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2014 New design Refining of palm oil plant
- Shandong Industrial Microwave Oven
castor bean oil machine
- Shandong, China (Mainland)
- CE ISO
- 1 set
- castor bean oil machine
- Plastic film suitable for ocean carriage
- Contact with us
- Negotiation
- 10 Set/Sets per Month
- Shandong Industrial Microwave Oven2020-07-10 09:46:19
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Product Details
Condition: | New | Usage: | Sunflower Oil | Type: | Refining of palm oil |
Automatic Grade: | Automatic | Production Capacity: | 1-200t/d | Place of Origin: | Shandong, China (Mainland) |
Brand Name: | LD'e | Model Number: | RL22 | Voltage: | 380v |
Power(W): | accoriding to requipments | Dimension(L*W*H): | accoriding to requipments | Weight: | accoriding to requipments |
Certification: | ISO9001/CE | After-sales Service Provided: | Engineers available to service machinery overseas | Main export countries: | Asia,Africa,Latin American... |
Packaging: | Glass Container,Plastic Container | Grade: | Second Grade | Extraction Type: | Solvent Extraction |
Oil content: | 43%-50% | original: | china | quality: | with all certificates |
Product Description
Specifications
Refining of palm oil1.advantage technology with pure oil
2.high oil yield
3.energy saving and automatic control
2014 New design Refining of palm oil plant
Contact:Annie
Tel:+8615237168511
Skype:goldpenguin9713
Refining of palm oil plants:
What is Refining?
The crude oil obtained either from expellers or solvent extraction plant contains impurities, which must be removed to make the oil edible, more palatable and stable against rancidity upon storage. The process of removing these impurities is called refining.
refinery methods of oil refinery:
1)chemical refining 2) physical refining 3)chemical-physical refining
The classical alkaline refining method usually comprises the following steps:
The classical alkaline refining method usually comprises the following steps:
Step 1.Degumming with water to remove the easily hydratable phospholipids and metals.
Step 2.Addition of a small amount of phosphoric or citric acid to convert the remaining non-hydralable phospholipids (Ca, Mg salts) into hydratable phospholipids.
Step 3.Neutralising of the free fatty acids with a slight excess of sodium hydroxide solution, followed by the washing out of soaps and hydrated phospholipids.
Step 4.Bleaching with natural or acid-activated clay minerals to adsorb colouring components and to decompose hydroperoxides.
Step 5.Deodorising to remove volatile components, mainly aldehydes and ketones, with low threshold values for detection by taste or smell. Deodorisation is essentially a steam distillation process carried out at low pressures (2-6 mbar) and elevated temperatures (180-220°C).
For some oils, such as sunflower oil or rice bran oil, a clear table product is obtained by a dewaxing step or crystallization of the wax esters at Low temperature, followed by filtration or centrifugation.
The alkaline neutralisation process has major drawbacks, the yield is relatively low and oil losses occur due to emulsification and saponification of neutral oil. Also, a considerable amount of liquid emuent is generated. The soaps are generally split with sulphuric acid to recover free fatty acids along with sodium sulphate and some fat-containing acid water steam.
In physical refining, the fatty acids are removed by a steam distillation (stripping) process similar to deodorisation. The low volatility of fatty acids (depending upon chain length) requires higher temperatures in physical refining than those required for only deodorisation. In practice, a maximum temperature of 240-250°C is sufficient to reduce the free fatty acid content to levels of about 0.05-0.1 percent. A prerequisite for physical refining is that phosphatides be removed to a level below 5 mg phosphorus/kg oil. In the classic refining process, this level is easily achieved during the neutralisation stage, but special degumming processes may be required for physical refining of high-phosphatide seed oils. These procedures rely on improved hydration of phospholipids by intimate contact of the oil with an aqueous solution of citric acid, phosphoric acid andlor sodium hydroxide, followed by bleaching (Segers and van de Sande, 1988).
It is unlikely that the mild reaction conditions during degumming and neutralisation will induce any significant undesirable changes in the oil composition. On the contrary, several impurities including oxidised components, trace metals and colouring materials are partially removed by entrainment with the phospholipids and soapstock. These impurities are further reduced during bleaching. Neutralisation also contributes significantly to the removal of contaminants such as aflatoxin and organophosphorous pesticides (Thomas, 1982). Organochlorine pesticides and polycyclic aromatic hydrocarbons, if present, must be removed during the deodorisation/stripping stage and by active carbon treatment. Some loss of tocopherols and sterols during alkaline neutralisation usually occurs, however, under wellcontrolled conditions (minimising air contact) this need not exceed 5-10 percent (Gertz, 1988; Johansson and Hoffmann, 1979).
Refining of palm oil common model:
Porduct name |
Model |
Remarks |
Vibration cleaning screen |
TQLZ100×100 |
|
Destoner |
QX80 |
|
Crusher |
YPSG25×60 |
|
Flaker |
YYPYT2-60×80 |
|
Cooker |
ZCL180*5 |
|
Oil presser |
200A-3 |
|
Oil refining plant |
40t/d |
|
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Contact Us
- Shandong Industrial Microwave Oven
- AddressLeader Industrial Park, Jinan, Shandong
- Phone(Working Time)0531 85064681
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