Cascal NV - Subic, Philippines

History - Located in the southeast of China on the straits of Taiwan, Fuzhou City is the Capital of the Fujian Province. Fuzhou is a political, economic and cultural centre and has a population of 6.6 million, of which 2.43 million live in the urban area.

Partnership - Fuzhou Economic and Technical Development Zone (ETDZ) is located 10 kilometres east of Fuzhou city and was established in 1985 and was one of the first groups of 14 ETDZ’s in the coastal areas of China. In 2004, Fuzhou ETDZ won approval from the State Council for the area to be expanded from 16km² to 23km². To date the total foreign investment within the ETDZ is US$4.7 billion including the main industries sich as electronics, biochemical, pharmaceutical, mechanical, textile and food processing.

Developments - Fuzhou CWC developed and now operates water treatment facilities supplying water to the ETDZ including all industry groups and 100,000 domestic users. The facilities consist of two plants with a combines capacity of 125Mld and 76 kilometres distribution network, mainly gravity fed.

Raw water can be obtained from two sources. Normally the plants draw water from the Baimei reservoir, which is located 12 kilometres away and has a storage capacity of 15 million cubic meters. In the event of drought, water can be drawn from the Ming river adjacent to the treatment plant via a pumping station.

The treatment plants consist of:-

Mixing and flocculation where aluminium chloride is added
Clarification with travelling bridge sludge collectors
Filtration
Chemical dosing
Clean Water Storage