PKD 35.21.Z—Production of gaseous fuels

Where 35.21.Z sits

1. D Production and Supply of Electricity, Gas, Steam, and Air For Air Conditioning Systems
2. 35 Generation and supply of electricity, gas, steam, and air for air conditioning systems
3. 35.2 Production of gas fuels and distribution and trade of gas fuels in the network system
4. 35.21 Production of gaseous fuels
5. 35.21.Z Production of gaseous fuels

What 35.21.Z includes

• Production of gaseous fuels (e.g., by coal carbonization, lignite gasification, electrolysis, or methanation) for energy purposes in a network system,
• Production of gaseous fuels with a specific calorific value through purification, blending, and other processes from various gases, including natural gas or hydrogen, for energy purposes in a network system,
• Production of biogas (e.g., from sewage sludge, manure, waste) for gas supply purposes,
• Production of gaseous biofuels for energy purposes in a network system,
• Purification of biogas for energy purposes in a network system,
• Regasification of natural gas for distribution through a network.

What 35.21.Z excludes

• Mining of natural gas, see 06.20.Z,
• Production of coke oven gas, see 19.10.Z,
• Production of refined petroleum products, see 19.20.Z,
• Production of liquefied petroleum gas (LPG), see 19.20.Z,
• Production of industrial gases, see 20.11.Z,
• Production of hydrogen for other than energy purposes in a network system, see 20.11.Z,
• Production of basic organic gases for other than energy purposes in a network system, see 20.14.Z,
• Production of blast furnace gas, see 24.10.Z.

35.21.Z in other systems