage in an ever increasing quantities. For years now, we have been...
In Kalchreuth wastewater treatment plant (Bavaria), extensive renovation and expansion work had planned to enable wastewater treatment in accordance with current and future requirements of water legislation. With the intent to avoid high investment and operating costs...
In the old days, antiquated grit pump technologies were designed using a cup-style impeller which included a rim around the outside diameter or circumference of the impeller. This style impeller cannot be trimmed and requires use of v-belts to change the pump speed to...
