Contract-Processes


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Our wide range of oil treatment processes and capabilities, when complemented with our services, allows ZOR to meet your specific requirements.

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Melting fats


Melting of solid fats delivered in bulk, drums, cartons or pails

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Water or acid de-gumming and washing


Removing the gums from the crude oil, using plain water
Doing the same, using an acid solution

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Drying


Drying the oil at moderate temperature under vacuum

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Alkali/chemical refining


Removing free fatty acids and other impurities from the oil, using caustic soda (lye)

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Bleaching earth treatment


Removing color components, metal traces and other (pro-)oxidants from the oil, using adsorption capabilities of natural earth types
Doing the same, using acid-activated earth types

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Active carbon treatment


Removing polycyclic aromatic hydrocarbons (PAH) and dioxins from the oil, using the specific adsorption capabilities of active carbon

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Filtering


Removing all physical impurities from the oil, including earth and/or active carbon after bleach treatment

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Deodorizing


Removing volatile impurities from the oil, by submitting the product to moderately high temperature and deep vacuum

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Physical refining


Removing free fatty acids and other volatile impurities from the oil, by submitting the product to high temperature and deep vacuum

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Winterizing


Allowing for controlled crystallization of natural waxes in the product and then removing the wax crystals by special filtration

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Mixing & blending


Mixing and blending various oils in a nitrogen saturated atmosphere protecting the stability of the product(s)

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Packing oils and fats


Loading oils and fats into road tankers or containers (bulk)
Filling oils and fats in steel drums, HDPE drums, containers, cans, cartons or pails

Minimum batch size for these processes is 6,000 kgs.