Hydrogenation-Derived Renewable Diesel [HDRD]
HDRD is considered a ‘second-generation biodiesel’ because it refines fats and vegetable oils in an oil refinery. It’s still in the developmental stage and currently is not widely available.
HDRD is produced by using a standard oil refinery to refine fats and vegetable oils into a diesel fuel, either by themselves or blended with oil.
Provided the production process uses feedstocks, the only CO2 released during HDRD combustion will be the CO2 originally absorbed by the biological material (plants etc) during its development.
Ideally, HDRD will be used alone or blended with other diesels.
It can use the existing pipelines, stations and road transport systems for conventional diesel.
Compared to Diesel
It should allow for better performance and fuel economy, and lower emissions.
Its ultra-low sulfur content will reduce emissions.
Its high cetane number (diesel’s combustion quality) suggests improved vehicle performance and fuel economy.
In addition to the fuel infrastructure, HDRD benefits from being able to use the current refinery infrastructure as well.
A number of oil companies in the US, Ireland, Finald, Brazil, and Italy. currently have HDRD projects under development using a variety of processes.
- Google News: HDRD
- Blog: HDRD
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