32 industrial businesses from Austria, Germany and Switzerland were examined. With the help of a comprehensive questionnaire, she analysed the effects of the revitalised water system. The kind of use (cooling systems, production, ...), economic gain, measurable effects, and the central issue: Can the GRANDER® revitalised water system contribute in an industrial area to a lasting water economy and/or to pollution control or not?"
The diploma student presented the results of her examination:
- 48% of the questioned businesses have evaluated the GRANDER® water revitalisation effect as "very good" and 47% as "good"
- 90% of the questioned persons evaluated the satisfaction factor as "very good" or "good"
- 71% had actively measured an economic advantage.