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Feature: Powering forward

A flue gas purification system at a power plant
A flue gas purification system at a power plant
Cleaning flue gases from renewable power plants is a difficult task for which only pumps designed to withstand the harshest environments will do

The world is gradually moving away from traditional energy production such as coal and gas, and, as a result of the drive towards sustainability in recent years, waste-to-energy and biomass power plants have become a popular production method. Like their fossil-fuel colleagues, however, these plants must remove or “scrub” potentially hazardous pollutants from the flue stage of the process.

The system requirements for flue gas cleaning depend on a long list of factors. Gas cleaning of complex flue gases can be realised in many ways, either in a few or several steps. Each plant is more or less unique, and must be evaluated separately to achieve an optimal solution. Gas-cleaning systems can typically be categorised as solutions to remove:

  • Particles or dust collection without the need for pumps

  • The water-soluble gases SO2, HCl, HF, and NH3, performed using either wet or dry gas cleaning

  • NOx (mainly NO)

  • ...

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A flue gas purification system at a power plant