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Dongguan duoyimei Water Treatment Technology Co. Ltd.
Dongguan duoyimei Water Treatment Technology Co. Ltd.
City: Dongguan
Province/State: Guangdong
Country/Region: China
Tel: 86-0769-83068393
Contact Person:
Ms Fish Leong

Large water treatment equipment, direct manufacturers, quality assurance

Brand Name : Yusens
Model Number : GY-500
Place of Origin : China guangdong dongguan
MOQ : 1 set of
Price : USD 658508 / set
Supply Ability : 5 sets of / 30 days
Packaging Details : Wooden box
The amount of water : 150 cubic meters/H
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The working principle of


Reverse osmosis is the most sophisticated liquid membrane separation technology, operating pressure against the side of water (concentrated solution) in order to overcome natural osmotic pressure, when higher than natural osmotic pressure of operating pressure on thick natural penetration of water molecules in solution of lateral flow direction will be reversed, the moisture in water (concentrated solution) radical become dilute solution by reverse osmosis membrane side of purified water production; Reverse osmosis equipment can stop all the soluble salt and organic molecular weight greater than 100, but allowing water molecules through the reverse osmosis composite membrane desalting rate is generally greater than 98%, they are widely used in industrial pure water preparation and electronic ultrapure water, drinking pure water production, such as boiler feed water process, using reverse osmosis equipment before ion exchange can sharply decreasing operation of water and wastewater emissions.


The pretreatment of reverse osmosis water treatment equipment systems usually by polypropylene fiber (PP) filter and activated carbon (AC) filter. Raw water of high hardness also need to add softened resin filter. PP filter with high efficiency to remove mechanical particles more than 5 microns impurities in raw water, rust, and a large jelly and other pollutants, protect the subsequent filter, characterized by a large amount of sludge, price is low. AC activated carbon filter can effective adsorption residual chlorine and organic matter in raw water, colloid, protect polyamide reverse osmosis composite membrane from residual chlorine oxidation. Softening resin removal most of the calcium and magnesium ions in raw water, prevent subsequent dirty jams RO membrane surface, improve the recovery rate of the water.


RO (Reverse Osmosis, RO) is a differential pressure as the driving force of a new membrane separation technology, has a high degree of separation, no phase change, the characteristics of simple and efficient. Reverse osmosis membrane "aperture" has little to nanometer (1 nm = 10 to 9 m), under the scanning electron microscopy (sem) can't see any "filter" hole surface. In higher than that of raw water osmotic pressure, under the operating pressure of the water molecules can reverse osmosis through the RO membrane, output pure water, and a large number of inorganic ions, organic matter in raw water, colloid, microorganisms, such as pyrogen by RO membrane intercept.


Usually when the raw water conductivity < 200 mu S/cm, the level of RO pure water conductivity 5 mu S/cm or less, accord with the standard laboratory water level 3. For the raw water area, high conductivity of subsequent mixed bed ion exchange resin to save replacement cost, improve water quality, the client may consider to choose the secondary reverse osmosis purification system, secondary RO pure water conductivity of about 1 ~ 5 mu S/cm, related to the raw water quality. Reverse osmosis principle: the same volume of dilute solution (such as fresh water) and thick liquid (such as sea water or salt water), respectively, on both sides of the container, separated by a semipermeable membrane, dilute solution of the solvent nature through a semipermeable membrane, flowing the concentrated solution side, the side of the strong solution liquid level than the dilute solution of liquid level above a certain height, and form a pressure difference, achieve osmotic balance state, the pressure difference is the osmotic pressure of osmotic pressure is determined by the size of the thick liquid type, concentration and temperature has nothing to do with the nature of a semipermeable membrane. If in concentrated solution side a is greater than the osmotic pressure, and solvent will be in the concentrated solution to dilute solution, the solvent of the direction of flow in the opposite direction to the original permeability, a process known as reverse osmosis.


General water reverse osmosis or groundwater after level 1 reverse osmosis water treatment equipment, water conductivity < 10 mu S/cm, after the secondary reverse osmosis water treatment equipment, water production conductivity < 5 mu S/cm is even lower, after the reverse osmosis water treatment system by ion exchange equipment or preparation ultrapure water, EDI equipment can make the resistance rate of 18 megohm (conductivity) = 1 / resistivity is reverse osmosis is with enough pressure to make the solution of the solvent (usually water) through the reverse osmosis membrane (a semipermeable membrane) and isolated and penetration in the opposite direction, the greater than the osmotic pressure of the reverse osmosis method can be used for separation, purification and concentration solution. The reverse osmosis membrane separation of main object is a range of ions in the solution.


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