Oleo Chemicals

Culmination of Technology, Skillsmanship,
Knowledge and Experience

Project for value Addition

Fatty Acid Plant

Fatty Acid industry is associated with production of fatty acids and glycerine. Both vegetable oils & animal fats are being used as feedstock for fatty acids / glycerine manufacturing. The fatty acids are manufactured as a distillate mixture or a pure fraction. Pure fractions can be obtained either from fractionation plant or by selectively choosing the feed-stock & carrying out straight distillation.

Advantages

  • Each plant component is designed to MICRO level; hence performance of each component is controlled to the required level.
  • Our plants are 100% custom-built and we do not sell the “standard plants”.
  • It results in good “Turndown” Ratio for plant operation..
  • Customer need not compromise on his requirements. We can supply the plants of required capacities at desired parameters such as utility consumptions, operability, plant life as per customer’s request.

The bio-diesel system is able to use different cold- and hot pressed fresh vegetable oils as well as pre-treated used vegetable oils.

In all cases, if the operator of the plant follows the required qualities of the input materials and ensures a constant process operation, the product quality will be in correspondence with the requirements of the European bio-diesel standard DIN EN 14214 as well as with all other conventional international norms.

It has to be pointed out, that used vegetable oils and certain fresh oils like palm oil only can be used for the production of so-called “summerbiodiesel” because the winter stability can not be ensured yet. For all different raw materials a transesterification grade of > 98 % and constant product quality will be reached.

The current offered plants are a BASE-LINE offer and further customization / improvement will be done against customer’s specific request.

Mectech's Revolutionary on-line seperation system for fatty acid and glycerine phase

Working principal

Driving force for Static Separator is gravity flow. The Separator is a static device having highly specialized internals and level controller. The internals are so specially designed that, the disperse phase smaller droplets gets agglomerate on the surface to form bigger globules. This enhances process of separation of the two phases.

The agglomerated bigger globules represents Free Disperse Phase and is padded through an environment where sufficiently quiescent conditions are maintained, so that disperse phase globule rises to the continuous phase surface; forming a layer of disperse phase liquid. The removal of both phases from the separator is through level controller. Both phases are freely discharged under gravity.

Soap noodles

Fatty acids sourced from Palm stearin, Rice-Bran Oil, Coconut Oil, Tallow…etc. are typically blended together to form fatty acids blend for soap manufacturing. Today all premium grade soaps are being manufactured from blend of the distilled fatty acid.

Fat Splitting Plant

In Fat Splitting Plant, hydrolysis reaction of oil / fat is carried out. The reaction takes place at high pressure and high temperature. Triglycerides (fat/oil) react with water to convert into fatty acids and glycerol. The Fat Splitting Plant is a high-pressure single tower system. The fatty matter proceeding from battery limits is pre-heated and fed to the de-aerator operating under vacuum.

The de-aerated fat is fed via a high-pressure pump to the bottom of the tower. In bottom of the tower, there is a heat recovery section where de-aerated fat isheated by the exiting sweet water. The process water is fed via a high-pressure pump to the top of the splitting tower.

In top of the tower, there is a heat recovery section where process water is heated by the discharging crude fatty acids. The high pressure splitting tower is provided with temperature controllers.

Fatty Acids Distillation Plant

Fatty Acids Distillation plant is broadly divided into three main section. vis. de-gasification, pre-cut system and main distillation system. These main process section are supported for optimum cooling based on thermostatised water system.

Crude fatty acids from battery limit is filtered, pre-heated and admitted to the de-gasifying unit operating under vacuum, where it is dried and de-gasified. Crude fatty acids, from de-gasifier is heated in thermic fluid exchanger and fed to the pre-cut column.

The pre-cut column operates under vacuum and is composed of various section; starting from bottom, the main sections are vaporization section, Two sections of distillation packing bed, pump-around section and scrubbing section. From bottom of the column, the product is sent to Fatty Acid Distillation column.

The main distillation column operates under vacuum and is composed of various section; starting from bottom the main sections are vaporization section, stripping section, one set of washing section, one pump-around section and one scrubbing section

Hydrogenation

Hydrogenation is the process to change the physical characteristics of natural fats and oils. Hydrogenation of vegetable oils involves the addition of hydrogen, in the presence of a Nickel catalyst, to the carbon-carbon double bonds present in the fatty acid chains.

Salient features

  • High degree of Auomization to control flow, temperature and pressure in Autoclave ensures selective hydrogenation and excellent quality product.
  • 100% reproducibility of product is ensured.
  • Almost zero steam consumption for heating. Steam is needed only once for the first charge of oil while starting the plant operation. This is achieved with the most efficient design of oil to oil Heat Exchanger.
  • Practically maintenance free due to low speed agitation system in Autoclave.
  • Low power and catalyst consumption

Interesterification

Interesterification can be defined as a redistribution of the fatty acid moieties present in a triglyceride oil over its glycerol moieties. Interesterification has become the alternative fat modification technology to partial HYDROGENATION.

Interstification is the process of re-arranging the fatty esters within and between tri-glycerides resulting in the most cases a change in the physical properties of the oil / fats. Interstification is the intra and inter molecular exchange of fatty acids on the glycerol back bone of tri glycerides. In the chemical Interstification process commonly used catalysts are sodium methylate and ethylate followed by sodium methoxide.

In enzymatic Interstification process, the enzyme commonly used is lipozyme TL1M.

Vanaspati Ghee

The simple procedure of hydrogenation in the presence of Nickel catalyst is carried out with such perfection that MECTECH has become a trend-setter organisation vis-a-vis turnkey projects for Vanaspati Ghee.

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