Hydrodeoxygenation of Microalgae Oil in a Microreactor

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Annual Meeting
  • Presentation Date:
    November 7, 2013
  • Duration:
    30 minutes
  • Skill Level:
  • PDHs:

Share This Post:

Removal of residual oxygen from long chain lipids via hydrodeoxygenation (HDO) will produce a liquid fuel comprising mostly straight chain alkanes , which mimics diesel. Green diesel is chemically similar to petroleum-derived diesel , and it can be used in existing internal combustion engines without any modification. Microalgae has been favored as a feedstock for green diesel , on account of its high acylglycerols contents and faster growth rate than terrestrial oil crops. Moreover , HDO , a process that uses high pressure hydrogen to remove oxygen is CO2 neutral. In the present work , sulfided NiMo/Al2O3 catalyst was evaluated for HDO with the aim of converting algae oil to diesel-like hydrocarbons. Microreactor was used due to its advantages compared to conventional reactors. These advantages include: 1) enhanced mass and heat transfer , 2) less energy consumption , 3) faster and cost-saving screening of materials and process , 4) easier scale-up , and 5) improved safety. Changes in the hydrogen consumption and the product composition as a function of operating conditions: reaction temperature , hydrogen partial pressure , residence time were determined quantitatively by GC-TCD and FID. This work will provide baseline data which will guide future work on the HDO of algae oil.

Once the content has been viewed and you have attested to it, you will be able to download and print a certificate for PDH credits. If you have already viewed this content, please click here to login.



Do you already own this?



AIChE Member Credits 0.5
AIChE Members $15.00
AIChE Graduate Student Members Free
AIChE Undergraduate Student Members Free
Non-Members $25.00