Apparatus And Method For Reverse Osmosis Desalination

The present invention intermittently in accordance with the RO (reverse osmosis) water desalination process variable or demand the reverse osmosis process in accordance with the load inlet in, to a reverse osmosis desalination apparatus and method for operating discontinuously. Reverse osmosis desalination apparatus according to the present invention, the inlet tank to store the incoming water intake in the intake source; High-pressure pump for supplying the pressure to the rear end of the pair of inlet water inflow; Influent control valve for controlling the flow rate of the inflow water to be supplied by said high-pressure pump; A reverse osmosis membrane module for receiving the incoming water supply via the inlet water control valve to produce water filtered by the filtration treatment with the reverse osmosis process; The energy recovery apparatus is transferred to the inlet water control valve to recover from the incoming water pressure concentrated water of the filtration treatment of the reverse osmosis membrane module for mixing with the incoming water; Concentrated water branch valve for branching a concentrated water in the reverse osmosis membrane module to the energy recovery device and the inlet water control valve; And a reverse osmosis circulation pump to pump the influent to be supplied via the inflow control valve in the reverse osmosis membrane module.