ASABE 2014 Presentation(Final Version)

ASABE 2014 Presentation(Final Version)

• 1.
  S M HassanShahrukh, Dr. Amit Kumar 2014 ASABE and CSBE Annual International Meeting, 13-16 July ,2014 Development of Process Model for Assessment of Steam Treatment of Biomass for Pellet Production Presentation at ASABE, 13-16 July,2014
• 2.
  Presentation Outline  Backgroundand Objective  Pellet Production Supply Chain  Model Development and Validation  Mass and heat balance of Steam Pretreatment  Techno-Economic Result  Summary of Result  Future Work Presentation at ASABE, 13-16 July,2014
• 3.
  Background Presentation at ASABE,13-16 July,2014
• 4.
  Objective Presentation at ASABE,13-16 July,2014
• 5.
  Pellet Supply Chain Presentationat ASABE, 13-16 July,2014
• 6.
  Experimental Material and Method Presentationat 29th ICSW, March 31, 2014
• 7.
  Model Development Presentation atASABE, 13-16 July,2014
• 8.
  Model Input 1. Boilerunit: Supply of steam at different time and temperature 2. Steam Pretreatment Unit: Biomass is treated with high pressure steam in batch reactor ( Yield reactor considered) logR = log න exp( T − 100 14.75 )dt Governing Equation: Source: Lam et al. 2013 Presentation at ASABE, 13-16 July,2014
• 9.
  Simplified Model Separated unitfor steam pretreatment unit and pelletizer unit since it is not a continuous process in the experimental set up Presentation at ASABE, 13-16 July,2014
• 10.
  Model Input 3. Pelletmill: produces pellet of 20-30 mm long , 6 mm in diameter, has a heating element operating at 70-100 C. 2. Grinder: Kicks Energy constant 100KJ/kg, solid recovery 95% 1. Dryer : Operating temperature at 80 C. rotary drum dryer flow rate of 10.4 t/h Presentation at ASABE, 13-16 July,2014
• 11.
  Model Validation Operation ExperimentalEnergy Required MJ/Kg ASPEN model Energy Required MJ/Kg Steam treated Untreated Steam treated Untreated Steam Pretreatment 4.30 0.0 4.35 0.0 Drying 4.52 3.01 4.56 2.98 Size reduction 0.82 1.31 0.88 1.28 Pelletization 0.27 0.24 0.25 0.23 Total Energy Input 9.91 4.56 10.04 4.49 Total Energy Output 21.00 18.00 21.80 18.40 Energy Ratio 2.12 3.95 2.17 4.10 Presentation at ASABE, 13-16 July,2014
• 12.
  Steam Pretreatment representative massand heat balance Presentation at ASABE, 13-16 July,2014
• 13.
  Techno-Economic Snapshot Steam TreatedPellet Untreated Pellet Capacity (ton) 45000 45000 Total Energy (GJ) 990000 810000 Price of Pellet ($/ton) 231 207 Price of Pellet ($/GJ) 24.6 24.2 Presentation at ASABE, 13-16 July,2014
• 14.
  Cost Curve: Capitalcost per ton Steam Pretreatment increase capital cost due to addition of Steam Boiler and Steam Pretreatment Unit Steam Pretreated Pellet Regular pellet Presentation at ASABE, 13-16 July,2014
• 15.
  Cost Curve: $/ton NoPoint of Intersection in $/ton Curve Presentation at ASABE, 13-16 July,2014
• 16.
  Cost Curve: $/GJ Pointof Intersection occurs at 270000 tons Presentation at ASABE, 13-16 July,2014
• 17.
  Summary of Result Presentationat ASABE, 13-16 July,2014
• 18.
  Future Work Presentation atASABE, 13-16 July,2014
• 19.
  Reference • Kumar A.(2009) “A conceptual comparison of bioenergy options for using mountain pine beetle infested wood in western Canada.” Bioresource Technology,100 (1): 387-399. • Lam, P. S.,Tooyserkani, Z., Naimi, L. J. and Sokhansanj, S. (2013) “Pretreatment and pelletization of woody biomass”, In Pretreatment Techniques for Biofuels and Biorefineries, Green  Energy and Technology. Z. Fang, Editor. Springer-Verlag: Berlin Heidelberg, 93-116. • Sarkar S. and Kumar A. (2009) “Techno-economic assessment of biohydrogen production from forest biomass in Western Canada.” Transactions of the ASABE, 52 (2): 1-12. • Sultana. A., Kumar, A. and Harfield, D. (2010) “Development of agri-pellet production cost and optimum size”, Bioresource  Technology 101: 5609-5621. Online at Science Direct. Presentation at ASABE, 13-16 July,2014
• 20.
  Acknowledgement  Bio FuelNet  University of Alberta  Dr. Shahab Sokhansanj, Dr. Linoj Kumar and Bahman Ghiasi, Department of Chemical Engineering, University of British Columbia Presentation at ASABE, 13-16 July,2014
• 21.
  Thank You/Questions For furtherinformation: Amit Kumar NSERC/Cenovus/Alberta Innovates Industrial Research Chair in Energy and Environmental Systems Engineering & Cenvous Energy Endowed Chair in Environmental Engineering E-mail: [email protected] Website: www.energysystems.ualberta.ca Presentation at ASABE, 13-16 July,2014