Biodiesel Data, Stats & Facts

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See also the following sections under Biodiesel

Biodiesel Data & Stats

Did you know? Algae are expected to yield 200 times the oil than most other field crops

Biodiesel‘s has physical properties very similar to conventional diesel (source: Alternative Fuels Data Center, Department of Energy, Govt of USA)

Biodiesel's Physical Characteristics
Specific gravity	0.87 to 0.89
Kinematic viscosity @ 40°C
3.7 to 5.8
Cetane number	46 to 70
Higher heating value (btu/lb)	16,928 to 17,996
Sulfur, wt%	0.0 to 0.0024
Cloud point °C	-11 to 16
Pour point °C	-15 to 13
Iodine number	60 to 135
Lower heating value (btu/lb)	15,700 to 16,735

Typical Extraction Yields of Oil from Oilseeds

(Kg of oil from 100 Kg of oilseed)

Oilseed Extraction

Castor 36
Palm 36

Rapeseed 37

Soybean 14

Sunflower 32

Yield of Various Plant Oils

Crop Oil in Liters per hectare

Castor 1413

Sunflower 952

Safflower 779

Palm 5950

Soy 446

Coconut 2689

Some Gasoline/Petrol & Diesel Facts:

Sulfur Content: 0.05 percent maximum allowed for diesel

Density: 7.076 lb/gal (diesel) 6.15 lb/gal (gasoline)

Heating Values: Diesel: 19300 Btu/lb (136,567 Btu/gal); Gasoline: 20300 Btu/lb (124,845 Btu/gal) - Approximately 45-47 GJ/T

American standard testing methods (ASTM) tests and limits for Diesel fuels

Test ASTM Test No. ASTM limits for no. 2 Diesel fuel

Carbon residue (wt.%) D 524 0.35 % max.

Cetane no. D 613 40 min.

Distillation range (K) D 86 555–611

Flash point (K) D 93 325 min.

Higher heating value (MJ kg_1) D 2015 45.2 min.

Viscosity (mm2 s_1) D 445 1.9–4.1

Kinematic Viscosity Specs & Standards

Specifications: (viscosities in mm²/s)

Europe Petrodiesel: 2.0–4.5

Europe Biodiesel : 3.5–5.0

US specification of viscosity for low-sulfur No.2 diesel fuel: 1.9-4.1 mm²/s (this is the fuel that is biodiesel is most often compared to)

US Specification for No. 1 diesel fuel is 1.3–2.4 mm²/s.

Most alkyl esters of vegetable oils have kinematic viscosities less than 5.0 mm²/s.

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About Oilgae - Oilgae - Oil & Biodiesel from Algae has a focus on biodiesel production from algae while also discussing alternative energy in general. Algae present an exciting possibility as a feedstock for biodiesel, and when you realise that oil was originally formed from algae - among others - you think "Hey! Why not oil again from algae!"

To facilitate exploration of oil production from algae as well as exploration of other alternative energy avenues, Oilgae provides web links, directory, and related resources for algae-based biofuels / biodiesel along with inputs on new inventions, discoveries & breakthroughs in other alternative energy domains such as solar, wind, nuclear, hydro, geothermal, hydrogen & fuel cells, gravitational, geothemal, human-powered, ocean & wave / tidal energy.

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