palm oil extraction equipment manumacture

Bleaching Section

Palm Oil Refining Bleaching Section Process Introduction:

Bleaching Section

Bleaching section is a major part of palm oil mill process. Bleaching section is mainly used to remove oil pigment, residual soap particles and metal ions. Under negative pressure, the mechanical mixing method combined with steam mixing will improve the bleaching effect.
The degumming oil firstly enters into the heater to be heated to the appropriate temperature of 110 degrees Celsius, and then goes to the bleaching earth mixing tank. The bleaching earth is delivered from the low bleaching box to the temporary tank by wind. The bleaching earth is added by automatic metering and is interlockly with the oil.
The oil mixed with the bleaching earth overflows into the continuous bleaching tank, which is stirred by non-powered steam. The bleached oil enters into the two alternate leaf filters to be filtered. Then the filtered oil enters the bleached oil storage tank through the security filter.
The bleached oil storage tank is designed as the vacuum tank with the nozzle inside, so as to prevent the bleached oil contacting with air and influencing its peroxide value and color reversion.


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