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Principle, Application and Examples of Reverse Osmosis

Views:9     Author:Site Editor     Publish Time: 2017-02-05      Origin:Site

Reverse osmosis system is the original water through the fine filter, granular activated carbon filter, compressed activated carbon filter, and then through the pump pressure, the use of pore size 1/10000μm (equivalent to the size of 1/6000 of E. coli, 1/300of virus) reverse osmosis membrane (RO membrane), so that the higher concentration of water into low concentrations of water, while industrial pollutants, heavy metals, bacteria, viruses and other impurities mixed with water in full isolation, so as to achieve the prescribed physical and chemical Indicators and health standards, the output to the clear to pure water, the human body is the best choice for timely replenishment of high-quality water. RO reverse osmosis technology for the production of water purity is the human master of all water technology, the highest, clean Degrees to almost 100%. Reverse osmosis membrane is the key equipment of reverse osmosis system, the system for a long time continuous operation, the water will continue to precipitate calcium and magnesium ions in the surface of the reverse osmosis membrane attached to the formation of fouling blocking membrane hole, this will affect the reverse osmosis system effluent efficiency, Damage to the reverse osmosis membrane. As the reverse osmosis membrane is more expensive, so the system is running, to add a dosing system, adding in the water reverse osmosis scale inhibitor, delaying the precipitation of calcium and magnesium ions and membrane fouling.

 

Features of reverse osmosis

The reverse osmosis scale inhibitor is specially designed for reverse osmosis (RO) system and nanofiltration (NF) and ultrafiltration (UF) system scale inhibitor, can prevent surface scaling, can improve water production and water quality, reduce Operating costs.

It can effectively inhibit the polymerization and deposition of silicon, the concentration of silicon dioxide on the side of concentrated silica (SiO2), the concentration of silicon dioxide (SiO2) and so on. The concentration of up to 290 ppm; can be used for reverse osmosis CA and TFC membrane, nanofiltration membrane and ultrafiltration membrane; excellent solubility and stability; PH value of 5-10 in the water are valid.

 

Reverse osmosis pharmaceutical basic role

1, Network and solubilization: reverse osmosis scale inhibitor dissolved in water ionization occurs, the formation of negatively charged molecular chain, which forms soluble and soluble Ca2 + complexes or chelates, so that the inorganic salt solubility Increase, play a role in scale inhibition.

2, The role of lattice distortion: the reverse osmosis inhibitor molecules in some of the functional groups in the inorganic salt crystal nuclei or microcrystals, occupy a certain position, hinder and destroy the normal growth of inorganic salt crystals, slowing the crystal growth Rate, thereby reducing the formation of salt scale;

3, The role of electrostatic repulsion: reverse osmosis scale inhibitor dissolved in water after the adsorption of inorganic salts on the microcrystalline, so that the inter-particle repulsion increases, hinder their coalescence, so that they are in good dispersion, thereby preventing or reducing scale Formation.

 

Market introduction of reverse osmosis pharmaceuticals

TF-0100 reverse osmosis scale inhibitor, dispersant

 

一、Performance and use

(RO) system and nanofiltration (NF) and ultrafiltration (UF) system, can prevent the membrane surface scaling, can be used to reverse osmosis (RO), anti-fouling agent, dispersant TF-0100 Improve water production and water quality, reduce operating costs.

 

Reverse osmosis scale inhibitor, dispersant TF-0100 Features:

(1) The effective control of inorganic fouling in a large concentration range, without the addition of acid under the LSI maximum allowable value of 2.8

(2) Not with iron-aluminum oxide and silicon compounds to form insoluble aggregates

(3) For the control of iron, aluminum and heavy metal contaminants particularly effective, the inlet side of the concentration of iron allowed to reach 8.0mg / L

(4) Can effectively inhibit the polymerization and deposition of silicon, concentrated water concentration of SiO2 up to 290 mg / L

(5) Can be used for reverse osmosis CA and TFC membrane, nanofiltration and ultrafiltration membrane

(6) Excellent solubility and stability

(7) PH value of the water supply in the 5-10 range are valid

 

二、The technical indicators

 

Items

Index

Appearance

Clear liquid

Clear transparent liquid

pH (1% water solution)

1.5-2.5

1.5-2.5

Density (20℃)g/cm3

1.03-1.06

1.40-1.50

Main content

Micromolecular containing P

Micromolecular containing P

Decomposition product under high temperature

orthophosphate

orthophosphate

 

三、Instructions

Reverse osmosis scale inhibitor, dispersant TF-0100 dosage is based on the total analysis of water quality and reverse osmosis system to determine the situation. General dosage is 3-5mg / L, the recommended dose range, can control the vast majority of the following types of scaling: calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, iron hydroxide, aluminum hydroxide and silicon.

 

四、Packaging

Reverse osmosis scale inhibitor, dispersant TF-0100 is 8 times the concentration of the factory. 5 gallons (27.55 kg), diluted 8 times after the equivalent of 220.4 kg standard solution.

Fifth, security and protection

Reverse osmosis scale inhibitor, dispersant TF-0100 for the weak acid, attention to labor protection, should avoid contact with the skin, eyes, contact with a lot of water rinse.


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