Edible oil filtration / filtration of vegetable oils and fats

Edible oil filtration/filtration of vegetable oils and fats

Filtration is a key process step in the edible/vegetable oil industry. The presence of gums, slimes, and gels requires experience in filtration. Knowledge in combination with creativity is the key to success in solving filtration problems. Filtration Group has more than 50 years experience in filtration of edible oils. More than 5000 filters have been sold to the edible oil industry so far.

Amafilter – LFC Lochem (Filtration Group Process Systems) filtration systems filter the finest particles and contaminations from the products and contribute effectively to minimize production costs and to improve product quality.

Refineries and processing plants are automated to a large extent and this requires reliable and easy-to-automate equipment. The operation should be simplified, operational faults avoided and above all, a well-defined process should be achieved.

The pre-treatment of the filter, filtration, and cleaning of the filter takes place in a semi or fully automatic mode and no intensive labor is required to open and/or close a filter in order to discharge the filter cake and get the filter back into operational condition.

The selection of the right filter type for each individual process step depends on a number of factors, such as:

  • Space requirement and available space
  • Type of cake discharge
  • Filter unit size in combination with the plant capacity
  • Batch or continuous operation
  • Investment costs
  • Experience

Reducing and removing impurities lead to lowering the amounts of reactants and increasing the efficiency of the end product. This is why filtration is the key separation step to minimize production costs in edible / vegetable oil production and to meet the strictest regulations and requirements.

Our extensive product range can be utilized for all processes in edible / vegetable oil production. Amafilter – LFC Lochem offers tailor-made solutions for a wide variety of different process requirements of individual manufacturers, offering efficiency together with reliability which allows the manufacturer to minimize production costs and to get a consistent product quality.

Main applications

  • filtration of Avocado oil
  • filtration of Mustard oil
  • filtration of Palm oil
  • filtration of Peanut oil/groundnut oil
  • filtration of Rice bran oil
  • filtration of Safflower oil
  • filtration of Semi-refined sesame oil
  • filtration of Semi-refined sunflower oil

Main process applications

  • Miscella filtration
  • Crude oil filtration
  • Bleached/detoxified oil filtration
  • Deodorized oil filtration
  • Winterized oil filtration

Reducing and removing impurities lead to lowering the amounts of reactants and increasing the efficiency of the produced oil. This is why filtration is the key separation step to minimize production costs in edible/vegetable oil production and to meet the strictest regulations and requirements.

Crude oil

Filtration of crude oil to remove solids/feet in order to obtain clean oil for further processing.

Bleached oil

Removal of adsorbent (clay/silica) in a batch or continuous bleaching process.

Winterised oil

Removal of wax stearine from winterized products.

Hydrogenated oil

Removal of catalyst from hydrogenated products.

Polishing filtration

Safety/polishing filtration at the following locations in the process:

  • Tanker loading & unloading
  • Crude oil
  • Bleached oil
  • Hydrogenated oil
  • Winterised oil
  • Deodorised oil
  • Packaging

RBDCD side-view-RB-edible-oil-blue

The standard filters used in Edible oil filtration are:

  • Horizontal Pressure Leaf Filter (RB)
  • Vertical Pressure Leaf Filter (VERSIS)
  • Cricketfilter / PTS filter
  • Cricketfilter / PTS filter for polish / heel filtration
  • Bag filter
  • Cartridge filter
  • On request, a filter can be supplied with ATEX

Filtration steps in Edible oil filtration

Depending on the type of oil and final purpose, the oil is processed in a sequence of process steps which can be divided as follows:

  • Crude oil filtration for removal of feet.
  • Miscella filtration for production of lecithin from gums.
  • Bleached and/or detoxified oil filtration to remove color and other components.
  • Winterised oil filtration to remove waxes to enhance cold stability.
  • Catalyst filtration to remove nickel catalyst after hydrogenation of the oil.
  • Residual catalyst filtration to remove solid nickel catalyst after transitioning to nickel soaps.
  • Deodorised oil filtration to remove impurities formed during deodorization.
  • Safety filtration to improve filtrate quality and/or to protect sequential equipment.
  • Polishing filtration to improve product quality

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