What is Reverse Osmosis or RO?

Reverse Osmosis is a system that removes contaminants from water by using pressure from a water pump to push it into a special membrane with very small pores (0.0001) microns to block various contaminants from passing through, such as viruses, lead, arsenic, pesticides, chemical fertilizers. It can remove chemicals, heavy metals, and various germs in water up to 95%.

What is Reverse Osmosis (RO)? RO systems are widely recognized as the most effective water filtration method and are certified by the Environmental Protection Agency (EPA) to effectively remove contaminants and toxins, resulting in cleaner, more flavorful water.

กรองน้ำระบบ RO

Working principle of Reverse Osmosis (RO)

Before water reaches the RO filter, it must first pass through a pre-filter. This filter removes sediment and chlorine to prevent these impurities from clogging or damaging the RO filter. Ideally, it's best to have three pre-filters: a PP filter, a carbon filter, and a resin filter. Once the water passes through these three layers, it's pressurized by a pump, forcing it into the RO filter.

After passing through the RO filter, the post-carbon filter removes color, odor, and chlorine, and improves the taste of the water. The filtration process for each stage is as follows:

1. PP Sediment Filter: Filters out small contaminants in the water, such as dust, sediment, and suspended solids. This is the first stage of water filtration.

2. Pre-Carbon Filter/Block Carbon Filter: Filters out chlorine, odor, color, sulfur, organic matter, and other impurities. This is the second stage of water filtration. Without the first two stages, the RO filter will clog very quickly.

3. Resin Filter/Ion Exchange Filter: Captures limescale and removes water hardness.

This is the third stage of water filtration. Without this stage, the water will become hard. Drinking it won't leave you with a smooth throat.

4. RO Membrane Filter: Filters Total Dissolved Solids (TDS) to make the water

free of germs, viruses, dirt, and chemicals, such as arsenic, lead, and bacteria. This ensures that the water passing through the RO system is of the highest purity, as other systems cannot filter down to the level of viruses.

5. Post Carbon Filter: Removes odors, colors, chemical contaminants, and radioactive substances, as well as improving the taste of the water to natural and pleasant to drink.

RO Filter

 Water from the RO system is divided into 2 parts.

After the water has gone through every step of filtration, the water will be stored in a pressure tank to reserve water until the tank is full. The RO system will then shut down. When we turn on the faucet, water will flow from the tank to the faucet.

RO systems divide water into two parts:

1. Buffer water – This is filtered water for drinking, making up approximately 30-40%.

2. Waste water – This water contains residual contaminants. This water flows into a separate drainpipe. Therefore, a flow restrictor is required to limit the amount of wastewater to conserve water.

	Why do we need a pressure tank?

The RO pressure tank is like a reserve water tank for the RO system because the water production of the RO system releases water slowly, taking a much longer time than other systems. If water is used continuously without any reserves, we will not be able to use water continuously. But if there is a pressure tank, we will be able to use water continuously without having to wait. But it also depends on the volume of the pressure tank as to how many liters it is.

Pressure Tank

Should we drink water from a reverse osmosis system?

Although water obtained from a Reverse Osmosis (RO) system removes beneficial minerals such as calcium and magnesium from the water, it does not make RO water harmful to us. We drink water to hydrate our body and lubricate our joints, as our body is made up of 70-80% water. So, should we drink water from an RO system? It depends on our own needs. There is nothing to worry about.

	"Lifespan of RO water filter"

Each type of water filter has a different lifespan. For example, PP Sediment water filters, Pre-Carbon water filters, Resin water filters, and Post Carbon water filters all have a lifespan of approximately 6-8 months, depending on the water quality in each area. However, RO water filters have a lifespan of approximately 1 year.

	"Advantages of Reverse Osmosis System"

• This is the cleanest filtration system, filtering water down to 0.0001 microns. It's popular in various industries, including commercial bottled water, pharmaceuticals, food and beverage manufacturing, and any industry requiring exceptional water cleanliness.

• Whether it's tap water, groundwater, brackish water, or any other water, RO water can be consumed immediately.

• Introducing an RO water filtration system ensures that products and services are of high quality, clean, and safe for consumers, enhancing your business image and credibility.

• Removing Total Dissolved Solids (TDS) to zero, including:

- Toxic and harmful chemicals

- Foul-smelling chlorine

- Heavy metals, residues, contaminants, and toxins

- Germs, bacteria, dust, powder, and particulate matter

- Minerals such as calcium, magnesium, and other substances invisible to the naked eyeา

    For all these reasons, the water tastes good, has no bad odor, is suitable for drinking and used in various industries that use water in production, such as medicine, food and beverages, and ice. Importantly, whether our water source is tap water, groundwater, or brackish water, this system can filter it all. It is a filter system that is reliable and most accepted because it is clean, safe, and delicious, making it widely popular and has a variety of uses.

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