avsvavling

Avsvavling is a term used to denote the removal of sulfur or sulfur compounds from fuels, industrial gases, and chemical streams. The word is formed from a negating or separative prefix (av-) combined with a root related to sulphur (svavel in several North Germanic languages), and is often used as a translation or analogue of the English term "desulfurization."

In industrial practice, avsvavling encompasses a range of physical, chemical and catalytic processes aimed at reducing sulfur content to meet fuel specifications and emissions regulations. Common methods include flue-gas desulfurization (wet and dry scrubbers) for combustion exhausts, hydrodesulfurization in petroleum refining to remove organic sulfur from fuels, and chemical or biological treatments for industrial wastewater and gas streams.

Environmental and regulatory importance of avsvavling derives from sulfur dioxide and other sulfur oxides being precursors to acid rain, particulate pollution and adverse health effects. Effective sulfur removal reduces these impacts and enables compliance with air quality standards and fuel quality mandates.

The term is used primarily in technical and regulatory contexts and is related to broader topics such as emissions control, air pollution abatement, fuel processing and catalytic chemistry. Variants and synonyms include desulfurization, desulphurization and sulfur removal, each emphasizing similar sets of methods and objectives.