Castor oil is obtained from the castor bean seed. The processing and extraction of castor oil are usually achieved using the same method as other vegetable oils, such as groundnut/peanut oil, soybean oil, palm oil, sunflower oil, mustard oil, cottonseed oil, coconut oil and more. Just like other oil extraction, the oil is extracted from the castor seed by mechanical pressing. In this case, castor oil extracting is done in the castor oil processing plant.
Castor Oil Processing Business
There are several sizes and brands of castor oil processing plants available and the choice depends on the units or size of production. You may not need a castor oil processing plant if you aim for a one-off production, but you will sure need it if you are planning to produce castor oil for commercial purpose. (Related Post: Commercial Oil Press Machine)
Castor Oil Processing Plant Setup Tips
There are some basic things you must know about the castor oil processing plant setup. Castor oil processing plant makes use of the screw oil pressing technology which is mechanical in nature and the oil is extracted continuously via a connection or a series of castor oil extraction machine. There are many benefits using screw oil extraction for the oil processing plant, including:
- The machine and equipment save energy and reduces the cost of castor oil production
- The cost is relatively less compared to other types of oil processing plant. But the exact cost is decided by the capacity or the production size of castor oil
- Most castor oil processing plants are versatile. They can be used for the extraction and processing of oil from other seeds like sunflower, peanut, soya beans, palm kernel, cottonseed, moringa seed, etc.
Castor Oil Processing Machines at Factory Price
Although starting castor oil business by setting up a complete castor oil processing using screw oil pressing method seems profitable and avaialble, it still have many things you should take into consideration, including plant location, technology and equipment selection, factory layout and functions partitioning, onsite installation and commissioning and more.
Castor Oil Extraction & Refining Procedures
- Castor Seed Collection
Castor plants are processed when they are ripe. First, ripe castor plants are placed outside on a hot day for drying. At some point, the plant will split open and the seeds can then be gathered.
- Castor Seed Dehullling
The gathered seeds are set aside for dehulling which can be done manually or with the use of a hulling machine. The Peeling Machine can also be used.
- Castor Seed Cleaning & Cooking
The dehulling process is very important and must be done with caution. After dehulling, the seeds are then cleaned and cooked. Cooking of the seeds is helpful in coagulation of the protein. In addition to this, cooking of castor seeds allows the pressing to be done easily and efficiently. (See More: Auxiliary Equipment in Cooking)
- Castor Oil Pressing
Pressing of the castor seeds is done in two phases; the initial pressing and the castor cake pressing. The initial pressing is a high-pressure pressing. It is continuous and it utilizes the Screw Oil Press Machine in sieving oil from the seed. (See More: Castor Oil Press Machine)
- Castor Oil Filtering
The extracted oil is not clean and as such, must be filtered. The by-product of the extraction; the castor cake contains about 15% of castor oil and further pressing can be done on the castor cake for more castor oil extraction. Impurities are removed during the filtration and purification process. The filtration process is by the Oil Filter Machine. During filtration, castor oil is treated to get rid of all the solid particles, strange gases, water, and foreign substances.
- Castor Oil Refining
The filtered oil is crude and unrefined. Then, the oil is refined to get rid of phospholipids which are fatty in nature. Neutralization and bleaching process removes all colouration and oxidation substances from the oil. Lastly, the oil is deodorized. The deodorization stage is the stage where all strange odours are removed from the oil. (Read More: Mini Oil Refinery Plant Cost)
Castor oil market is very large. Some of the giants in castor oil production are India, South Africa, Brazil, and China. The oil is largely required in the food and beverage industry, pharmaceuticals industry, etc. Recent Castor Oil Extraction Project Setup by ABC Machinery is 10TPD castor oil processing plant in Colombia.
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