Multi-barrier system

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The multi-barrier system (also multi-barrier system or multi-barrier principle ) is in the environmental -applied principle, in which a number of successive staggered barriers intended to ensure safety.

The principle is used, among other things, in nuclear technology for final disposal . There it serves to isolate the radioactive waste from entering the biosphere . Corresponding systems there consist of geological barriers (e.g. low permeability rock layers), geotechnical barriers (e.g. bentonite as a buffer material around the waste containers) and technical barriers (e.g. the waste containers). Radioactive materials must overcome all barriers before they can penetrate the biosphere.

In drinking water treatment , for example when using surface water , in addition to water protection, six or more consecutive process steps serve to remove as much as possible all pollutants or pathogens from the water and thus increase safety. It depends on the interaction of all barriers; no barrier should be neglected at the expense of another.

Individual evidence

  1. Bernd Diekmann, Klaus Heinloth Energy: Physical principles of their generation, conversion and use Teubner: Stuttgart 1997, p. 276
  2. Multi-barrier system (Wahnbachtalsperrenverband)
  3. Claudia Castell-Exner, Volker Meyer The multi-barrier principle: Basis for a safe and sustainable supply of drinking water energy | water praxis 11/2010: 44–49