Effect of Crystallinity and Degree of Polymerization On the Fast Pyrolysis Decomposition Products of Cellulose

International Congress on Energy (ICE)
AIChE Annual Meeting
October 30, 2012 - 12:30pm-12:45pm
Fast pyrolysis has received significant attention as a possible pathway for converting biomass to transportation fuels and chemicals.  Cellulose is the most prominent component in biomass; however, its degradation pathway is not fully understood. More so, the effects of the fundamental structure of cellulose in fast pyrolysis have not been extensively investigated.  This study aims to determine the effect of the crystallinity and degree of polymerization on the primary degradation products of cellulose.  Pyroprobe-GC-MS was used to examine the volatile fraction, while a secondary GC measured CO and CO2, and residual char amount was also recorded.  This experimental configuration allowed for a full carbon mass balance.  The pyrolysis was performed on a CDS pyroprobe with set-point temperature of 600°C to imitate pilot scale pyrolysis temperatures.  The preliminary results showed that levoglucosan and glycolaldehyde are key primary degradation products, and their amounts were quantified on the GC-MS via standard calibrations.  The results from these experiments are shedding light on the competing mechanisms of cellulose thermal degradation, as well as offering insights on the optimal biomass that will produce more desirable products.
Professional Development Hours
0.5 PDHs
You will be able to download and print a certificate for these PDH credits once the content has been viewed. If you have already viewed this content, please click here to login.
Presenter(s): 

Would you like to access this content?

No problem. You just have to complete the following steps.

You have completed 0 of 2 steps.

  1. Log in

    You must be logged in to view this content. Log in now.

  2. Purchase Technical Presentation

    You must purchase this technical presentation using one of the options below.
    If you already purchased this content recently, please click here to refresh the system's record of ownerships.

Pricing

Credits 0.5 Use credits
List Price $25.00 Buy now
AIChE Members $15.00 Buy now
AIChE Undergraduate Student Members Free Free access
AIChE Graduate Student Members Free Free access