3. Dry Grind Ethanol Process - IEA USPDry Grind Ethanol Process Overview Vijay Singh Associate...
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Singh – Dry Grind Ethanol Process Ist US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil University of Illinois at Urbana-Champaign Dry Grind Ethanol Process Overview Vijay Singh Associate Professor Department of Agricultural & Biological Engineering University of Illinois at Urbana-Champaign, Urbana, IL 1st Brazil-U.S. Biofuels Short Course São Paulo, Brazil July 27 - August 7, 2009 Ethanol Produced from a Bushel of Corn Corn Dry Grind Facility 2.7 gal (10.2 L) of Ethanol Corn Dry Grind Facility One bushel of Corn (25 kg or 56 lb) 15 lb (6.8 kg) of DDGS Ruminant Food
Transcript of 3. Dry Grind Ethanol Process - IEA USPDry Grind Ethanol Process Overview Vijay Singh Associate...
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Dry Grind Ethanol Process Overview
Vijay Singh
Associate ProfessorDepartment of Agricultural & Biological Engineering
University of Illinois at Urbana-Champaign, Urbana, IL
1st Brazil-U.S. Biofuels Short Course
São Paulo, Brazil
July 27 - August 7, 2009
Ethanol Produced from a Bushel of Corn
Corn Dry Grind Facility
2.7 gal (10.2 L) of Ethanol
Corn Dry Grind Facility
One bushel of Corn(25 kg or 56 lb)
15 lb (6.8 kg) of DDGS
Ruminant Food
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Ethanol Production Process Steps
• Grain Receiving & Cleaning
• Grinding & Mixing• Grinding & Mixing
• Cooking & Liquefaction
• Saccharification & Fermentation
• Distillation & Dehydration
• Coproduct Recovery
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Ethanol Production Process
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Corn Receiving
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Corn Receiving
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Corn Receiving
Corn Receiving
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Corn Receiving
Corn Quality Testing
• Corn delivered at plant is measured for– Moisture content– Moisture content
– Fungus Contamination
– BCFM (broken corn and foreign material)
– Test Weight
– Grade
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Corn Receiving & Storage
Corn Storage and Milling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Corn Milling: Hammer Mills
Corn Slurry Preparation and Cooking
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Cooking: Jet Cooker
Liquefaction
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Liquefaction Tanks
Saccharification and Fermentation
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Yeast Propagation Tank
Different Phases of Yeast Growth Cycle
LAG
LOG
STATIONARY
DEATHGrowth
LAG
Time
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Saccharification and Fermentation
Beer Well
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Distillation
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Distillation
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Mole Sieves
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Mole Sieves
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Mole Sieve Beads
Whole Stillage Processing
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Whole Stillage Centrifuge
Whole Stillage Centrifuge
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Wet Distiller Grains (Wet Cake)
Wet Distiller Grains (Wet Cake)
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Thin Stillage Evaporation and DDGS Drying
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Thin Stillage Evaporation
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Thin Stillage Evaporation
Ethanol Loadout
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Ethanol Loadout
Feed Dryer
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
Feed Dryer
DDGS Storage and Loadout
Corn
Jet Cooker
HeatExchanger
Liquefaction
AlphaAmylase
Milling Glucoamylase
Water
SteamFlash
Thin Stillage
Slurry
BeerDryer
190°Proof
Ethanol
200°Proof
EthanolMole SievesEthanol
Storage
y& Yeast
Saccharification &Fermentation
Steam
Mash
Steam
Thin StillageRecycle
WholeStillage
CentrifugeEvaporator
Syrup
ThinStillage
WetGrains
Distillation System
DDGS
Dryer Recycle
Cooling
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
DDGS Storage and Loadout
DDGS Loadout
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
CO2 Recovery
CO2 Facility
Singh – Dry Grind Ethanol ProcessIst US-Brazil Fulbright Course on Biofuels, Sao Paulo, Brazil
University of Illinois at Urbana-Champaign
CO2 Storage
Regenerative Thermal Oxidizer
