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Low Quality Feedstocks and Enzymatic BiodieselRachel Burton, Novozymes
Biodiesel Feedstock Workshop
Argonne National Laboratory, Argonne,IL
October 26th, 2015
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1969: Establishment of Sales Office in NY
1978: Establishment of production facility, Franklinton, NC
1992: Establishment of R&D site, Davis, CA
1995: Establishment of R&D, Franklinton, NC
2001-04: Establishment of the microorganisms business Salem, VA
2009: Establishment of a production facility, Blair, NE
Novozymes’ largest enzyme plant in North America – Franklinton, NC
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Enzymatic Biodiesel COMMERCIAL LAUNCH NOVOZYMES EVERSA®
• Research program on biodiesel initiated in 2008
• Pilot operations tested and optimized from 2010 - 2013
• Formal commercial launch in 2014
• Plants are running … 2 in USA, 2 in Brazil, 1 in China
• Several ramping up … 3 in USA, 2 in China, 2 in SE Asia, 2 in Europe, 1 in Brazil
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4
Benefits of enzymatic biodiesel
Feedstock flexibility
Lower methanol consumption
Reduced energy
Higher purity glycerin
Reduced harsh chemicals
Yield opportunity
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Feedstocks
Used cooking oil
Distillers’ corn oil
Animal fats
Fatty acid distillates
Brown grease
Crude palm oil
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Enzymatic Biodiesel Handbook
http://novozymes.com/en/solutions/bioenergy/enzymatic-
biodiesel/Pages/enzymatic-biodiesel-handbook.aspx
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Feedstocks
Used cooking oil
Distillers’ corn oil
Animal fats
Fatty acid distillates
Brown grease
Crude palm oil
Additional 1.2 million tons of high FFA material available for utilization
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Process overview
Eversa® Transform
Crude
Biodiesel
Enzyme
Glycerin(MeOH, Water)
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High FFA Material Converts Quickly
GC=0.101
GC = 0.116
0
3
6
9
0 5 10 15 20Bo
un
d G
lyc
eri
n b
y Q
TA
Reaction Time (hrs)
50/50 Brown Grease/UCO UCO
Conversion of
BG Blend vs. UCO
Data courtesy: Viesel, Inc.
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Glycerin Quality Improvement
Chemical Eversa Transform®
10
Biodiesel/glycerol phase separation
Acidulation / FFA removal
Distillation
Decolorization
Biodiesel/glycerol phase separation
Drying Drying
Decolorization
Acidulation / FFA removal
Distillation
>95% glycerol
>97% glycerol
> 99% glycerol
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Enzymatic Biodiesel Handbook
http://novozymes.com/en/solutions/bioenergy/enzymatic-
biodiesel/Pages/enzymatic-biodiesel-handbook.aspx
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Process Trend
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Enzymes…
are proteins that act as catalysts
are highly specific
are renewable and biodegradable
operate under mild process conditions
can replace chemicals in many areas of industrial production
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Polishing Methods
Standard
• One-pot method (caustic wash without phase
separation)
In Development
• One-pot hybrid (modified wash with reduced caustic)
• Resin process
• Enzyme esterification
Other options
• Blending
• Modified glycerol polish