Castor Oil Processing Plant Setup Tips

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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 making business
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. 

main castor oil processing machine at factory price
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. 

how to start your own production line with best business plan

Castor Oil Extraction & Refining Procedures

castor oil processing plant for commercial uses
  • 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 Decorticating Machine (Dehulling 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.

Castor Oil Manufacturing Business Potential Worldwide

  • Which Country Produce Castor Oil Seeds Most?

Castor seed is cultivated around about 30 countries in the world. Among them, India produces the most castor seeds and castor oil. The castor seed production accounts for up to 85%.  China and Brazil contribute 7% and 5% separately. Then, followed by Russia, Thailand, Ethiopia, Philippines, Jamaica, Nigeria, etc.

Rank Country Value as Numner Rank Country Value as Number
1 India 1,568,000 2 Mozambique 79,944
3 China 55,000 4 Brazil 13,481
5 Burma 12,575 6 Ethiopia 9,287
7 Vietnam 7,000 8 Paraguay 7,000
9 South Africa 6,461 10 Angola 4,129
11 Mexico 3,478 12 Ecuador 3,027
13 Tanzania 3,000 14 Kenya 3,000
15 Madagascar 2,736 16 Pakistan 2,496
17 Indonesia   1,696 18 Syria 1,693
19 Haiti 1,556    20 Cambodia 1,281
  • Which Country Importing Castor Oil Most?

Castor oil, extracted from the castor seed, is widely used in many industries, such as biofuel oil, paint, lubricant, pharmaceutical, textiles and more. The major importing areas for castor oil is European Union, the United State, Japan, China, Thailand and more. Castor oil has very strong export demands around the world. Therefore, there are great potential to start castor oil manufacturing business in these countries where cultivates castor seeds.

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