Castor oil manufacturing process machinery
Castor Oil Manufacturing Process Machinery Introduction:
The castor oil extraction process is a very important processes occurring in the castor oil manufacturing process machinery.The complete castor oil manufacturing process machinery includes castor oil extraction machine,castor oil filtration &purification machine and castor oil refining machine.
Castor oil manufacturing process mahcinery
Castor Oil Extraction Process:
Castor seed is grown commercially on plantations. However, it is can also be harvested from wild plants. Castor seed must be hulled after harvesting by laboriously using the hand, or typically, by using a castor oil mill machinery.
Extraction of oil from castor seeds is done in a manner similar to that for most other oil seeds.The ripe seeds are allowed to dry, when they split open and discharge the seeds.
The seeds are dehulled after harvesting. Dehulling can be done by hand (laborious) or, more commonly, by machine. Small-scale hand-operated dehullers are also available.The dehulled seeds are cleaned, crushed,flaked ,cooked and dried prior to oil extraction workshop. Cooking is done to coagulate protein (necessary to permit efficient extraction), and for efficient pressing.
The first stage of oil extraction is pre-pressing, normally using a high pressure continuous screw press – called the expeller. Extracted oil is filtered, and the material removed from the oil is fed back into the stream along with fresh material. Material finally discharged from the press, called castor cake, contains 8-10% oil. It is crushed into a coarse meal, and subjected to solvent extraction with heptane to extract further oil.
Castor oil pretreatment process machinery
Castor Oil Filtration & Purification Process:
Once the oil has been extracted from the seed, it is necessary to remove impurities present in the oil. The filtration systems are designed to remove particulates, water, dissolved gases, and acids. The equipment that is normally used for filtration is a filter press.
Castor oil filtration machine
Castor Oil Refining Process:
The filtered oil (called the crude or unrefined oil) is sent to the oil refinery. The steps to refine the crude oil include:
Small scale castor oil refining methods
Degumming process of crude castor oil:Done to remove the aqueous phase from the lipids, and to remove phospholipids from the oil.
Neutralization process of crude castor oil:The neutralization step is necessary to remove free fatty acids from the oil.
Bleaching process of crude castor oil:Bleaching results in the removal of coloring materials, phospholipids and oxidation products.
Deodorization process of crude castor oil:Deodorization results in the removal of odour from the oil.
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