Use of Bio-Diesel in Railways .What are Bio-Diesel Grades: B5, B10, B20, B50, and B 100? (Download PDF)


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Indian Railways has tested the bio-diesel of different feed stock (Jatropha, Mahua, pongamia, waste cotton seed, Fish Oil, Soyabeen oil, Palm stearin etc. ) in the different blending ratio such as B5, B10, B20, B50 and B 100.

Image of Biodiesel Cycle

Image of Biodiesel Cycle

Image of Biodiesel Cycle

  • Biodiesel can be used in pure form (B100) or may be blended with petroleum diesel at any concentration in most injection pump diesel engines.

  • The testing was done on its 16 cylinder ALCo and EMD engine test beds.

  • The power performance of engine has been found satisfactory without any adverse impact on engine working.

What Are B5, B10, B20, B50, and B 100 (Improtnat)?

  • 100 % biodiesel is referred to as B100

  • 50 % biodiesel, 50 % petro diesel is labeled B50

  • 20 % biodiesel, 80 % petro diesel is labeled B20

  • 10 % biodiesel, 90 % petro diesel is labeled as B10.

  • 5 % biodiesel, 95 % petro diesel is labeled B10.

Why Bio-diesel?

Petroleum is a limited resource. There is absolute unanimity in accepting that they shall one day be over. Thus, there is a need to look for alternatives. Bio-diesel has following advantages:

  • Is environment friendly- substantially reduces unburned hydrocarbons, carbon monoxide, and particulate matter in exhaust fumes.

  • Provides renewable Energy source

  • Derived from vegetable oil

  • Is non-toxic & biodegradable

  • Contains no sulphur that causes acid rain

  • Has higher Centane number what is, better ignition quality

  • Can be used directly in unmodified Diesel engines, neat or blended in any ratio with HSD (High Speed Diesel)

  • Prolongs engine life due to high lubricity

  • Has higher flashpoint than HSD, thus is safer to store & transport

  • Has rural employment potential.

- Published/Last Modified on: February 15, 2018

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