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Hygiene Dishwashing

Hygiene, Dishwashing, Microbiology


Workshop „Hygiene requirements and measurements in dish washing” on 1st and 2nd of April 2014 at the University of Bonn

An international workshop entitled “Hygiene requirements and measurements in dish washing” was organized by the Household and Appliance Technology Section of the University of Bonn on 1st and 2nd of April 2014. Over 60 experts from 12 countries all over the world took part in the workshop and the following discussions. Experts from different research and working areas like microbiology, hygiene, industrial research and development and representatives of appliance and detergents manufacturers discussed 2 days about the relevance of hygiene in automatic dishwashers.
On the first day the current state of knowledge due to hygiene topics e.g. microbial load of automatic dishwashers from quantitative and qualitative perspective or the comparison of the germ reduction in manual and mechanical dish washing, were presented by different hygiene experts. It became obvious that a lot of questions cannot be answered and further studies, adapted to conditions like increasing energy efficiency and lower temperatures during dish washing processes, need to be conducted.
Furthermore, the importance of implementing a measurement standard for automatic dishwashers with the focus on hygiene parameters was considered. Experts of different appliances (residential and commercial dishwashers, washing machines) presented the current used methods of measuring the state of hygiene in the appliance. As an output of the discussions it was considered necessary that for automatic dishwashers in private households a measurement standard should be developed. A working group of stakeholders and interested persons was initiated to draft an agreement.
A short summary of the presentations and the workshop is available at: 

Contact person:
Prof. Dr. Rainer Stamminger
Household and Appliance Technology Section
Universität Bonn
Institut für Landtechnik
Nussallee 5
D-53115 Bonn
Tel.+49 (0)228-73-5955
Twitter: @RStamminger



 Summary Hygiene Workshop