... following a period of economic growth. It is generally known that China must feed and take care of the needs of 1.3 billion inhabitants, or 22% of the world population, with only 7% of the world’s ... (1999). Analysis on the structure of water demands in dwelling houses of Suzhou, China, J. Archit. Plann. Environ. Eng., AIJ, 522, 83-90. (in Japanese with English summary) National Bureau of Statistics ... sewage is reclaimed from 41% of the current total, this would result in a saving of 122 million m3 of the groundwater required. Moreover, with the useful ratio of reclaimed wastewater set...