Making Biorefineries Competitive: PRO.E.SA TM The only sugar platform available today
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Transcript of Making Biorefineries Competitive: PRO.E.SA TM The only sugar platform available today
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Making Biorefineries Competitive:Making Biorefineries Competitive:PRO.E.SAPRO.E.SATMTM
The only sugar platform available todayThe only sugar platform available today
Guido Ghisolfi
June 8, 2012
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Commercial-scale cellulosic ethanol plant, Q3 2012: 20 million gallons, Crescentino (13 to start)
Cellulosic costs less
No subsidies required
Three points that will change the industry:
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$3B per year #2 producer
of PET
Engineering Division
Technology for biomass to
sugars
M&G Group: Biomass Technology & Experience
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2006 – 2008
Scouting of technologies;Generation of key inventions;Proof of UNIT OPERATION in the labs.
2009 – 2010
Pilot plant construction & start up (June 2009);Pilot plant operation and data gathering;Test of plant flexibility using multiple biomasses.
2011 – 2012
Crescentino unit;
Technology licensing.
PRO.E.SATM Technology Step by Step
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Ready solution for industrial production of 2G Ethanol
PRO.E.SATM
Technology
BIOMASS
C5 Sugar
C6 SugarFermentation
YEAST
ETHANOL
LIGNIN
Separation
( Energy Generation)
A Total Project Solution based on:
1. Agronomy: Field experimentation and best energy crops identified and characterized;
2. Biomass Pre-Treatment and Viscosity Reduction: Continuous process developed and piloted to produce cost-effective and clean fermentable sugars;
3. Hydrolysis and Fermentation: Unique hybrid SSCF process scheme yielding high ethanol concentrations.
PRO.E.SATM Technology
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Crescentino Plant
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PRO.E.SATM Technology: From Biomass to Sugar
Without use of chemicals;
Optimizing C5 and C6 sugar extraction;
Minimizing the formation of by-products/inhibitors;
Using continuous equipment enabling design for
large scale plant;
Minimizing CAPEX and OPEX.
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The Continuous Pilot Plant: How it operates…
Biomass agnostic;
No biomass drying / grinding required;
Low level of inhibitor (lower then in P.O.C.);
No use of chemicals (only steam is added);
Reduced enzyme loads;
Rapid liquefaction of the solid material;
High solid concentration (>40%) in the hydrolysis step.
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Biomass: Our Experience at Pilot Plant
PRO.E.SATM technology is flexible in feedstock supply: possibility to treat worldwide crops;
Several biomasses were evaluated and tested as potential feedstock for the PRO.E.SATM technology:
Internal analysis according to Chemtex methods
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Pre-Treatment Section: Biomass Type
High feedstock flexibility
Energy crops:
Arundo donax (giant reed);
Miscanthus giganteus;
Panicum virgatum (switchgrass).
Agricultural and industrial residues:
Wheat straw;
Rice straw;
Sugarcane bagasse.
Woody species:
Eucalyptus;
Poplar,
Internal data tests at pilot scale
Differences in yield (4 to 5 tons dry biomass/tons EtOH) index mainly depends on feedstock composition;
It is possible to reduce the yield variability optimizing the process condition.
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Hydrolysis and Fermentation
High solid concentration enzymatic hydrolysis is needed to guarantee the economics of
ethanol recovery through distillation
0
2
4
6
8
10
12
14
16
18
20
20 25 30 35 40 45
Solid content in hydrolysis, % wt
EtO
H i
n b
eer,
% w
t
C5 conv=90%
C5 conv=60%
C5 conv=30%
C5 conv=0%
Available solution
M&G solution
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LCA – Full Scale Projection
E100 Gasoline
CO2 emissions [g/km] 15 169
GHG emissions [gCO2 eq/km] 27 172
- 91%- 84%
The lifecycle performances of bioethanol produced through Chemtex technology at a full industrial scale have also been estimated by means of the GREET model;
Scale benefits will allow a further improvement of the bioethanol environmental profile.
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Baseline Process Scheme
2G Bioethanol Plant
Biomass
THOSE INTERMEDIATES REPRESENTTHOSE INTERMEDIATES REPRESENTA STARTING POINT FOR A NEW GREEN A STARTING POINT FOR A NEW GREEN CHEMISTRY BASED ON RENEWBLES CHEMISTRY BASED ON RENEWBLES
PRO.E.SA™PRO.E.SA™
M&G
Lignocellulosic
sugar
technology
C6 Sugars
C5 Sugars
By-product Lignin
TECHNOLOGY
IS
READY!
2G BIOETHANOL
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How to exploit PRO.E.SATM Technology
…?…?…?
ETHANOLOGEN
ENZYMES
PRO.E.SA™PRO.E.SA™
M&G
Lignocellulosic
sugar
technology
We can adapt the composition of the sugar stream to
various fermentations:
With / without lignin;
Higher / lower sugar concentration;
Free from inhibitory compounds.
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How to exploit PRO.E.SATM Technology
BUTANOLBUTANOLGREEN DIESELGREEN DIESEL
JET FUELJET FUELETHANOLETHANOL
1,4 BDO1,4 BDO
FATTYALCOHOLS
FATTYALCOHOLS
ADIPIC ACID
ADIPIC ACID
ACETICACID
ACETICACID
PEPEEGEG
PXPX
THE BIOMASS SUGAR PLATFORM