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![Page 1: Sustainability Considerations of Infrastructural Changes to Material Flows from Bio-Sourcing Earl R. Beaver Institute for Sustainability October 5, 2004.](https://reader036.fdocuments.in/reader036/viewer/2022081519/56649e245503460f94b11e5a/html5/thumbnails/1.jpg)
Sustainability Considerations of Infrastructural Changes to Material
Flows from Bio-Sourcing
Earl R. Beaver
Institute for Sustainability
October 5, 2004
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Two important conclusions:
Resulting Concentrations
0
100
200
300
400
500
600
700
800
1990
2000
2010
2020
2030
2040
2050
2060
2070
2080
2090
2100
pp
mv
Preindustrial CO2 Concentration
280 ppmv
2x Preindustrial CO2 Concentration 550 ppmv
2) Short Term Emissions Limits Have LittleEffect on Resulting CO2 Concentration
-
5.0
10.0
15.0
20.0
25.0
1990
2000
2010
2020
2030
2040
2050
2060
2070
2080
2090
2100
Pg
C/y
r
IS92aAnnex I, stabilization
IPCC & Kyoto Emissions
1) Development is likely to drive carbon emissions monotonically upward.
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Coal/Oil/Gas
Geothermal
Sources: PCAST data < 1990, Shell futures scenario.
Note: All fossil is combined, as are wind and solar electricity in the term intermittents.
SURPRISE!Intermittents
Solar/PVWind
Nuclear
Hydro
80%
1%
29%
10%7%
20%
Biomass
%
En e
rgy
Con
trib
ution
Year
EJ/year
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Source: NREL
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Two Routes to Products
PetrochemicalIndustry
Agriculture& Forestry
ConsumerProducts
BuildingBlocks
Engineering Processing
Manufacturing
Chemistry AgronomyBiotech
Recycling
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Agricultural Advance:Person-hours to harvest 1 acre wheat...
0.1
1
10
100
1850 1900 1950 2000
Hours
Source: Mindshift, P. Pritchett.
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ModifiedTechnology
TraditionalTechnology
Bio-processes
NovelMolecules
CURRENT PRODUCTS NEW PRODUCTS
Waste &By-products
Existing Crop Parts
DedicatedCrops
ModifiedGenetics
Processing systems
Demand for Consumables
PLANT
INPUT
Year2020
Technologyfront today
Technology progress is a “front” including both chemistry and biotechnology...
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Petrochemicals
Finite
Breakdown tosimple molecules
Transport
Synthesize morecomplex molecules
Manufacture
Renewables
Bio-basedSustainable
Extract and modify materials
Manufacture
Consumer goods
Transport ?
Opportunitiesfor low cost and/orhigh performance
Opportunitiesfor existing ormodified lowcost inputs
Developing/evolvingbio-based system
Specifically evolvedhydrocarbon system
Consumer goods
Transport
Low costdriven
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USDOE Vision of Biomass Flows
http://www.eere.energy.gov/biomass/
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Feed
Food Use Wet Milling
76%
15%3%
Seed2%
Oil
Germremoved
Ground
EthylAlcohol
FloursGritsBran
Tortillas, chips
Alkaline cooked
Acid steep then ground and separated.Germ removed
GlutenStarch
Syrups
Foods & Industrial uses
fermented
SOURCE: USDA, Corn Refiners Association, NCGA
7%
Direct Consumption(sweet corn, etc)
1%DryMill
3%
North American Corn Utilization
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Ethanol
HFCS
Food & Industrial
Feed for livestock
Export (grain)
SOURCE: FAPRI, NCGA, USDA
Export (food)
Where does a field of corn go..
PoultrySwineCattle
Seed
GRAIN
RESIDUEStays in
the field
On each acre,~2,800 lbs dry matter is left in the field.
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What’s in a field of soybeans...
Protein38%
Carbohydrate30%
Oil19%
Other13%
Typical composition
Typical Domestic Use
EdibleOil
32%
Food8%
Feed60%
Export accounts foraround 35% production
SOYBEANS
RESIDUE
Stays inthe field
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Technology & Commercial Needs
Plant Science
Unit costsYieldConsistencyInfrastructureDesigner plants
EconomicsSeparationsConversionBio-catalystsInfrastructure
EconomicsFunctionalityPerformanceNovel uses
Price/value PerformancePerception
Utilization(Demand)
Utilization(Materials)
ProcessingProduction
GenomicsEnzymesMetabolismComposition
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Next generation products will require matching technology with customer needs...
MappingSequencingExpression
Bioinformatics
TRAITS
GENES
ProteinEngineering
MolecularBreeding Designer
CropsGrown
Germplasm Base
Structural &Functional Genomics
FutureConsumerNeeds
BreedingTransgenics
HarvestHandling
SeparationsProcessing
MaterialsManufacture
Computer & InformationalSciences
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Agronomic traitsimpact production
Market-orientatedcommodities
RENEWABLE RESOURCESMUST BE PLANNED & INTEGRATED
Consumer demand:quantity & quality
Basic biotechnologyGene screensGenomics
System for sustainable, renewable resources has complex interactions...
Industrial traitsimpact raw
material quality
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Crosscutting Issues
• Separations• Chemical Synthesis• Fresh water - use, reuse and release• Energy consumption• Resource consumption• Modeling of processes - design &
operation• Sustainable Development
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Maturity of Separations ProcessesU
se
Technical Sophisitication
Adapted from George Keller, 1987
Invention Patent Activity Wanes
First Use
100 Years
Dilute Solutions
Affinity Separations
Filtration
Liquid Membranes
Distillation
Membranes: Gas
Membranes: Liquid
Adsorption: GasAdsorption: Liquid
Leaching
ExtractionAzeotropic Distillation
Solution Crystallization
Ion Exchange
Centrifugation
Melt CrystallizationFroth Flotation
Decantation
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Maturity of Separations ProcessesU
se
Technical Sophistication
Adapted from George Keller, 1987
Invention Patent Activity WanesFirst Use
100 Years
Dilute Solutions
Affinity Separations
Filtration
Liquid Membranes
Distillation
Membranes: Gas
Membranes: Liquid
Adsorption: GasAdsorption: Liquid
Leaching
ExtractionAzeotropic Distillation
Solution Crystallization
Ion Exchange
Centrifugation
Melt CrystallizationFroth Flotation
Decantation
Simulated Moving Bed Chromatography
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Research Areas for Extraction
• Physical properties: emulsion, Marangoni & coalescence
• Equilibrium models: electrodynamic, diluent & quantum mechanical effects
• Improve science of “rag layers”
• Predict effects of surfactants and contaminants
• Develop large-scale homogeneous extraction models
• Develop selective solvents
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Water Separations
• Water separations are everywhere
• Water separations are likely to be more prevalent in the future
• Need methods to make rapid and accurate flowsheet predictions
• Need to make nondistillation separations as predictable as distillation
Source: David Short - DuPont
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Dilute Solutions Research Needs
• New separations materials– Immobilization of separations agents– Synthesis of highly selective agents– Robust catalysts– Switchable ligands
• Hybrid systems – Complexation filtration– Magnetic filtration– Field-induced filtration– Reactive extraction & reactive membranes
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Chemical Synthesis Needs
•New synthetic techniques
•New catalysts & reaction systems
•Stereospecificity - Chirality
•Alternative raw materials
•Synthesis tools for molecular control
•Molecular architectures in alternative reaction media
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Societal Climate Cost Considerations
• Agricultural• Human Health• Food Production• Drought• Flood• Population Displacement• Diminished Food Security• Fresh Water Availability• Infectious Diseases• Desertification• Infrastructure Stress• Loss of biodiversity• Sea Level Rise
• Heat Stress• Coral • Mangrove• Coastal• Tundra• Wetlands• Forests• Glacial retreat• Threats to Fisheries• Soil Salinization• Coastal Erosion• Tropical Cyclones• Thermal Water Pollution
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Acknowledgements
• Gene Petersen & Helena Chum – NREL
• http://www.eere.energy.gov/biomass/
• ORNL Science & Technology Highlights, No. 2, 2004, p.9.
• Matthew Retoske (formerly of BRIDGES to Sustainability)