Pomace is the pulpy substance left after olive oil extraction. It still contains a certain amount of oil and water, and is used in the production of solid fuel, animal feed, composite fertilizer and olive pomace oil.
Olive pomace was previously used only in soap production. However, advancing technology has allowed us to produce pomace oil as well following a second extraction process. Now, pomace can also be converted into a biofuel in pellet form after fully removing its oil content.
Powdered and dried olive pomace can be turned into pellets of different sizes with Yemmak pellet mills.
The olive pomace pelleting process is economic and efficient with robust Yemmak pellet mills. Olive pomace pellet, which is generally produced in the form of small cylinders with a length of 1-3 cm and a diameter of 6-10 mm, contains less moisture than dried olive pomace and adapts better to existing solid fuel systems.
Although not common in Turkey, in Italy and Spain, olive pomace is mixed with various biomasses and used as fireplace fuel. A 1-kilogram olive pomace briquet can burn efficiently for approximately 1 hour.
Olive pomace is used as solid fuel in pellet form especially in the Aegean region. It is preferred because it is ecological, contains 5000 kcal/kg, is affordable, and is low in ash compared to other fuels such as coal. There are exclusive boilers for olive pomace pellets.
Some features of pomace pellets:
- Low ash and sulfur content
- Contain large amounts of volatile compounds (VOCs, PAHs)
- Generate high levels of carbon monoxide
- Preferred for fluidized bed combustion technology
- Generate lower sulfur dioxide emissions compared to coal
- Generate similar levels of nitrogen oxide emissions with coal
- Require higher amounts of air in its combustion with coal (less nitrogen oxide and sulfur dioxide)
Olive pomace pellet areas of use:
- Apartments and sites
- Pellet stoves
- Nutshell pellet stoves,
- Boilers with stoker
- Chicken farms
- Bread ovens
- All areas where coal is used.
Processes
Raw Material Intake
Cleaning & Sieving
Cooling & Drying
Grinding
Conditioning & Hygienization
Pelleting
Cooling & Drying
Conveying
Packaging
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Cleaning & Sieving
During the cleaning and sieving process, foreign objects are removed from the raw material.
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Cooling & Drying
Cooling machines produced by the Yemmak's expert engineers are used for cooling pellet feed, processed granular products, ground feed and rendered feed in the pet food facilities, chemical facilities, fertilizer production factories, and biomass
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Conditioning & Hygienization
Conditioning is the step before pelleting during feed processing.
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Cooling & Drying
Cooling machines produced by the Yemmak's expert engineers are used for cooling pellet feed, processed granular products, ground feed and rendered feed in the pet food facilities, chemical facilities, fertilizer production factories, and biomass
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Conveying
Raw material transportation systems come with various types of equipment such as screw conveyors, chain conveyors and elevators.
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Industries
Biomass Pelleting
Yemmak plays a major role in producing resources of biological origin, which humanity will always have a need for, and contributes to the country's economy by using these resources.
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