16 Sep 2015

Biodiesel refers to a vegetable oil- or animal fat-based diesel fuel consisting of long-chain alkyl (methyl, ethyl, or propyl) esters. Biodiesel is typically made by chemically reacting lipids (e.g., vegetable oil, animal fat (tallow)) with an alcohol producing fatty acid esters.
Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable and waste oils used to fuel converted diesel engines. Biodiesel can be used alone, or blended with petrodiesel in any proportions. Biodiesel can also be used as a low carbon alternative to heating oil.

The National Biodiesel Board (USA) also has a technical definition of “biodiesel” as a mono-alkyl ester.

Properties :

  • High Cetane.
  • High lubricity
  • Comparable BTU content
  • Readily mixes with diesel
  • Ready to use in diesel Run Engines

Benefits :

  • Environment friendly
  • Renewable fuel
  • Clean burning
  • No engine modification
  • Increase in engine life
  • Biodegradable and non-toxic
  • Easy to handle and store
  • Reduction of green house gas emissions
  • Sustainability

BIODIESEL SPECIFICATION

Properties Unit DIN51606(1997) ASTM(2001)6751
Density g/cm² 0.875-0.90
Corbon Residuce(100%) % mass Max 0.05 Max 0.050
Ash Content %mass Max 0.02 Max 0.020
Total Sulfur % mass Max 0.01 Max 0.05
Cetane No. Min 49 Min 40
Flash point ⁰c Min 110 Min 100
7 Density@150C kg/m3 883.0 874.0
8 Boiling Point 0C 215 – 376 > 290
9 Melting Point 0C NA 12
10 Pour Point 6-18 16

The comparative study report for the HSD & Biodiesel (PME)

S.No Parameter HSD (Petro Diesel) PME Bio Diesel
1 Cetane No 45 58 – 62
2 Carbon Residue % mass 0.35 <0.05
3 Flash Point 0C 60 >145
4 Sulphur Content% mass 0.25 0.0000
5 Viscosity@400C 1.8-5.0 4.5-4.8
6 Calorific Value Kcal/kg 10700 9600
7 Density@150C kg/m3 883.0 874.0
8 Boiling Point 0C 215 – 376 > 290
9 Melting Point 0C NA 12
10 Pour Point 6-18 16

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