Reverse osmosis systems is a highly efficient device that utilizes ro membrane technology to filter and purify water. Otherwise, this ro system applies pressure to force water molecules through a semi-permeable membrane. And the membrane retained most impurities such as dissolved solids, organic matter, bacteria, and viruses achieving the desired water purification.

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How do reverse osmosis systems work?

Below, I will explain the working principle of reverse osmosis.

In terms of filtration function, reverse osmosis systems can effectively remove soluble solids in water such as calcium, magnesium ions and inorganic salts, intercept organic matter, microorganisms, colloids and suspended matter, and ensure clear water quality and microbial safety.

Another terms of water purification function, it can rely on its filtration principle based on the physical interception effect of semi-permeable membranes. When reverse osmosis system operating parameters are stable and the inlet water quality fluctuates little, the outlet water quality remains stable, thereby meeting long-term stable water demand.

Water purification can be mainly divided into three steps.

1. Pretreatment

The raw water first passes through a pretreatment system, including quartz sand filters, activated carbon filters, etc., to remove impurities such as suspended matter, colloids, organic matter, residual chlorine, etc. in the water, reduce the turbidity and color of the water, and ensure the water quality of the reverse osmosis membrane.

2. Pressurization

The pretreated water is pressurized by a high-pressure pump to increase the water pressure to reach the working pressure of the reverse osmosis membrane (generally 1.5~2.5 MPa).

3. Reverse Osmosis

The pressurized water is evenly distributed across each reverse osmosis membrane element. After separation by the membranes, it forms two streams. One stream passes through the membranes and becomes pure water (also known as permeate or product water). The other stream fails to pass through the membranes and becomes concentrate (also known as reject water or wastewater).

The pure water flows from each RO membrane element, is collected, and monitored by flow meters and pressure gauges before flowing out of the reverse osmosis systems outlet and into a pure water tank. The concentrate water flows from each RO membrane element, is collected, monitored by flow meters and pressure gauges. And then flows out of the reverse osmosis systems outlet for discharge or recycling.

Advantages of  reverse osmosis systems

1.Strong water production capacity

The water production per hour reaches 1000L, which can meet continuous water demand. Whether it is industrial production or living water supply in densely populated areas, it can stably supply sufficient water sources.

2.Excellent water quality

The reverse osmosis machine has a desalination rate of over 97%, and because the pore size of the reverse osmosis membrane is as small as 0.0001 microns, it can almost intercept all microorganisms to ensure the safety of water quality microbial indicators. It can also greatly reduce the content of organic matter such as humic acid, and reduce COD and BOD.

3.Stable operation

The machine has a high degree of automation, uses PLC to adjust operating parameters, adjusts the state according to the set value, has high and low pressure protection, water shortage protection and other fault alarms, can operate continuously and stably, and produce water continuously and stably

4.Economical and efficient

The equipment has the advantage of low energy consumption. Advanced reverse osmosis technology optimizes operating energy consumption, reduces long-term costs, has a high recovery rate, can improve water resource utilization, and reduce waste and water costs.

5.Widely used

In the industrial field, it is suitable for electronics, pharmaceuticals, chemicals, food and beverage industries, providing high-purity process water to ensure product quality. Another field of life, we can use containerized equipment systems in communities, schools, hospitals, hotels and other places to supply high-quality drinking water.