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Home » Cooking Oil Refinery Plant

Cooking Oil Refinery Plant

Batch Oil Refinery Continuous Edible Oil Refinery Plant

In batch oil refinery process or cooking oil refinery process, a measured quantity of oils is processed in sequence of neutralizing, bleaching & deodorizing.

Crude oil obtained from expellers or solvent extraction plant contains foreign impurities such as mucilage, gums, coloured & unfiltered proteinous matter from the seed. Also Free Fatty Acids (F.F.A.) which tend to deteriorate the oil on storage, thus making it unfit for edible purpose.

This is basically known as Vegetable Oil Refinery Plant.

The batch refining process consists of following section
  • Neutralizing Section
  • Bleaching Plant
  • Deodorizing Section.

Diagram Batch Refinery

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Continuous Edible Oil Refinery Plant

Neutralizing Section

First stage of refining is to remove Free Fatty Acids (F.F.A.) with caustic soda treatment called Neutralizing Process, thereafter further processed in the bleaching section under vacuum & treated with bleaching earth & activated carbon for removing colour. Finally it will be deodorized under high vacuum and high temperature to remove the odour from the oil.

The edible oil obtained in a batch refining is of good quality meeting all requirement of International standard. However, in case of Sunflower and Rice Bran Oil, there is one more process of De- Waxing after bleaching process.

Continuous Refining
The refining of FATS and OILS is comprised of Degumming, Alkali refining and Water Wash. There are few choices to choose, short / long mixed process with Degumming or GUM Conditioning.

FATS and OILS containing gums and FFA (Free Fatty Acid) are required to be removed by refining process for producing quality refined oil.

GOYUM provides a perfect process using Centrifuges from the best manufacturers.

Bleaching Plant

The Oil received from previous stages contains traces of soap, iron and few ppm of Phospholipids and Carotenes. These contents are undesirable and required to be removed in Bleaching Operation, GOYUM's Steam Agitated Bleacher comprises an acid treatment, a separate Oil and Earth Mixing Device with Mechanical Mixer (this arrangement ensures no carryover of bleaching earth into vacuum system), main bleaching vessel and Hermetic Filters.

Continuous Bleaching Plant

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Dewaxing and Winterisation (Fractionation)

A very simple requirement of this process is to produce Clear, Brilliant refined oil and to meet certain specifications of Cloud Point.

GOYUM offers a perfect and highly effective Crystallisation and Filtration process, simply it is composed of Homogenise, Crystalliser and Self Cleaning Filter Equipment with Sequential Cooling System.

GOYUM know-how gives you an arrangement; you have been looking for since long.

Dewaxing and Winterisation

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Our Crystalliser is Geometrically Designed for Uniform Cooling and effective Nuclei growth of particle.

Self Cleaning Filter Equipment is also a latest design and having the facility of maintaining filtration temperature and not affected by Ambient Temperature.

If your feedstock stems from palm oil or animal fats, there is a direct natural way to modify it to ensure that it acquires greater value. By separating the feedstock into liquid solid fractions, or by combining different fractions, you can create the products that can match your's customers exact specifications.

Fraction consists of gently cooling oils or fats in an accurately controlled process, making it possible to crystalize the hard fat content.

In dry fractionation, the fat is kept at a temperature at which it is in a partially liquid from. The crystals are then separated from the liquid fraction by membrane filtration. The result is two distinct products with different physical properties and melting points.

This can be achieved with absolutely no chemical modification, making this the "natural" way to produce hard fats.

Deodorizing Section

Physical Refining process is used to remove FFA (Free Fatty Acid), using Steam Distillation method at high temperature and under high vacuum and it is followed by Deodorisation and an extra technical facility is added before deodorisation for removal of free fatty acid.

Deodorisation process is used to remove unacceptable odour by Steam Distillation, the Odoriferous Compound are strip off with the help of live injected steam into heated oil under high vacuum.


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GOYUM Deodorising tower has several features:
  • Maximum heat recovery
  • Zero Percentage Contamination
  • No Trans-Isomer generation
  • Quick & Maximum flexibilities in feed material
  • Large surface area exposure to vacuum
  • Minimum carryover of oil with fatty acids
  • Low Steam Consumption
  • Suitable temperature for addition of anti-oxidant
  • No packing / filling material inside
  • No Short circuit of oil in process
  • Practically no maintenance

Strategically design, combination of tower and fatty acid scrubber, ensure practically no carryover of fatty acids into vacuum system.

GOYUM also have economically designed Deodoriser and Physical Refining Plant for different and lower capacities.

Dry Fractionation

GOYUM's know-how provides a Low Operating Cost Fractionation Plant which gives high Olein / soft stearin yields at established control i.e. PLC (automation) for efficient working and reliability of the plant.

The separation of Stearin and Olein is continuously done on Rotary Vacuum Drum Filter and its principle is simple, whereas Crystallization process involves a perfect technique to develop and grow the particles size for easy smooth separation of Stearin and Olein.

Our technique ensures you a Perfect Technology.


Hydrogenation which is also called Fat Modification is unique 3 phase process system: Solid (Nickel Catalyst), Liquid (Oil) and Gas (Hydrogen). Further a selective reaction, by bringing gas—hydrogen, liquid—oil to the solid—Ni Catalyst and this technological concept formalised an Engineering Design. GOYUM offers Hydrogenation / Fat Modification Plant, which has several benefits.

  • Low Catalyst Consumption
  • Maximum Utilization of Hydrogen Gas
  • Best Possible Heat Recovery
  • Low Capital Cost
  • Easy to Increase the Capacity of the Plant

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