Classe · NACE Rev. 2.1 / TEÁOR'25
20.11 Fabricação de gases industriais
Manufacture of industrial gases
As notas explicativas oficiais são apresentadas em inglês.
Esta classe compreende
- manufacture of liquefied or compressed selected inorganic industrial or medical gases:
- elemental gases
- liquid or compressed air
- mixed industrial gases
- inert gases (e.g. carbon dioxide)
- isolating gases
Esta classe compreende também
- production of hydrogen, not for energy supply through a network
Esta classe não compreende
- extraction of methane, ethane, butane or propane, see 06.20
- liquefaction and regasification of natural gas for the purpose of transport, done at the mine site, see 09.10
- manufacture of fuel gases (e.g. ethane, butane or propane in a petroleum refinery), see 19.20
- manufacture of refrigerant gases of halogenated hydrocarbons, see 20.14
- manufacture of gaseous fuels from coal, waste, etc., see 35.21
- manufacture of hydrogen for the provision as a gaseous fuel through a permanent supply network, see 35.21