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Biodiesel Data, Stats & Facts - Reference & Resources

Nature gave us oil from algae; perhaps we should try Nature’s way again

Biodiesel Data & Stats

 

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

 

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 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.

Notes:

  • We’d like to regularly add more useful content and web resources to Oilgae.com. Should you know of any good web resource for Biodiesel production from algae, do let us know by sending a note to [narsi]@[esource].[in] (remove [ ] for the email address). Many thanks for your patience.
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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.