Wet Scrubber A Wet Scrubber is an air pollution control device used to remove pollutants, such as particulate matter, gases, and vapors, from industrial exhaust streams. It operates by passing the contaminated gas through a liquid (usually water or a chemical solution) that captures and neutralizes the pollutants. The liquid can be sprayed, misted, or bubbled through the gas stream, depending on the scrubber design. Common types of wet scrubbers include venturi scrubbers, packed bed scrubbers, a