Classe · NACE Rev. 2.1 / TEÁOR'25
35.21 Produção de gás
Manufacture of gas
As notas explicativas oficiais são apresentadas em inglês.
Esta classe compreende
- production of gaseous fuels for energy supply through a gas distribution network (e.g. by carbonation of coal, gasification of lignite, electrolysis or methanisation)
- production of gaseous fuels for energy supply with a specified calorific value, by purification, blending and other processes from gases of various types, including natural gas or hydrogen
- production of biogas for the purpose of gas supply (e.g. from sewage sludge, manure, waste)
- production of gaseous biofuels for energy supply through a gas distribution network
Esta classe compreende também
- cleansing of biogas for energy supply through a permanent network
- regasification of natural gas for distribution through mains
Esta classe não compreende
- extraction of crude natural gas, see 06.20
- production of coke oven gas, see 19.10
- manufacture of refined petroleum products, see 19.20
- production of liquefied petroleum gas (LPG), see 19.20
- manufacture of industrial gases, see 20.11
- production of hydrogen, not for energy supply through a network, see 20.11
- manufacture of basic organic gases, not for energy supply through a network, see 20.14
- production of blast furnace gas, see 24.10