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BY PRODUCT TREATMENT PLANT : -

Processes commonly used include phase separation (such as sedimentation), biological and chemical processes (such as oxidation) etc.

In edible oil industries waste such as soap, water, gums, spent earth etc are processed again in different plants & converted in to various final products such as acid oil, treated water, lecithin, biodiesel etc. & sold in the market for different uses.

The most common type of by product treatments plants are-

1.EFFLUENT TREATMENT PLANTS : -

PEMAC offers a wide range of new generation effluent treatment plants which are having various industrial Applications. The proposed effluent scheme is based on dissolved air floatation technique followed by the conventional activated sludge process and pressure sand filtration and activated carbon filtration to achieve the final parameters.

2. ACID OIL PLANT : -

PEMAC Offers new generation, completely environment friendly soap stock splitting/Acid oil plants.

This Latest designed Plants are completely closed & does not pass any acid fumes to the atmosphere. The final output will be acid oil with good colour which is the direct raw material for the soap plants.


Process Description

Soap stock from process house is accumulated in a homo-gentian tank, which is equipped with the open steam heating arrangement. In this soap stock is heated with the open steam, so as to evaporate moisture as per as possible in term of splitting. Minimizing acid consumption for splitting. This soap stock is pumped through the horizontal screw pump to the acid reactors for splitting, Reactors are PP FRP constructed fully closed vessel, equipped with copper stem heating cum agitation coils, light & sight Glasses, inspection manhole etc. splitting takes place in semi-continuous manner. Reactor are used in cycle for splitting operation. After getting appropriate charge in selected reactor, the soap stock is getting boiled in term of drying with steam heating cum agitation coils.

After removing maximum moisture pre-calculated amount of acid (H2SO4) will be added slowly splitting is done under continuous observation so as to maintain appropriate acid value of final product also avoiding excess acid fumes. After completion of splitting operation, settling process starts for 3-4 hour. After that water is getting drained to the fat trap tank and clear acid oil is pumped to the storage tank with PP pump. Fat trap tank is PP FRP Constructed rectangular tank specially designed with multi-compartment & syphoning system to collect all the droplets of acid oil.

3. SPENT EARTH EXTRACTION PLANTS : -

What is Spent Bleaching Earth?

Spent Bleaching Earth is solid waste material generated as a part of the refining process in the edible oil industry, worldwide. Spent Bleaching Earth is usually disposed of in landfills or waste dumps. Due to increasing cost of disposal and being as environmental hazard, it is desirable to recover oil using a solvent Extraction process in an efficient and economical manner, before disposing off spent Bleaching Earth as per environmental regulations. In refining, bleaching earth is used to remove colour, metal, phosphatides, oxidized products and residual gums from the oil; however, in turn it absorbs approximately 20-40 % by weight of the spent Bleaching Earth.

APPLICATION :

The oil recovered immediately after the bleaching process by extraction with a solvent can be used as feedstock to a refinery. Otherwise it can be reused as a raw material for industrial applications to save costs in the processing industry. As the residual oil has a very high FFA and Peroxide value, it can only be used for non-food application, as feed stock for conversion to biodiesel, and as a lubricant base for bio-lubricants as a feedstock to the oleo chemical industry. In our process, the oil can be recovered from spent Bleaching Earth using both a flammable as well as non-flammable solvent, which has been done for the first time in the world.

4. LECITHIN PLANT : -

Wet gums generated from water de-gumming plant are continuously collected in the inter gum tank, which is constructed out of mild steel. For proper homogenization of the wet gums, these are conveyed to a REACTOR through a positive displacement pump. Finally, these wet gums are then fed to (ATFE) a high speed mixer.

Wiped type evaporator is specially designed with scrapped blades in order to keep the gums scrapped from the heat transfer surface. A low pressure steam is injected in the jacket for heating the entire mass. All the vapors formed are continuously collected in the separator from which, these water vapors are separated from mass. In addition to this, the separator is attached with a jacketed heating that keeps the dried gums in a fluid state.

An accurate amount of ATFE GUMS is fed in a high surface heater to the dryer. The key equipment’s like DRYER vapor separator and wiped type thin film evaporator are maintained under vacuum for effective processing. There is a pre-condenser and a water ring vacuum pump in the vacuum system. The dried gums which is now formed into crude lecithin is fed to a wiped type cooler through a positive displacement pump for cooling at around 50 – 60 degree Celsius. In order to protect the process from oxidation, the complete system is hermetically sealed at a process temperature. The dried crude lecithin can be further processed as per the require.

5. WAX EXTRACTION PLANT : -

PEMAC has developed a latest extraction system for extraction of oil from wax. It is far better than ancient wax pressing machine.

SALIENT FEATURES :

  • Easy to install & operate.
  • Oil in wax is less than 25% as compared to earlier press machine which was giving 35% oil in wax.
  • Reduction in manpower.
  • No Handling losses.
  • Less area required.

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