ZEWATECH multi-effect vacuum evaporators use the condensation energy from one boiler to heat the next and so on, so that the energy saving decreases with the number of effects.

Logically the investment of a multi-effect vacuum evaporator is higher but the energy cost can be substantially reduced based on the number of effects installed.


The multi-effect technology developed by ZEWATECH makes it possible to treat large volumes of wastewater, between 10,000 and 150,000 litres per day, with the significant economic savings and reduction of environmental impact that this entails.

The use of several effects makes it possible to reduce energy consumption by up to 70%, depending on the type of water and the number of effects.

Vacuum evaportarors for waste water. 

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