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Efekt badań statutowych
NIE
Finansowanie:
This article was funded by the statutory activity (FN-21/
IŚ/2021) of the Department of Water Supply and Wastewater Disposal,
Faculty of Environmental Engineering, Lublin University of Technology, Poland.
The most important goal of every water distribution system is to deliver water to the consumers in the demand and time determined by its users. However, not all water usages require the potable water quality. One of the technical solutions enabling water recycling and its reuse is a dual installation system. Dual installations recycle rain wastewater or grey water from bathtubs, showers and sinks and further reuse it for irrigation or toilet flushing. The profitability of a dual installation system is highly dependent on the water price, which tends to vary significantly according to the location. The purpose of this paper is to evaluate the profitability of dual installation systems in exemplary hotel building hypothetically located in 10 different European countries. The profitability was determined on the basis of multi-criteria decision analysis performed for two installation variants. The investment was evaluated in terms of technical, economic and environmental aspects. As a result, the selected countries were ranked in order of the most profitable location for dual installation system’s investment.
