Reverse Osmosis – How Does It Work?

To fully understand reverse osmosis, you must first understand osmosis, which is a naturally occurring process.

To discuss the best water filtration for your needs, please book a demonstration here and one of our water experts will visit you.

How Osmosis Works

Osmosis is one of the most important things in nature. It’s when a weaker saline solution will migrate to a strong saline solution. Examples of this is if you were to put a potato in water, it will swell up over time. Another example is when plant roots absorb water from where it’s planted.

In the diagram below, you’ll learn how osmosis works. If you had a container of water with a low salt concentration and another with a high salt concentration and they were separated by a semi-permeable membrane, the water from the lower salt concentration would migrate towards the container with the higher salt concentration.

Osmosis Color

What Is A Semi-Permeable Membrane?

A semi-permeable membrane is a membrane that allows some atoms to pass through but not others. An example of this is a kitchen cloth. It will allow water to pass through but not pieces of food larger than the tiny holes in the fabric.

What Is Reverse Osmosis?

Osmosis occurs naturally, without any additional energy. When you apply energy to the more saline solution, you can reverse the process of osmosis. Reverse osmosis allows water molecules to pass through the semi-permeable membrane but not the other elements polluting the water.

Below, you can learn about the process of reverse osmosis. When you apply energy via pressure to the concentrated solution, the water molecules are forced through the semi-permeable membrane without the contaminants going through.

Reverse Osmosis Color

How Reverse Osmosis works

Reverse Osmosis works by using a high pressure pump to increase the pressure on the contaminated side of the solutions, forcing water across the semi-permeable membrane. The amount of pressure required depends on how concentrated with contaminants the solution is. The more concentrated the solution, the more pressure will be required to clean the water.

The clean water is called the permeate water and the dirty water is called the reject stream. You’ll see this in the tubes coming out of the back of your Rebbson water filter.

Ro Membrane 1

Difference Between A 1 And 2 Stage Water Filter

In a 1 stage water filter, the feed water enters the system and comes out the reject and clean water. In a 2 stage system, the clean water becomes feed water for the 2nd stage. This helps to clean the water maximally. The more filters your water goes through, the cleaner it gets.

How Many Stages Filtration Is A Rebbson Water Filter?

Average water filters contain 1 stage filtration. Good water filters contain 2 stage filtration. A Rebbson water filter powered with LG technology contains 6 stages of filtration. This is why Rebbson are known throughout the Catalonia area for having the best water filters on the market.

To discuss the best water filtration for your needs, please book a demonstration here and one of our water experts will visit you.

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