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Seawater Desalination Plant Project in Hainan


This seawater desalination project adopts a dual-membrane treatment process, with 70% of the water used for domestic drinking purposes. This project selects VONTRON's SW8040LE-400 membrane products, and adopts 3 sets of SW systems (126 membranes in total), with water production capacity of 22.5m³/h designed for single set, and recovery rate of 45%. It also utilizes 2 sets of secondary RO systems (36 membranes in total), with water production capacity of 15m³/h designed for single set, and recovery rate of 75%.

Since its operation, the system has remained stable performance, alleviating the scarcity of freshwater resources on the island and providing sufficient guarantee for residents' domestic water. This also improves the quality of life, protects the ecological environment, and promotes economic development.