Filter element｜RO membrane CEO 1812 T75G

The RO membrane (Reverse Osmosis Membrane) in the pure water machine is the core component of the water purification equipment and is responsible for removing harmful substances such as impurities, heavy metals, bacteria, and viruses dissolved in the water. The following is a description of the main features of RO membrane:

1. High efficiency filtration performance

• Extremely small pore size: The pore size of the RO membrane is about 0.0001 micron, which can effectively block dissolved solids (TDS), bacteria, viruses and most organic matter in the water, but allows water molecules to pass through.

• Remarkable filtration effect: It can remove more than 90% of dissolved salts, heavy metal ions and other pollutants in the water, providing high-purity drinking water.

2. Selective penetration

• Reverse osmosis technology utilizes the properties of a semipermeable membrane that allows only pure water molecules and a small amount of trace gases (such as oxygen) to pass through, while other solutes are trapped and expelled.

3. Service life and maintenance

• Durability: RO membranes can usually be used for 2-3 years, but the specific life span depends on water quality, frequency of use and maintenance.

• Regular cleaning: The membrane needs to be flushed or replaced regularly to prevent the accumulation of pollutants and affect the filtration effect.

4. Energy consumption and wastewater generation

• RO membrane requires a certain amount of water pressure (usually provided by a pressurized motor) during the filtration process and consumes less energy.

• The filtration process produces a certain proportion of wastewater (usually a pure water to wastewater ratio of 1 to 1.5) that can be used for cleaning or other non-potable purposes.

5. Water quality adaptability

RO membranes have certain requirements for incoming water quality, such as water temperature, water pressure and TDS content. In order to protect the RO membrane, a pre-filter element (such as PP cotton, activated carbon) is usually required to pretreat the water quality.

Summarize

With its excellent filtration performance, wide range of applications and stable water quality, RO membrane has become the core technology in current pure water machines. However, wastewater ratio and regular maintenance need to be considered to extend the service life and improve efficiency.