celitron TWE-12100 Manuel d'utilisation - Page 2

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What is Reverse Osmosis?

everse osmosis, also known as hyper filtration, is the finest filtration known. This process will

allow the removal of particles as small as ions from a solution. Reverse osmosis is used to pu-

rify water and remove salts and other impurities in order to improve the color, taste or properties of

the fluid. It can be used to purify fluids such as ethanol and glycol, which will pass through the re-

verse osmosis membrane, while rejecting other ions and contaminants from passing. The most com-

mon use for reverse osmosis is in purifying water. It is used to produce water that meets the most

demanding specifications that are currently in place.

Reverse osmosis uses a membrane that is semi-permeable, allowing the fluid that is being purified

to pass through it, while rejecting the contaminants that remain. Most reverse osmosis technology

uses a process known as cross flow to allow the membrane to continually clean itself. As some of

the fluid passes through the membrane the rest continues downstream, sweeping the rejected

species away from the membrane. The process of reverse osmosis requires a driving force to push

the fluid through the membrane, and the most common force is pressure from a pump. The higher

the pressure, the larger the driving forces. As the concentration of the fluid being rejected increases,

the driving force required to continue concentrating the fluid increases.

Reverse osmosis is capable of rejecting bacteria, salts, sugars, proteins, articles, dyes, and other

constituents that have a molecular weight of greater than 150-250 Daltons. The separation of ions

with reverse osmosis is aided by charged particles. This means that dissolved ions that carry a

charge, such as salts, are more likely to be rejected by the membrane than those that are not

charged, such as organics. The larger the charge and the larger the particle, the more likely it will be

rejected.

RO manual version 1.0

Sting 11 B

CELITRON MEDICAL TECHNOLOGIES KFT