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Oil Extraction Plant Business

Oil Extraction Plant Business

Extracting oil from seeds can be done in many ways. Formerly oil extraction was done without using any machinery. “Necessity is the mother of invention”, proving this proverb right the demand of oil has  fueled the invention of many types of  oil extracting machinery. Hydraulic press extractor, screw oil press, solvent extractor and many other types of machinery are used today to extract oil. For extracting oil at a large-scale, oil extraction plant is required.

A number of methods are used for extracting oil. Solvent extraction, absolute oil extraction, resin tapping, cold pressing etc are some ways for extracting oil. Among them, solvent extraction method is the most modern method to extract edible oils in oil extraction plants.

For extracting oil different methods are used for different types of seeds. Every oil extraction plant is designed according to required norms and standards. A variety of extraction plants ie soya bean seed oil extraction plant, sunflower oil extraction plant, rice bran oil extraction plant, castor seed extraction plant, peanut oil extraction plant etc. is available now.

Soya bean oil extraction plant

Soya bean seeds contain 16-18% oil. Before starting the process of extraction these seeds needs to be prepared first. After collecting the seeds cleaning, destoning, cracking, cooking, flaking, expanding and drying is necessary. Then oil is extracted from the seeds of the oil extraction plant using the method of solvent extraction.

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Sunflower oil extraction plant

Sunflower oil is one of the most demanding oils in the market now. For its nutritional benefit, Sunflower oil consumption is increasing day by day. In India alone, around 1.8 MMT sunflower oil is consumed every year.

Sunflower seeds contain about 22-36% oil. At first, sunflower seeds are decorticated. Then they are provided for mechanical extraction. Extraction of a sunflower oil is done in two way. Either it is pre-pressed or screw pressed. But, after completion of these process, residual oil is left in the fully pressed cakes. So, to recover the leftovers solvent method of extraction is followed.

Rice bran oil extraction plant

Rice bran oil is mainly used as cooking oil. Refined rice bran oil is also known as heart oil. This oil is extracted from the germ and inner husk of rice.

In the beginning of processing oil, rice bran is screened. Then it is steamed over 100 °C. To ensure good perculation some prior preparation is required. After that rice bran oil can easily be obtained using solvent extraction method.

Peanut oil extraction plant

Peanut oil is also known as Groundnut oil or Arachis oil. It contains the benefits of olive oil. Like olive oil peanut oil is high in saturated fats, especially monounsaturated fat. It is also beneficial to heart health as it is enriched with vitamin E and phytosterols.

This oil is extracted using a special-use solvent, hexane. Hexane is also a cleaning agent. So, this process removes contaminants and produce oil at the same time.

Castor oil extraction plant

Castor oil is collected from the castor seed. Seeds contain 40-60% oil.
The process of extracting castor oil in an oil extraction plant is familiar with the process of extracting sunflower oil. First, the prepared castor seeds are pre-pressed . Then it is screw-pressed. Then the cake containing 10-12% residual oil is processed using the solvent method.

Some seeds like sunflower seeds, peanut seeds, castor seeds etc. are pressed in an oil extraction plant before solvent extraction. Two different methods of pressing are used in an oil extraction plant. They are:

  • Cold pressing: The process is continued at a temperature between 60-70°C.
  • Hot Pressing: Temperature above 110°C is needed for hot pressing.

Oil extraction plant is a vital element for any kind of edible oil industry. Machinery used for oil extraction is upgrading every day. They save time, labor and also increase oil output.

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