gas mixture
gaseous mixture of multiple chemical substances
acid gas
particular typology of natural gas or any other gas mixture containing significant quantities of hydrogen sulfide (H2S), carbon dioxide (CO2), or similar acidic gases.
landfill gas
complex mix of different gases created by the action of microorganisms within a landfill
water gas
mixture of carbon monoxide and hydrogen
Hot blast
preheating of air blown into a blast furnace
soil gas
soil -exchange of gases between plant roots and the atmosphere
breathing gas
gas used for human respiration
firedamp
flammable gas found in coal mines
exhaust gas
emitted as a result of the combustion of fuels such as natural gas, gasoline, petrol, biodiesel blends, diesel fuel, fuel oil, or coal
damp
any hazardous gas found in mines