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      Online toxicity monitoring of industrial influe...

      Online toxicity monitoring of industrial influents for the protection of wastewater treatment plants

      The composition of industrial wastewater is often complex and very dynamic due to varying production lines. Moreover, some substances in industrial wastewater and their degradation products are not always known. The substances contained in wastewater can not only cause damage to a water body if they are not degraded completely; even before degradation they have the potential to cause lasting damage to the biology of the wastewater treatment plant, which can subsequently have an even greater negative effect on the receiving waters. It is therefore essential to prevent any possible toxicity in the biology of the wastewater treatment plant. The degradability of the wastewater can be monitored with so-called degradation tests.

      An additional way to continuously monitor the degradability of industrial wastewater are specific toxicity analyzers; these measure the respiration inhibition of microorganisms contained in the sewage sludge and trigger an alarm in case of excessive deviation. To evaluate the sensitivity of these biomonitors, we conduct substance toxicity and degradability studies and compare their effects in conventional degradation tests. The long-term goal is to enable a practice-oriented application of biomonitors for the protection of the biological treatment step in the WWTP.

      Collaboration in research and services

      Life Sciences
      Ecotoxicology
      Miriam Langer

      Prof. Dr. Miriam Langer

      Dean of BSc environmental sciences and technology

      Telephone

      +41 61 228 58 83

      E-mail

      miriam.langer@fhnw.ch

      Address

      School of Life Sciences FHNW Institute for Ecopreneurship Hofackerstrasse 30 4132 Muttenz

      oekotoxikologieprojektbiotestökotoxikologie

      Institute for Ecopreneurship

      FHNW University of Applied Sciences and Arts Northwestern Switzerland
      School of Life Sciences
      Institute for Ecopreneurship

      Hofackerstrasse 30

      CH - 4132 Muttenz

      Phone+41 61 228 60 75

      E-Mailmarco.rupprich@fhnw.ch

      More information about the location

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