flue gas scrubber

in atmospheric chemistry
https://doi.org/10.1351/goldbook.F02447
Equipment for removing fly ash and other objectionable materials from the products of combustion by means of sprays or wet baffles.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2189 [Terms] [Paper]