In industrial cooling towers, mist eliminator systems are installed near the air outlet to capture water droplets carried by exhaust air. These systems are also called mist eliminators or moisture separators, and their main purpose is to prevent valuable circulating water from escaping into the atmosphere.
From field experience in Southeast Asia and the Middle East, many cooling towers lose more water through drift than expected, especially during hot and windy operation. In most cases, upgrading the mist eliminator system provides faster improvement than changing fans or pumps.

The core function of mist eliminator systems is to change the airflow direction several times so that water droplets hit the blade surface and fall back into the cooling tower. This process significantly reduces water loss and chemical carryover.
Escaping moisture can cause corrosion on nearby steel structures, electrical panels, and pipe supports. A properly selected mist eliminator system helps maintain a dry and safe operating environment.
When drift loss is reduced, makeup water demand becomes more predictable. This helps operators maintain stable water quality and easier chemical control.
Wave blade structures are widely used because they provide multiple air direction changes while keeping airflow resistance at an acceptable level.
Chevron-shaped blades increase the separation path of water droplets. They are often selected when stricter drift control is required.
Cellular mist eliminators combine many airflow channels into compact modules, suitable for large industrial cooling towers with high airflow volume.
PVC mist eliminators are commonly used for normal industrial cooling towers. They offer good corrosion resistance and stable shape under standard temperature conditions.
PP material is selected for higher temperature water or chemical environments where stronger resistance is needed.
FRP mist eliminators are used in heavy industrial systems where mechanical strength and long service life are required.
Well-designed mist eliminator systems maintain stable airflow at the air outlet, helping the fan work close to its design curve.
By reducing water carryover, mist eliminators protect cooling tower fill and Cooling Tower Media from uneven wetting and air turbulence.

Less drift loss means less makeup water and fewer chemicals leaving the system, resulting in lower long-term operating cost.
Most mist eliminator systems are supplied in standard panels that fit common cooling tower openings, allowing easy replacement.
For special tower shapes or retrofitting projects, mist eliminators can be manufactured based on customer drawings and airflow data.
Mist eliminator panels should be installed tightly without gaps. Any bypass path will reduce drift separation efficiency.
Operators should inspect mist eliminator systems regularly for deformation, broken blades, or blockage.
Water flushing is usually sufficient. In heavy scaling conditions, mild chemical cleaning may be applied.
Mist eliminator structure must match fan airflow volume. Overly dense designs increase pressure loss and fan load.
Water chemistry affects material selection. High temperature or aggressive chemicals require stronger materials such as PP or FRP.
Mist eliminators should work together with air inlet louvers and water collectors to achieve full splash and drift control.
Mist eliminator systems are key components for controlling drift loss and maintaining stable cooling tower operation. Proper structure selection, suitable materials, and regular maintenance help reduce water consumption and improve system reliability.
If you are not sure which mist eliminator system is suitable for your cooling tower, you can send us your drawings or operating data for reference.
Our engineers will recommend the right configuration based on real project experience and working conditions.
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