Table 3 Parameters related to combustion processes4.
From: China economy-wide material flow account database from 1990 to 2020
Materials | Content | ||||
|---|---|---|---|---|---|
Oxygen | Hydrogen | Others | Moisture | ||
Air emissions | CO2 | 73% | — | 27% | — |
N2O | 36% | — | 64% | — | |
NOx | 70% | — | 30% | — | |
CO | 57% | — | 43% | — | |
SO2 | 50% | — | 50% | — | |
Fossil fuel materials | Wood fuel and others | 35% | 5% | 45% | 15% |
Raw coal | 10% | 3% | 37% | 50% | |
Stone coal | 4% | 5% | 76% | 15% | |
Oil shale and tar sands | 0% | 2% | 91% | 7% | |
Peat | 25% | 7% | 34% | 35% | |
Crude oil, condensate and natural gas liquids | 0% | 12% | 87% | 1% | |
Natural gas | 0% | 25% | 75% | 0% | |
