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Function and technology in scrubber systems

Scrubber systems, also known as exhaust gas cleaning systems, are used to remove harmful components from exhaust gases before release. The process relies on circulating water or process fluids through the system to absorb and neutralise pollutants.

Scrubber pumps ensure continuous and controlled circulation of fluids within the system. Depending on system design, pumps handle seawater, freshwater, or chemical solutions under varying flow and pressure conditions.

From a technical perspective, scrubber pumps must operate reliably under demanding conditions. High temperatures, corrosive media, and fluctuating load profiles place strict requirements on pump design and hydraulic performance. In many installations, capacity regulation is required to match changing operating conditions and system demand.

Stable pump operation is essential to maintaining consistent scrubber performance. Pump technology must therefore support continuous operation, precise flow control, and long term reliability in challenging environments.

Application and operating environment

Scrubber pump systems are used in both marine and land based exhaust gas cleaning installations, where operating conditions and installation requirements differ. While the scrubber process is similar, the surrounding environment places different demands on system layout and operation.

In marine applications, scrubber systems are often installed as retrofits in vessels with limited available space. Pump systems must support varying operating profiles and integrate into complex piping arrangements while operating reliably under dynamic conditions.

In land based applications, scrubber systems are typically part of fixed industrial processes. Pump systems are expected to support continuous operation under more stable load conditions, with a strong focus on accessibility and long term reliability.

Across both environments, scrubber pump systems must operate reliably in demanding conditions involving aggressive media and elevated temperatures.

Related applications

Scrubber pump systems are part of a wider range of critical water handling applications used in marine and industrial environments.

Quality pumps, the best total cost of ownership

The DHBe is a vertical spacer coupled in line top pull out pump based on IRON Pump’s DHB series, merging the ECO design for casing and impeller with a tried and tested pump solution that has been in the market for over 15 years.

The DHBe pump is made for easy service-ability aboard vessels, allowing for the rotating element and cover to be removed without removal of the pipe connections or drive.

Being equipped with a dedicated bearing for axial loads reduces the strain on the electrical motor, allowing this pump type to handle medium duty operations and work at higher speeds.

Products

Relevant cases

Frequently asked questions

A scrubber pump circulates water or process fluids through a scrubber system to support the removal of pollutants from exhaust gases. Continuous and controlled fluid flow is essential for stable scrubber operation.

The purpose of a scrubber is to clean exhaust gases by removing harmful components before they are released. This is achieved by bringing exhaust gases into contact with water or chemical solutions that absorb or neutralise pollutants.

On ships, scrubbers are used as part of exhaust gas cleaning systems to treat emissions from engines and boilers. Scrubber pumps enable circulation of seawater or process fluids under varying marine operating conditions.

Scrubber pump systems operate under demanding conditions involving aggressive media, elevated temperatures, and varying load profiles. Reliable pump operation is critical to maintaining consistent scrubber performance in both marine and land based installations.

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