Chemical Batch Type Vegetable Oil Refinery Plant

Section Introduction:

Batch Type Vegetable Oil Refinery Plant Batch Type Vegetable Oil Refinery Plant, procedures are carried out in series of neutralizing, bleaching & deodorizing for a measured quantity of oils Batch process is recommended for plants capacity as it is low.

We present one of the most developed Cooking Oil Refinery Plant for processing of edible oil. There are primarily involved two types of processing- batch type and continuous. Through these processes, the oil is separated from impurities and other materials that can make it unfit for edible purpose. The refinery plants process the oil in a series of procedures like neutralizing, bleaching and deodorizing.

Batch Type Vegetable Oil Refinery Plant
Batch Type Vegetable Oil Refinery Plant, procedures are carried out in series of neutralizing, bleaching & deodorizing for a measured quantity of oils. Batch process is recommended for plants capacity as it is low cost and easy to operate. There are present different foreign impurities and unfiltered matter from the seed such as gums, mucilage, coloured & in crude oil extracted from expellers or solvent extraction plant. The free fatty acids (FFA) present in oil deteriorate the quality, thus, making its unfit for edible purpose.

The batch refining process consists of following section :
Neutralizing / Degumming
Bleaching Section
Deodorizing Section.

First stage is neutralizing process in caustic soda treatment is performed to remove free fatty acids (FFA). For removing color from the oil, further processing is down in bleaching section under vacuum conditions using bleaching earth and activated carbon. High vacuum and temperature is also maintained for deodorizing and removing odor from oil. The quality of edible oil extracted from the batch refinery is good, in accordance with the international standard. Dewaxing is an added process carried out after bleaching, especially in case of sunflower and rice bran oil.

Neutralisation
Neutralizer to remove the Free Fatty Acids (FFA) by adding caustic soda. Oil is heated up to about 60°C by heating coils and oil is stirred by stirrer. Then soap stock formed due to chemical reaction between free fatty acid and caustic soda which are allowed to settle at the bottom of the neutralizer from where it is taken out into soap stock tank.This oil is washed with hot water to reduce extra caustic and soap ppm in the neutral oil.Some oil like Soya bean oil requires to Degumming, the process in batch system calculate amount of phosphoric acid add before adding caustic in neutralizer.

Bleaching
Neutralise oil is heated in bleacher at 100’C to 110’C under vaccume.After reaching the temperature by adding Bleaching earth the color remove by the process called adsorption process. Where all coloring pigments are adsop on the surface of the bleaching earth, this is catalytic reaction. Color pigments and bleaching earth remove by filtering system.

De odorize
The bleached oil is heated in the de odorize to remove odoriferous materials like phenols tocopherols aldehydes, ketones which are basic responsible for color of oil. This all odoriferous material evaporates by high temperature at 180’C to 240’C under high vacuum systems.Thermic Fluid Boiler, Vacuum Pump, Barometric Condenser, Catchol, Steam Generator etc. play their role in the refining process. So these equipments are part of the refinery and connected with the vessels through pipelines.

Cooler
De odorized oil is requires cooling at atmospheric temperaturtre to avoid oxidation.De odorized oil cool in the cooler with cooling media upto 45’c.Before sending this oil for final packaging oil is pass through the bag filter

Dewaxing
Like sunflower oil which contain some wax is requires to remove before packing. This process oil is pass through chill media reduce the temperature at the 5’C to 10’C then pass through the filter to remove wax.

The equipment involved are Neutralizer, Bleacher, Deodorizer, Heat Exchanger, High & low vacuum equipment & Filters. we with batch process have been operating at number of places, processing variety of vegetable oils.

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if you want to know more the vegetable oil processing machines and cooking oil refinery plants, pls feel free to contact us.

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