Zech Umwelt GmbH

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Water Recycling / Re-Use

The use of membrane-assisted processes in the water treatment sector improves the re-use possibilities of process and/or wastewaters. Depending on the type of raw water and on the re-use requirements, different individual or combined processes may be used. The following application variants result, for example:

  • Urban wastewater Use of membrane bioreactors, in order to re-use treated wastewater as irrigation water or as industrial water. Thanks to the final membrane stage, the efficient retention of bacteria and viruses can be secured.
  • Chemical industry: Use of Ultrafiltration and reverse osmosis plants, in order to re-use process water. Thanks to the ultrafiltration process, it is possible to completely separate the solid substances and the reverse osmosis process will reduce the salt content.