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Team 14: GRE-cycleStatus Update
12/1/14
The Team
Cole Walker Ben Guilfoyle Hannah Albers Melanie Thelen
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
The Problem
• Restaurant grease is a waste
• Often recycled back into clean grease
• Potential for greater use
http://www.energy4me.org/images2010/source_petroleum.jpg
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Our Project• Biodiesel Production Plant
• Feed: Restaurant Grease
• Customer: Diesel Distributors
Slide 3/6
http://www.scielo.br/scielo.php?pid=S0103-50532013000100004&script=sci_arttext
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Resources
Industrial Consultant: Randy ElenbaasSam StrongPast Senior Design Teams• FAME :full scale plant• Rinnova and Diesel Crew: lab-scale
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Design Norms
• Stewardship
• Transparency
• Caringhttp://www.biodieselmagazine.com/uploads/posts/web/2011/01/12948046006374.JPG
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Pretreatment
Filter Alternatives • Centrifuge
-Good for solid/liquid separation-Commonly used Biodiesel production applications-Heterogeneous liquid
• Vertical Pressure Leaf Filter-Used for low solid content applications-Homogeneous liquid
Design Decision: Vertical Pressure Leaf Filter
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Pretreatment
Acid Treatment• Methanol• Sulfuric acid catalyst
• Less than 1% FFA content in product
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Transesterification ReactorKey Alternatives• Batch
• Microwave
• Oscillatory Baffled
• Inexpensive• Long residence time
• High conversion• Difficulty in scaling up
• High conversion• Ease of separation
http://en.wikipedia.org/wiki/Batch_reactor
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Reaction Catalyst
Key Alternatives• Homogeneous
• Heterogeneous
• Inexpensive• Easy to use
• Easier separation• Regeneration
http://www.evoqua.com/en/products/activated_carbon/granular_activated_carbon_gac/Pages/aquacarb_product_%20page.aspx
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Separation
Glycerol Separation• Filtration• Settling Tank
Methanol Recovery• Distillation• Pervaporation
https://controls.engin.umich.edu/wiki/index.php/DistillationModel
The Problem The Project Design Norms Pre-treatment Reactor Post-treatment Obstacles
Obstacles Overcome
• Thorough literature search• Initial cost estimate: plant is feasible• Lab work to determine grease
composition
Questions?