El hotel London Heathrow Marriott instala un sistema de la empresa Granuldisk que le permite ahorrar en sus cocinas más de un 91% de agua

http://www.hotelmanagement.net/technology/london-heathrow-marriott-to-save-million-of-liters-of-water-annually-33881

London Heathrow Marriott Hotel is the first property in the Marriott UK group to partner with Granuldisk to trial a new technology that has so far saved 91.7 per cent of water used at the hotel. The London Heathrow Marriott wanted to reduce water wastage and conducted a study with Granuldisk, who placed meters in the hotel's kitchen sinks.