Rain: from roof to restroom
Rainwater is collected and purified with an existing technique but in a new way before it is used to flush a couple of toilets. Photo: Jenny Leyman It is not every day that the inauguration of a toilet draws a hundred spectators. Such a toilet would have to be pretty special – and this one is. It is special because it is flushed using rain water gathered from the roof of Kemicentrum. LUM was able
https://www.staff.lu.se/article/rain-roof-restroom - 2025-09-06