deodorizer

in atmospheric chemistry
https://doi.org/10.1351/goldbook.D01596
Equipment for the removal of noxious gases and odours, which may consist of combustion, absorption, or adsorption units.
See:
emission control equipment (in atmospheric chemistry)
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2184 [Terms] [Paper]