Vacuum Sewers Compiled by: Beat Stauffer (seecon international gmbh) Source: http://www.sswm.info/category/implementation-tools/wastewater-collection/hardware/sewers/vacuum-sewers Executive Summary Vacuum sewerage systems consist of a vacuum station, where the vacuum is generated, the vacuum pipeline system, collection chambers with collection tanks and interface valve units. In contrast to conventional gravity sewerage systems with intermediate pumping stations, the permanent pressure within the vacuum system is maintained below atmospheric pressure. Moreover, vacuum technology reduces water consumption considerably, enabling flexible installations regardless of topography and water availability. In addition, it allows for the use of alternative wastewater handling (blackwater and greywater separation). In Out Blackwater , Faecal Sludge , Greywater , Brownwater , Urine or Yellowwater , Faeces , Excreta , Energy Blackwater , Non-bi...
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