The Stainless Steel Scrubber Column (also known as a stainless steel spray tower, purification tower, or acid mist scrubber) is a core purification device in industrial exhaust gas treatment systems. It is specifically designed to remove acid gases, alkaline gases, organic vapors, and irritating odors generated during industrial production processes. The unit is widely used in the chemical, pharmaceutical, electroplating, electronics, metallurgical, and other industries requiring gas treatment.
The main body is constructed from high-quality stainless steel (304 or 316), offering excellent corrosion resistance, high-temperature resistance, and structural strength, ensuring long-term stable operation under harsh working conditions.
Working Principle
This product operates on the counter-current gas-liquid contact absorption principle. Exhaust gas enters the bottom inlet of the tower and flows upward through the packing layer. Simultaneously, scrubbing liquid is sprayed from the top through a liquid distributor and flows downward over the packing. The gas and liquid phases come into full contact on the packing surface, where pollutants are transferred from the gas phase to the liquid phase via physical absorption and chemical reactions.
The purified gas passes through a mist eliminator at the top of the tower to remove entrained droplets before being discharged through the top outlet, meeting emission standards. The scrubbing liquid returns to the sump at the bottom of the tower, is pressurized by a recirculation pump, and is reused, effectively conserving water and chemical consumption.
| Parameter | Available Range |
| Tower diameter | Φ500 mm ~ Φ4000 mm (customizable) |
| Tower height | 3000 mm ~ 12000 mm (customizable) |
| Treatment capacity | 1,000 ~ 100,000 m³/h |
| Removal efficiency | ≥90% ~ 95% |
| Operating temperature | ≤200°C (ceramic packing available for high-temperature application |
| Body material | SUS304 / SUS316 / SUS316L (optional) |
| Packing type | PP Pall rings, hollow balls, ceramic packing, etc. |
| Number of packing layers | 1~3 (customizable) |
| Number of spray layers | 1~3 (customizable) |
Please provide the following process parameters for proper sizing:
Gas type, composition, and concentration
Flow rate (m³/h)
Gas temperature (°C)
Required emission standards
Site installation constraints
A scrubber tower is not merely a device that sprays and washes.
It is a core environmental protection unit that directly determines:
Whether emissions meet compliance
How high your operating costs are
Whether your production line can run without interruption
The Principle Is Simple — But Matching Is Key
Exhaust gas flows upward, scrubbing liquid flows downward.
Pollutants are transferred from the gas phase to the liquid phase, completing the purification.
But what truly matters is never the “size” of the tower ,it’s whether the parameters match your specific conditions:
Gas velocity
Contact time
Packing height
Liquid distribution uniformity
Mist elimination effectiveness
