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Robuschi's product range with rotary lobe blowers, screw compressors, vacuum and centrifugal pumps targets the following environmental applications: desalinisation, biogas production, biogas recovery, slurry drying process, landfill gas recovery, soil gas extraction, suction vehicles for wastewater, mechanical vapour compression and recompression, truck-hydroexcavation.
The biomass produced in activated sludge and clarifying tanks is stabilised in the digestion tower and used to produce biogas. A thorough mixing of the sludge increases the gas yield and reduces its retention time in the reactor. During the process, gas is withdrawn from the upper part of the digestion tower, compressed and reintroduced through the nozzles at the bottom.
This is the process of transfering the biogas from the digestor to the endothermic coogenerating engine or from digestors to upgrading stations.
Desalinisation is the process of removing dissolved salts from seawater or brackish water. Desalting technologies can be used for many applications, most commonly to produce potable water for domestic or municipal purposes.
The digestion of covered household waste produces landfill gas. The gas is collected and removed from the landfill, where it is compressed by gas compressors or blowers. This gas can then be used as a heating fuel, converted into electricity or used as liquefied gas.
This process uses thermo-compression to extract water as clean condensate from polluted fluids. Because only the heavy residuals are required to be sent for further treatment, a considerable amount of water is recyclable. The distillation process acts inside an evaporator, where a rotary lobe blower is used to pressurise the vapour, in order to produce clean water condensate.
Farm processes install a phase-separation plant to dry slurry using rotary lobe blowers for vapour recompression processing.
This is an approved method for the reclamation of soil polluted with hydrocarbons. Depending on the volume, distribution and saturation pressure of the pollutants and the air flow through the soil, vacuum blowers are used with operating depth range between 10 - 80 m.
Vacuum pumps provide suction pressure for removing and flushing out contaminants in wastewater and for cleaning sewer networks.
The process uses pressurised water and an industrial-strength vacuum to excavate and evacuate soil simultaneously. After the soil is broken up, it is conveyed by vacuum, along with the water slurry to a debris tank.