aftertreatment

Processing after production

Aftertreatment refers to processing that occurs after a primary treatment or manufacturing step.

Most commonly, it describes systems in diesel vehicles that reduce harmful emissions—catalytic converters, particulate filters, and similar equipment that clean exhaust gases after combustion: The truck's aftertreatment system needed replacement.

The term also appears in water treatment, textile finishing, and other industrial contexts where secondary processing refines an initial result.

automotive

emissions

Substances released into air

urea · diesel · tailpipe · soot · regeneration · oxidation · hydrocarbons · catalyst · retrofit · selective

industrial

scrubber

Pollution removal device

effluent · precipitator · electrostatic · adsorption · absorption · filtration · purification · smokestack · baghouse · cyclone

medical

therapy

Curative mental treatment

radiation · oncology · immunotherapy · palliative · remission · follow-up · postoperative · monitoring · outpatient · recovery

Opposites
temporal sequence in process

aftertreatmentpretreatment

Preparatory processing step

pre-treatment · pre-processing · preconditioning · preprocessing · preparation

Family

after, treat, treatment, treated, treats, treating, untreated, treatable, mistreatment

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Rated G