Conversion Units. (all in Lower Heating Values, LHV). Except where stated "t" refers to an oven dry tonne of biomass (1,000 kg, 0% moisture)
Energy Contents.
1 t wood |
15 GJ (airdry, 20% moisture; 20 GJ, 0% moisture) |
1 t Oil Equiv. (TOE) |
42 GJ (MTOE = 1 million TOE) |
1 t Coal |
30 GJ |
1 t Charcoal |
28 GJ |
1 bbl |
1 barrel oil 159 1 = 1/7 t (approx.) |
Acronyms.
BEDP |
Bagasse Energy Development Programme (Mauritius) |
BIG |
Biomass Integrated Gasifier |
STIG |
Steam Injected Gas turbine |
ISTIG |
Intercooled STIG |
CHP |
Combined Heat and Power |
CEST |
Condensing Extraction Steam Turbine |
GEF |
Global Environment Facility of the World Bank |
GHG |
Green House Gases |
GT |
Gas Turbine |
GTCC |
Gas Turbine Combined Cycle |
MSW |
Municipal Solid Waste |
NPP |
Net Primary productivity (t/ha/yr) |
NUE |
Nutrient Use Efficient |
PAR |
Photosynthetically Active Radiation |
PET |
Potential Evapo-Transpiration |
P/PET |
Precipitation/PET |
PV |
Photovoltaics |
RIGES |
Renewables Intensive Global Energy Scenario {Johansson et al. 1993} |
RME |
Rape Seed Methyl Ester |
SEDP |
Sugarcane Energy Development Project Mauritius) |
SRWC |
Short Rotation Woody Coppice |
WUE |
Water Use Efficiency |
International Units.
J |
Joule |
1 ha |
hectare =2.47 acres |
1 t |
metric tonne = 1,000 kg |
1 btu (British Thermal Unit) |
1.054 kJ |
1 calorie |
4.19 J |
1 kWh |
3,600 J |
1 W |
1 Js |
n = nano = 10-9
m = micro = 10-6
m = milli = 10-3
k = kilo = 103
M = mega = 106
G = giga = 109
T = tera = 1012
P = peta = 1015
E = exa = 1018
Chemical.
CO2 = carbon dioxide
CH4 = methane
CH2OH = methanol
C2H4OH = ethanol
H2O = water
C = carbon
N = nitrogen
P = phosphorus
K = potasium