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Home / LEAD NEWS / Different aspects of edible oil refinery machine plant with turnkey solution

Different aspects of edible oil refinery machine plant with turnkey solution

Different aspects of edible oil refinery machine plant with turnkey solution
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The days of breaking edible oilseeds in the mill or in the old way are long gone. Now the edible oilseeds are broken down at the refinery plant to produce oil in the most modern way. All of these companies involved in technological innovation and business provide complete solutions to the oil plant. They can design, build, supply and manufacture edible or cooking oil refinery plants ranging from 5 tons to 500 tons per day on demand or more.

Cooking oil refinery:
Many present one of the most advanced cooking oil refinery plants for edible oil processing. Initially two types of processing are involved- batch type and continuous. Through these processes, the oil is separated from impurities and other materials, which may make it inedible for edible purposes. Refineries process oil in a continuous manner, such as neutralization, bleaching and deodorizing.

The oil that is finally produced from the processing plant is of an improved quality of light color. Also, keep in mind that the free fatty acids in the oil can also be filtered for edible grades. In addition, for sunflower and rice bran oil, an additional process of dewaxing is done to separate the wax.

Process of Edible Oil Refinery Plant:
As per the today market research it is being concluded that the market demands the refined edible oil with characteristics such as bland flavor and odor, clear appearance, light color, Long Shelf Life, Suitable for frying since the Crude Oil obtained does contains many harmful factors like free fatty acids (FFA), sediments, gums, odoriferous material & other impurities.

The refining of edible oils & fats is required after solvent extraction since the Solvent Extracted Crude oil does contains inherent harmful constituents like Free Fatty Acids (FFA’s), gums, sediments, odoriferous and colorings material, phosphatides, hydrocarbons, traces of pesticides & heavy metals etc.

Following sections (Depending on the nature of the oil either soft or hard oil):

  • Degumming, Neutralization & Water Washing.
  • Bleaching
  • Winterization / Dewaxing Plant
  • Deodorization
  • Palm Oil Fractionation Plant
  • Hydrogenation Plant

Degumming, Neutralization & Water Washing:
Degumming is a process of removing phospholipids to improve its physical stability and facilitate further refining. Phospholipids may lead to the dark colored oil and they may also lead to off -flavor. Free fatty acids, pigments and other impurities are also partially removed by degumming.

Different types of degumming processes are followed. Such as water degumming / acid degumming / enzymatic degumming. These processes are being selected based on the method of processing, the chemicals used and the content of phosphatides in the crude vegetable oil. Neutralizing of the free fatty acids with a slight excess of sodium hydroxide solution, followed by the washing out of soaps and hydrated phospholipids.

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Bleaching of edible oils and fats is an important part of the process of refining crude oils and fats. It eliminates various contaminants which adversely affect the physical appearance and quality of the oil. Oil also contains different amounts of impurities after degumming / neutralization. Many of these impurities need to be removed from oils in order to obtain high quality oils for edible use. To absorb bleaching dyes with natural or acid-activated clay minerals and to decompose hydro peroxides.

Deodorization is done by removing volatile elements, mainly aldehydes and ketones, including threshold values ​​for dictation by taste or smell. Deodorization is basically a vapor distillation process that takes place at low pressures of 2-6 kg / cm2 and high temperatures of 180-260 C. The whole process is done under high vacuum. The odor is removed in the deodorizer. The FFA physical type deodorizer is also removed.

Winterization / Dewaxing Plant
Winterization / Dewaxing is almost the same process. This process is applied to remove small amounts of solids from the oil which, when kept at refrigeration temperature, usually cause oil cloudiness.

These substances can be saturated glyceride or wax. Waxes are esters for fatty alcohols and fatty acids, which have very low solubility in oils. There are different amounts of different oils. In this process the cooling rate and movement are carefully controlled to promote the formation of nuclei that will act as sites for crystal growth.

Edible Oil Refinery Plant
The edible oil is processed in the refinery through various processes such as deodorizing, bleaching and neutralization. Edible oil refineries can refine almost all types of oil. The quality of refined oil depends on the type of crude oil and its chemical structure.

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