Blower and Vacuum Applications in Wastewater

Back washing sand filtration

Air is used to expand the filter bed, breaking up compacted material. Clean backwash water is pumped in, suspending the loose material and the suspended particles are lifted into through and carried away.

Compressed air in wastewater treatment plant

The digestion tanks in wastewater treatment plants are activated with oxygen by means of compressed air. A thorough mixing of the sludge with oxygen increases the gas yield and reduces its retention time in the tank. Even better results are achieved with warm compressed air.


It is the process of removing dissolved salts from water, thus producing fresh water from seawater or brackish water. Desalting technologies can be used for many applications. The most prevalent use is to produce potable water from saline water for domestic or municipal purposes.

Slurry liquid pumping

Thanks to the slurry pumps it is possible to handle tough, abrasive, viscous liquids and containing particles in suspension from a tank to an other one.

Suction vehicles for wastewater

The suction pressure necessary for removing wastewater and cleaning sewer networks is provided by vacuum pumps. The contaminants in the wastewater are sucked in and can be flushed out periodically by means of pumps.

Wastewater disposal

With the use of central vacuum systems the disposal of wastewater can be effected at the same place. The wastewater can be collected, drained and disposed of in complete housing areas at the same time. With the use of vacuum up to 97% of the wastewater can be transported uphill.

Wastewater purification or oxygenation of activated sludge tanks

To reduce the space requirements and costs of wastewater treatment plants, a growing number of activated sludge tanks are being set up. The introduction of oxygen is extremely important for purifying wastewater. Compressors supply the compression pressure required for maximum oxygen yield.

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