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Hydrotreated vegetable oil
Hydrotreated vegetable oil (HVO) is a biofuel made by the hydrocracking and hydrogenation of vegetable oil. Hydrocracking breaks big molecules into smaller ones using hydrogen while hydrogenation eliminates double bonds by adding hydrogen to the molecules. These methods can be used to create substitutes for gasoline, diesel, propane, kerosene and other chemical feedstock. Diesel fuel produced from these sources is sometimes referred to as green diesel or renewable diesel.
Diesel fuel created by hydrotreating is distinct from the biodiesel made through esterification.
The majority of plant and animal oils are triglycerides, suitable for refining. Refinery feedstock includes canola, carinata (Brassica carinata), algae, jatropha, salicornia, palm oil, tallow and soybeans. One type of algae, Botryococcus braunii produces a different type of oil, known as a triterpene, which is transformed into alkanes by a different process.[citation needed]
The production of hydrotreated vegetable oils is based on introducing hydrogen molecules into the raw fat or oil molecule. This process is associated with the reduction of the carbon compound. When hydrogen is used to react with triglycerides, different types of reactions can occur, and different resultant products are combined. The second step of the process involves converting the triglycerides/fatty acids to hydrocarbons by hydrodeoxygenation (removing oxygen as water) and/or decarboxylation (removing oxygen as carbon dioxide).
A formulaic example of this is C
3H
5(RCOO)
3 + 12 H
2 ⟶ C
3H
8 + 3 RCH
3 + 6 H
2O
The chemical formula for HVO Diesel is CnH2n+2
Hydrotreated oils are characterized by very good low temperature properties. The cloud point also occurs below −40 °C. Therefore, these fuels are suitable for the preparation of premium fuel with a high cetane number and excellent low temperature properties. The cold filter plugging point (CFPP) virtually corresponds to the cloud point value, which is why the value of the cloud point is significant in the case of hydrotreated oils.
Both HVO diesel (green diesel) and biodiesel are made from the same vegetable oil feedstock. However the processing technologies and chemical makeup of the two fuels differ. The chemical reaction commonly used to produce biodiesel is known as transesterification.
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Hydrotreated vegetable oil
Hydrotreated vegetable oil (HVO) is a biofuel made by the hydrocracking and hydrogenation of vegetable oil. Hydrocracking breaks big molecules into smaller ones using hydrogen while hydrogenation eliminates double bonds by adding hydrogen to the molecules. These methods can be used to create substitutes for gasoline, diesel, propane, kerosene and other chemical feedstock. Diesel fuel produced from these sources is sometimes referred to as green diesel or renewable diesel.
Diesel fuel created by hydrotreating is distinct from the biodiesel made through esterification.
The majority of plant and animal oils are triglycerides, suitable for refining. Refinery feedstock includes canola, carinata (Brassica carinata), algae, jatropha, salicornia, palm oil, tallow and soybeans. One type of algae, Botryococcus braunii produces a different type of oil, known as a triterpene, which is transformed into alkanes by a different process.[citation needed]
The production of hydrotreated vegetable oils is based on introducing hydrogen molecules into the raw fat or oil molecule. This process is associated with the reduction of the carbon compound. When hydrogen is used to react with triglycerides, different types of reactions can occur, and different resultant products are combined. The second step of the process involves converting the triglycerides/fatty acids to hydrocarbons by hydrodeoxygenation (removing oxygen as water) and/or decarboxylation (removing oxygen as carbon dioxide).
A formulaic example of this is C
3H
5(RCOO)
3 + 12 H
2 ⟶ C
3H
8 + 3 RCH
3 + 6 H
2O
The chemical formula for HVO Diesel is CnH2n+2
Hydrotreated oils are characterized by very good low temperature properties. The cloud point also occurs below −40 °C. Therefore, these fuels are suitable for the preparation of premium fuel with a high cetane number and excellent low temperature properties. The cold filter plugging point (CFPP) virtually corresponds to the cloud point value, which is why the value of the cloud point is significant in the case of hydrotreated oils.
Both HVO diesel (green diesel) and biodiesel are made from the same vegetable oil feedstock. However the processing technologies and chemical makeup of the two fuels differ. The chemical reaction commonly used to produce biodiesel is known as transesterification.