Päästökäsittely

päästökäsittely, also known in English as emissions treatment, refers to the technologies and processes used to reduce, control, or eliminate pollutants from industrial, vehicular, and other sources of exhaust gases before they are released into the atmosphere. The primary goal of päästökäsittely is to limit the environmental and health impacts of substances such as particulate matter, nitrogen oxides, sulfur oxides, volatile organic compounds, and greenhouse gases. Common techniques include catalytic converters, which transform harmful emissions into less dangerous compounds; particulate filters that capture fine soot particles; flue gas desulfurization units that remove sulfur dioxide; and selective catalytic reduction systems that lower nitrogen oxide levels. In the context of transport, vehicles are equipped with catalytic converters, diesel particulate filters, and oxidation catalysts to meet regulatory standards. Industrial facilities employ scrubbers, baghouses, and electrostatic precipitators, while power plants use flue‑gas treatment and carbon capture systems to comply with national and international regulations. Päästökäsittely plays a crucial role in achieving air quality objectives outlined in directives such as the European Union’s Air Quality Directive and national environmental legislation. Continuous monitoring, maintenance, and technological upgrades are essential to ensure that treatment systems remain effective and that emissions stay within legal limits.