Main process of EFB processing palm kernel press
Empty bunches are returned to the plantations for use as organic fertilizer, while the byproducts such as mesocarp fiber as used as bio-energy to replace fossil fuels.
Palm kernels are dried, broken and separated to produce palm kernels, which are sold as a final product or further processed to obtain crude palm kernel oil.
All mill waste is discharged into a system of sewage treatment ponds where anaerobic and aerobic processes take over to produce fertilizer, protecting waterways from pollution.
Palm kernel Cleaning : It is used for removing the iron impurities, stone, fiber and others. These impurities are bad for machines, especial for the palm kernel expeller.
Palm kernel crushing: Because the palm kernel is hard and big size, it is required to crash to smaller and even pieces. If once crashing can not reach the requirements, the second crashing is required. Crush palm kernels after softening and drying. The centrifugal crusher breaks nuts and separate palm kernel out completely.
Palm kernel and nuts shell separation. Both dry and wet separations are available. Wet separation is mostly used in palm kernel separation, on basis of difference of relative density of palm kernel and shell.
Palm kernel drying. Fresh kernel contains 20% moisture. Palm kernel has no mildew during transportation and storage while moisture drops below 7%.
Cooking section: It is used for heating and cooking the crashing materials suitable for press.
Palm kernel oil pressing. Palm kernel oil pressing processing line is simple with usual oilseeds. The pre-pressing by oil pressing machine can obtain 1/4 palm kernel oil, and residual oil need twice pressing.
Palm kernel Filtering section: after pressing, there are some oil dregs in the crude oil, after clarifying, we need to filter the crude oil to avoid to jam the oil pipes during refining processes.
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