RO as a high pressure operation equipment, before operation, in order to protect the equipment and instrument and safety, it is necessary to confirm and adjust the opening state of the valve strictly in accordance with the operating procedures. The specific operations are as follows:

1. Completely open the water inlet valve of the security filter and open the water inlet valve of the high pressure pump
2. Open the high-pressure pump outlet valve for a circle
3. Open the RO inlet valve for one turn
4. Rotate the needle valve on the concentrated water pipe three and a half turns
5, fully open the water production outlet valve and concentrated water outlet valve
6. Close all sampling valves and cleaning valves
7. Open all pressure display valves to half open state

Components and Principles of RO Water Treatment System

The reverse osmosis system includes high pressure pump, reverse osmosis membrane element, pressure vessel (membrane shell), cleaning system and control instrument; the principle of reverse osmosis water treatment system is: when a pressure greater than osmotic pressure is applied on the brine side of the membrane, the water The direction of flow will be reversed, and the water in the brine will flow into the fresh water side, a phenomenon called reverse osmosis.

Technical Specifications of RO Water Treatment System

Model	JFRO-1000L
Host Size	1000x600x1600mm (can be customized)
Power	2.2KW
Power Supply	220V /380V/460V - 50Hz/60Hz,220V 50Hz can be customized
Operating Pressure	0.8~1.2MPa
Recovery Rate	50%
Designed Water Inlet	2000L/h
Outlet Flow	1000L/h
Desalination Rate	≥99.5%
RO Frame	SUS304
Membrane Size	4040
Membrane Elements	DOW /Hydranautics/Troy/ Vontron (Optional)
Number of Membranes	4
Raw Water Pump	CNP/NYP/GRUNDFOS (Optional)
High Pressure Pump	CNP/NYP/GRUNDFOS (Optional)
Tank Material	SS/FRP(Optional)
Control Valve	Manual/Automatic
Control Valve Brand	FLECK/RUNXIN
Membrane Housing	FRP
Pipe Material	U-PVC/ Stainless steel (Optional)

Classical mechanism model of reverse osmosis water treatment system:

1. Preferential adsorption model of capillary pores: no pores were found under the dry electron microscope of weak spot. Wet membrane specimens are not electron microscope samples.
2. Dissolution and diffusion model: Pores are not considered.
3. Dry-closed and wet-open model: the "dry-closed and wet-open" reverse osmosis model unifies the two most classical reverse osmosis mechanism models, namely, the fine-hole model and the solution-diffusion model.

Process flow of RO Water Treatment System

Original water pump → mechanical filter (quartz sand filter)→ activated carbon filter → sodium ion exchanger (water softener)→ security filter → high pressure pump → reverse osmosis → ozone sterilizer (ultraviolet sterilizer)