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The edible oil refinery plant is essential for ensuring the final product meets quality standards. By employing advanced refining processes such as degumming, deacidification, decolorization, deodorization, dewaxing, and fractionation, the edible oil refining plant removes impurities and enhances the oil's properties. Our fully automatic continuous oil refining system is available in capacities ranging from 5 to 1,500 TPD for complete turnkey solutions, and 0–50 TPD for compact skid-mounted solutions. Our extensive engineering experience includes designing and setting up edible refinery plants for various types of oils. Each type of crude oil has unique properties and impurities, requiring specific refining processes. Our expertise ensures that the refining process is optimized for each type of oil, guaranteeing high-quality output.
Degumming
Maximize value from high-phospholipid crude oils with Ocean's specialized degumming and phospholipid recovery systems. Soybean and peanut oils are rich in natural phospholipidsnutritionally valuable emulsifiers containing essential phospholipids like phosphatidylcholine，phosphatidylinositol, and phosphatidylserine. With over 60% unsaturated fatty acids and rich in vitamins and trace elements, soybean phospholipids support cellular function, metabolic regulation, and overall nutrition. By integrating a dedicated degumming section into standard oil refining, these valuable phospholipids can be efficiently recovered as lecithin—a high-value by-product.
Lecithin Concentration
During the degumming stage of soybean oil refining, a by-product called soybean lecithin is separated through centrifugation. Leveraging its composition, Ocean’s production line can process this soybean lecithin to produce both food-grade and feed-grade products, significantly increasing the added value of the by-product. This by-product valorization significantly increases profit margins while reducing waste. Ocean's complete phospholipid processing solutions help oil processors improve refining profitability, produce premium lecithin products, and meet global demand for natural emulsifiers and nutritional supplements. The separated gum phase (soybean lecithin) is further refined through
Enzymatic Degumming
The enzymatic degumming process effectively reduces phospholipid content in oil from 560 ppm to below 30 ppm, ensuring smooth and efficient downstream processing. This method enhances oil quality while maintaining process efficiency in an edible oil refinery plant.
Bleaching and Physical Deacidification
The process reduces the free fatty acid content of crude oil from 30 KOH mg/g to below 3 KOH mg/g, ensuring high-quality and stable refined oil. It improves oil clarity, color, and overall quality while preparing it for deodorization.
Oil Bleaching and Deodorization
The conventional bleaching and deodorization process improves oil quality by reducing the red value from 4.0 (25.4 mm cell) to below 5.0 (133.4 mm cell) and lowering the free fatty acid content to less than 0.2 KOH mg/g. This ensures the oil is clear, color-stable, and suitable for edible applications.
One-Step Dewaxing and Degumming
The one-step dewaxing and degumming process ensures that first-grade rice bran oil remains clear and bright for 6–8 hours under 0°C freezing tests. This method effectively removes waxes and residual gums, improving oil clarity and stability.
Waste Heat Recovery Technology
Plasticizer Removal Technology
Physical Refining Technology
Zero Trans Fatty Acid Technology
Cryogenic Vacuum and Energy-saving Deodorization Technology
Whole-Plant Odor Removal Technology
Enzymatic Deep Degumming Technology
VE Enrichment Technology
Pre-Stripping and Post-Strip Falling Film Evaporation in Deodorization
Dual-tower & Dual-temperature Segmented Deodorization Technology
Automatic Bleaching Earth Addition Process and Waste Bleaching Earth Loading System
Modular Soft Tower Design
Proven Expertise & Market Leadership
Ocean is a leading edible oil refining solution provider and equipment manufacturer in China with No.1 market share. We have built over 200 refining lines covering various oil types.
Technology Innovation
Supported by strong in-house R&D capabilities, we hold over 70 relevant national patents. Our unique and advanced refining technology portfolio ensures our continuous industry leadership.
Highly Customization Solutions
We tailor the refining production line configuration and process design to your specific raw materials, target products, and capacity requirements
Comprehensive Technical Support
We provide full life-cycle support, from installation and commissioning to operational training, ensuring your long-term peace of mind.
Ocean’s complete edible oil refinery machinery is capable of processing a wide range of common oils, including but not limited to soybean oil, rapeseed oil, cottonseed oil, sunflower oil, peanut oil, camellia oil, peony seed oil, rice bran oil, palm oil, avocado oil, shea butter oil, tallow, lard, UCO and POME.
For new or specialty oils with unique requirements, trials can be conducted using our pilot refining units. Ocean also maintains a dedicated laboratory at Henan University of Technology. We collaborate closely with the university’s research team to develop specialty oils and to extract active components from processing by-products, such as vitamin E and phytosterols.
The reliable and efficient continuous alkali refining equipment ensures complete neutralization and superior refining performance for animal oils. Featuring long and short-mix reaction sections, the system combines thorough deacidification with precise process control and oil quality protection.
Efficient and reliable continuous vacuum bleaching systems from Ocean are designed to remove pigments, oxidation products, and trace impurities from oils and fats, ensuring bright color and superior product quality. Operating under negative pressure and controlled temperature, the system minimizes oxidation and reduces bleaching earth consumption for cleaner, more stable refined oil.
Reliable and energy-efficient deodorization systems designed by Ocean ensure optimal removal of free fatty acids and odor compounds in animal oil refining. With vast experience in animal oil refinery plant engineering, we provide versatile, easy-to-operate solutions that can be customized to meet specific process requirements.
Ocean’s energy-saving vacuum system ensures stable, efficient, and environmentally friendly operation across all refining stages. This vacuum subsystem supports low steam consumption, minimal exhaust emissions, and reduced operational costs for the animal oil refining plant.
1
Luhua 200TPD Peanut Oil Refining Project
2
Sinograin (Chengdu) 450TPD Oil Refining Project
3
Aksu Jiusheng 200TPD Cottonseed Oil Refining, Dewaxing and -10℃ Fractionation Project
4
Liangyou 400TPD Corn Germ Oil Refining Project
5
Wilmar (Taizhou) 250TPD Rice Bran Oil Refining Project
6
New Shine 1000TPD Oil Refining and Fractionation Project
7
Phibela 600TPD Vegetable Oil Refining Project in Ethiopia
8
50 TPD Skid-Mounted Refining Project in Indonesia
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