Academy Offers

Get a 20% discount on eLearning course purchases made through July 31. Use code ACADEMY20 at check out.

AIChE members receive complimentary, unlimited access to live and on-demand AIChE webinars by purchasing them with their newly increased number of credits. See more resources.

Direct Coupled Catalytic Upgrading of Multi-Stage Pyrolysis Bio-Oil Vapors

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Annual Meeting
  • Presentation Date:
    October 17, 2011
  • Duration:
    30 minutes
  • Skill Level:
  • PDHs:

Share This Post:

A two-stage pyrolysis was conducted in this work. The purpose of the multiple stages is to provide a segregated product evolution in which the vapor products maybe be more selectively treated by catalysts to improve product quality and catalyst stability in comparison to one step pyrolysis in which all components of the bio-oil vapor are present, complicating the upgrading requirements to achieve high yield. This particular two-stage configuration is designed to remove much of the light oxygenates (acetic acid, water, acetol, acetaldehyde) and sugar derived components (furfurals, levoglucosan, pyrans, etc.) in the first stage, with a more concentrated lignin derived phenolics stream produced from the high temperature fast pyrolysis stage. The phenolics rich vapor from the high temperature stage is treated by a dual function metal and oxide catalyst bed with hydrogen at atmospheric pressure coupled to the exit of the pyrolysis reactor.
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