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Legionella inactivation with diamond electrodes

Furuta, T. / Tanaka, H. / Nishiki, Y. / Pupunat, L. / Haenni, W. / Rychen, P.

The DiaCell(R) technology has been successfully tested against Legionella infection in several water types and under various working conditions. Depending on the water composition, Legionella can be completely inactivated with current densities as small as 50 mA/cm² with low contact times (< 5 min). The higher the oxidant concentration in the electrolyzed water, the more rapid is the Legionella inactivation after injection. Bicarbonates in contaminated water were identified as very good supports for electrochemical disinfectants production for Legionella inactivation without high chlorine concentration. At the same time, sulfates in water do not provide any disinfection capacity by DiaCell(R) electrolysis.

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Legionella inactivation with diamond electrodes

Furuta, T. / Tanaka, H. / Nishiki, Y. / Pupunat, L. / Haenni, W. / Rychen, P.

The DiaCell(R) technology has been successfully tested against Legionella infection in several water types and under various working conditions. Depending on the water composition, Legionella can be completely inactivated with current densities as small as 50 mA/cm² with low contact times (< 5 min). The higher the oxidant concentration in the electrolyzed water, the more rapid is the Legionella inactivation after injection. Bicarbonates in contaminated water were identified as very good supports for electrochemical disinfectants production for Legionella inactivation without high chlorine concentration. At the same time, sulfates in water do not provide any disinfection capacity by DiaCell(R) electrolysis.

Legionella inactivation with diamond electrodes

Furuta, T. / Tanaka, H. / Nishiki, Y. / Pupunat, L. / Haenni, W. / Rychen, P.

The DiaCell(R) technology has been successfully tested against Legionella infection in several water types and under various working conditions. Depending on the water composition, Legionella can be completely inactivated with current densities as small as 50 mA/cm² with low contact times (< 5 min). The higher the oxidant concentration in the electrolyzed water, the more rapid is the Legionella inactivation after injection. Bicarbonates in contaminated water were identified as very good supports for electrochemical disinfectants production for Legionella inactivation without high chlorine concentration. At the same time, sulfates in water do not provide any disinfection capacity by DiaCell(R) electrolysis.

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Title:

Legionella inactivation with diamond electrodes

Contributors:

Furuta, T. (author) / Tanaka, H. (author) / Nishiki, Y. (author) / Pupunat, L. (author) / Haenni, W. (author) / Rychen, P. (author)

Published in:

ICNDST, International Conference on New Diamond Science and Technology, 9 ; 2016-2019

Diamond and Related Materials ; 13

Publication date:

2004

Size:

4 Seiten, 2 Quellen

ISSN:

DOI:

https://doi.org/10.1016/j.diamond.2004.03.006

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

biologische Wirkung , Kontamination , Stromdichte , Diamant , elektrochemische Elektrode , Elektrolyse , Mikroorganismus , Kontaktzeit , Hydrogencarbonat , Biophysik , Leitungswasser

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