Palm Oil Fractionation
Palm Oil & Palm Kernel Oil
Membrane Filter Press
Flow Chart of Palm Oil Processing
Operation Phiosophy of Membrane Filter Press
Specially for palm oil refinery, fractionation process is required in which palm olein and palm stearin are separated by scientifically cooling the refined palm oil by chilling plant and then filtering the oil. For this purpose crystallizing vessel is used in which chilling pipe coils cool the oil for fractionation. Palm stearin crystals are formed due to chilling which are separated in Specially Designed Fully Automatic Membrane Chamber Filter Press and pure liquid of palm olene is obtained and palm stearin cake is retained in the Membrane filter press.
Our membrane filter press is designed & Manufactured here in India by our own in our Premises only. The Presses are engineered on maximum performance and long life operation. We have good knowledge and experience on selecting suitable Rubber Membrane Plates for different process application to obtain products required.
The 8 bars Press is used for normal Palm Oil Fractionation processes to produce normal Palm Olein by using air Squeezing for Membrane. However, the Press can also be made suitable for liquid squeezing if need is required.
The 16 bars Press can be used for normal Palm oil fractionation processes to produce normal palm olein. In these application, the yield of various olein extracted is at least 2% higher compared to 8 bars air squeezing membrane filter press. In this press, the medium for squeezing is liquid.
With more than 7 years of palm oil fractionation experiences, We are knowledgeable in producing good crystallised oil slurry and possess special separation programme to achieve product quality targeting & this day also we continues to provide the latest innovations & solutions. The traditional YO-TANA Membrane Filter Press uses 16 Bar Squeezing Pressure & achieves an average yield of 78 - 80 % on normal Palm Oil.

Because of its simplicity and flexibility, the chamber Filter Press has been widely applied in clarification and dewatering applications. Membrane Filter Press technology is gaining increased acceptance because it reduces subsequent processing or disposal costs for filter cake. In many applications the membrane Filter Press significantly reduces residual moisture content, making this technology attractive for new plants and for upgrading existing facilities. In both cases the careful selection of plate and membrane materials is essential to the successful performance of the process.

Membrane Filter Press Plates have a chamber below the drainage surface that can be inflated. The common method used is water pressure, which is generated by pumping into the squeeze cavity to inflate the face of the plate against the filter cake. Membrane Plates are used to reduce the cake moisture content & shorten the filtration cycle time.


Mix Pack Membrane are the most common configuration (one recessed plate then one membrane plate alternate in the press plate pack). Membrane Plates usually operate at a feed pressure of up to 7 bar and squeeze pressure up to 15 bar. Special plates can be designed for higher feed & squeeze pressure.

Replaceable membranes can easily changeable. EPDM thermoplastic and other compounds are used for specific conditions. Plate filling problems are minimized and use of a rubber Membrane enables “empty-chamber” operation without damaging the plate, resulting a considerable reduction in incidents of plate failure. Even if the chamber is not completely filled, the filter cake is squeezed by the inflating filter lever and therefore perfectly dewatered.

During the initial phase of the filtration cycle, so-called “fill and filtration” the process is similar to the chamber Filter Press. After reaching a predefined pressure, usually around 3 - 7 bar, depending on the sludge characteristics, sludge feeding is stopped & the rubber membranes inflated, using either water or air as squeeze medium. The cake is hereby compressed and dewatered further. Then the squeeze medium is relieved & the cake discharged.
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