Objective

Palm oil is the most common vegetable oil in the world used in food manufacturing industry and home care.

Non-recoverable losses of product occur during palm oil extraction, and industrial waste (Palm Oil Mill Effluent, POME) is discharged in man-made lakes and settlement ponds. Oil decomposition takes decades in those ponds, which has negative impact on environment.

The oil losses at extraction of oil at the factory with capacity of 60 tons of fruits per hour amount to 1% and more. And discharged industrial wastes amount to about 40 m3 per day; they can’t be used for irrigation of plantations.

Indicator

Before implementation of the solution

After implementation of the solution

Oil losses at centrifuge treatment stage

0.9 – 1.2% 

0.3 – 0.5%

Additional oil extraction

Not applicable

+ 25 kg at centrifuge treatment stage

+ 80 kg at stage of sedimentation in vertical clarifying tank

Decreasing oil concentration in POME

Not applicable

by 2-3 times

Example of flowchart

One application of Biomicrogel® BMG-C4 Product for increasing the palm oil extraction recovery is an injection of treatment solution after the tank with crude palm oil before centrifugal-type pump, which enables consistent distribution of the entire Product in crude palm oil flow. That speeds up the oil separation process in clarifier.

The Product can also be injected in the settlement building up in the clarifier. The treatment solution is injected after the settling tank before centrifugal-type pump, which enables consistent distribution of the entire Product in the settlement flow. Injection of the Product at this stage simplifies the process of release of oil particles from the solids.

Injection of the Product at any stage decreases extraction time, reduces oil losses at centrifuge treatment stage up to 0.3 – 0.5%, increases amount of supplemental extracted oil, and decreases the oil concentration in POME by 2-3 times.

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Upon contact with oil drops in aqueous phase Biomicrogel® BMG-C4 Product stabilizes at oil-water interface forming submicron polymer films displacing the oil drops from the particles of crushed crop, after which they surface.  

Unlike the other Biomicrogels® modifications used as sorbent, flocculant or flocculating agent where strength of films (microcapsules) is critical and must be maintained during ling time, it is critical in this case to just ensure their short-term presence on the surface of the solid particles, ensuring oil separation from the solids and its surfacing on water. After the process is completed Biomicrogel® BMG-C4 Product is distributed in aqueous phase and over solids.
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Biomicrogel® BMG-С4 Product is used in form of treatment solution.

Dissolve Biomicrogel® BMG-С4 Product in water using mixer or impeller mixer or other appropriate mixing device suitable for making homogeneous solution. Recommended duration of mixing is 30 – 60 min, until the Product is fully dissolved.

The treatment solution of Biomicrogel® BMG-C4 Product is supplied either to the settlement stage or to the centrifuge treatment stage.

Biomicrogel® BMG-C4 Product is injected to the settlement of the oil extraction industry. After that, the mixture is supplied to separator through the pump, where the vegetable oil is separated from the settlement and supplied to further processing. Herewith, the settlement travels to further treatment.

Biomicrogel® BMG-С4 Product is supplied as powder. 

It is packed in 25 kg polypropylene bags, and the bags are then placed on pallets. One pallet carries 20 bags – 500 kg of the Product.

To avoid hydrolysis or increase of microbial counts, fungi, hence resulting in deterioration, use Biomicrogel® BMG-С4 Product treatment solution within 7 days after preparation.

Biomicrogel® BMG-С4 Product is delivered in sterile condition; however, solutions can promote growth of airborne or aquatic bacteria and fungi. Always add biocide in storage areas where this process can occur.

It is recommended to use biocides based on isothiazoline in proportion of 700 ppm of agent per water volume. Equipment for preparation and containers for storage of Biomicrogel® BMG-С4 Product treatment solution as well as pipelines shall be pre-flushed and disinfected. Store the product in cool and dry place. Keep the entire protective packaging safe until the product is used. Guaranteed storage life – 24 months as of date of manufacture.

Biomicrogel® BMG-С4 Product shall be disposed of in accordance with effective legislation.

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