| Customization: | Available |
|---|---|
| Type: | Pressing Machines |
| Application: | Beans |
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5.2. Description of main Process
The crude palm oil has less hydratable & non-hydratable phosphoric acid and high FFA. So the line is adopted the physical refining method, which is not only much more economical and efficient than chemical refining, but also causes no pollution through waste water and exhaust air.
Degumming and Pre-bleaching Section:
Special Degumming Section
Remove solubility impurity in the crude oil is degumming process. Because phosphoric acid is main part of solubility impurity in the crude oil. In industry, degumming also is named to get rid of phosphoric acid. Before distilling process for physical refinery, remove solubility impurity is a very important step, it can reduce loss in the oil, increase oil quality.
The Crude oil filtered is pumped out from the Buffer Tank. Passing through dosing system, the oil enters into the Heat Exchanger to be Heated up to designed temperature 60ºC. Then go into the mixer vessel for mixing with the the phosphoric aced added via the metering Pump. The mixture flow into the acid reacting vessel for reacting for 15-20mins.
Then separate the gums and oil via one centrifuge. Oil is exchanging heat to 70 degrees and flow into the pre-bleaching process.
Pre-Decolorizer Process
the oil degummed is pumped into the decolorizer, samely open the vacuum system to rise its temperature to remove off the moisture firstly.
The clay dosed flow into the mixing tank/clay and oil firstly,, then inhaled into the decolorizer vessel with the vacuum condition, which mixing for 30mins or so under the 110 degrees and vacuum condition, after cooling(the decolorizer vessel has the water coil for cooling oil), the temperature to 70 degrees or so, which flow into the leaf filter for remove off the clay and oil go to the next process.
Note: This process could remove out 40% red color/carotenoids, the more is removed out from the distilling process.
Data: P < 5ppm,Fe ion < 0.1ppm, Cu < 0.01ppm
Distilling Process
Pump the oil decolorized into the distilling vessel in the high vacuum, and 240 degrees -260degrees oil temperature, to distillate for 4hrs.
The FFA would be remove out with the direct steam.
The final oil is out after exchanging between hot oil distilled and oil decolorized.
Note: This process is not only remove out the FFA, but also odor and most of red color / Hot sensitive decolorization.
Henan Double Elephants Machinery I/E CO.,LTD
A professional collection of research ,design, production and sales of Oil making machine,animal food machine ,extruder machine for pet and snacks,and many other kind of food machine.
Our company has a big manufacturing factory with 40 years rich experiences based on one original machinery started by our government machinery department, we adopts advanced production technology, sophisticated equipment and have won abundant strength after many years of development accumulation.
Our puffed machinery has won the 1999 best national evaluation,and passed the ISO 9001 International Quality Authentication in 2000.More proudly, we have achieved the CE certificate to convenient more European customers.
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