Bio Diesel Plant

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Biodiesel Processing Plant


Biodiesel refers to the addition of a methyl group to the aliphatic chains in vegetable oils or animal fats rendering them equivalent to the properties of dieseline. This is done by chemically reacting lipids (e.g., vegetable oil, Fatty acids, animal fat and used cooking oil) with an alcohol producing fatty acid esters.


The transesterification of the raw oil will be done by using the classical alkali-process. The catalyst solution will be prepared in a separate tank: Potassium hydroxide is fed from a big-bag into the reactor via dosing system. Then methanol is added. The catalyst KOH (Potassium Hydroxide) will be prepared as approx. 12.5%- methanolic solution. Methanol, the catalyst solution and the input oil will then be mixed in the transesterification reactor. The precipitation and separation of the phases bio diesel and glycerine takes places via gravity in the following separation tank.

The glycerine phase will be discharged from bottom of the separation tank.

Feed Stock Of Biodiesel

  • Vegetable Oils
  • Used Cooking Oil
  • Fatty Acid
  • Acid Oil
  • Rbd Oils Such As Palm Sterine
  • Animal Fat (TALLOW)


  • Direct esterification of the free fatty acid by
    • use of acid catalysts
    • use of heterogeneous catalysts both in the presence of Methanol.
  • Through glycolysis
  • The process to be discussed today will discuss methyl esterification using the liquid phase catalysis.

Biodiesel Processing Through different Feedstock


Acid Oil Feed Stock

Fatty Acid Feed Stock

Palm Stearine Feed Stock

Product Specification

1. DENSITY@15°C 860 – 900 Kg./m⊃3;.
2. VISCOSITY@40°C 3.5 – 5.0 mm⊃2;/s.
3. FLASH POINT 120°c Minimum.
4. POUR POINT Country specific.
5. ALCOHOL CONTENT 0.2% Maximum.
6. WATER 500 PPM Maximum.
7. SULPHUR 10 PPM Maximum
8. ESTER CONTENT 96.5% Minimum.
9. ACID VALUE 0.5 Maximum.
10. TOTAL GLYCEROL 0.25% Maximum.
11. PHOSPHORUS 10 PPM Maximum.
12. CETANE NUMBER 51 Minimum.
13. CONTAMINANTS 24 PPM Maximum.

Biodiesel Blends

Blends of biodiesel and conventional hydrocarbon-based diesel are products most commonly distributed for use in the retail diesel fuel marketplace. Much of the world uses a system known as the "B" factor to state the amount of biodiesel in any fuel mix:

  • 100% biodiesel is referred to as B100)
  • 20% biodiesel, 80% Petro diesel is labelled B20
  • 5% biodiesel, 95% Petro diesel is labelled B5
  • 2% biodiesel, 98% Petro diesel is labelled B2

Advantage of Biodiesel Plant


  • Any Vegetable oil / Used Fried Oil / by-products of Refinery can be Processed
  • Very Low Soap Formation
  • Soap removal without use of Methanol
  • Reduced Catalyst Consumption
  • I Conversion Rate is very High 
  • Low Methanol Consumption
  • Pharma Grade Glycerin 
  • High Quality Bio Diesel as per Internal Standards 
  • Highly Energy Efficient Plant
  • Utility Consumption very Low
  • Waste Water is very low 
  • Emission Standard very low
  • Fully Automatic PLC Operated Plant 
  • 100 % customized Plant available in Batch Type & Continuous Type
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