Part one discussed how the flue gas travels through the open spray design scrubber. Flue Gas Desulfurization, Open Spray, Part 2 discusses the process surrounding waste slurry, including cleaning and reuse.

This online training course explains the process for cleaning SO₂ out of flue gas. It also provides general knowledge of each system used in the process. This course includes:

• Maintaining scrubber slurry
• Blowdown system
• Pond return system
• Lime process
• Flyash process
• Scrubber inverters

This course is part of the Fundamental Aspects of Emission controls training series.