Berlin Pumpengruppe
11 May 2018

2014 … 2017 Ion-specific nutrient management – dosing devices

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Together with the Humboldt University in Berlin, the project was continued "development of a system for ion-specific control of the nutrition of crops in cultivation in greenhouses". The cooperation project focused on the development of a system for ion-specific control of the nutrition of crops in the greenhouse cultivation. This task was divided into 3 areas: 1. Ion-selective measurement of chemical parameters present in the nutrient solution of greenhouse cultures. 2. Determination of the setpoint values ​​for the chemical parameters as the difference between measured value and desired value-dependent growth. 3. Dosing of the individual components in the circuit.

Debre Birhan Dosacompact
10 Nov 2015

2015 Disinfect well water for brewery with chlorine dioxide

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In the highlands of Ethiopia was build 2015 probably the world's largest brewery company Dashen. In an otherwise very water-deficient environment wells were drilled, which produce several thousand cubic meters of water every day. 132 km or 150 Minutes away by car, outside the city Debre Berhan ("Mountain of Light"), next to the fountain a large area for the brewery was opened. Here traditional African ways of life met with European technology.

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