Embed Size (px)
Citation preview
Value Added Chemicals and Materials from Future Pulp Mill Biorefineries
Art J. RagauskasIPST, School of Chemistry and BiochemistryGeorgia Institute of Technology, Atlanta, GA
Ragauskas TeamRagauskas Team
Lignin Cellulose Hemicellulose Extractives ChemistryLignin, Cellulose, Hemicellulose, Extractives ChemistryPine, Spruce, Birch, Maple, Poplar, Eucalyptus, Acacia, Global PartnershipsGlobal Partnerships Chemical/mechanical Pulping, Bleaching Fib M difi ti C it P k i Fiber Modification, Composites, PackagingBiomass Characterization Bi f l N ll lBiofuels, Nanocellulose Xylan films/foams Bi fi i Biorefining
Today’s Pulp MillToday s Pulp Mill
Products:• Pulp/Paper• Extractives• Power
Tommorow’s Pulp Mill Forest BiorefineryTommorow s Pulp Mill Forest Biorefinery
Products– Pulp/Paper– PowerPower– Nanocellulosics– Hemicellulose Films, Foams, – Lignin– Biofuels
Lignin carbon fibresLignin carbon fibres
New Cellulosics
Nanocellulose Whiskers
Microfibrillated cellulose
100 100 nmnm
Cellulosic Composites
Crosslinked Nanocellulose
Nanocellulose Balls
Lignin
SWSW
Current Pulp Mill: Mostly ends up inCurrent Pulp Mill: Mostly ends up in cooking liquor and burned for energy and recovery of cooking chemicals
New Lignin Applications
Cracking to Phenolicsg
Cracking & Hydrotreatmentto Green Diesel/Gasolineto Green Diesel/Gasoline
Carbon FibersActivated Carbon
Polymers, Dispersants, Flocculants
Hemicellulose
OOR
OH
O
OH
OO
O
OO
OORO
OR
O
OHOH
RORO
OR
OROH
O
HO
O
OH
O
OH
OHHO
OH
HOOH
O OH
OO
HOO
HOO
OO
HOOH
OO O
OOH
O
HOOH
CH3O
OOH
HOH2C
Current Pulp Mill: Mostly lost during pulping
OCOOH OH
O 2C
Hemicellulose from black liquor, chips saw dust and forestry residueschips, saw dust and forestry residues
Strength Aid for PaperXylan Foams
g p
50
55
60
Inde
x
30
35
40
45
8.0% 8.5% 9.0% 9.5% 10.0% 10.5%
Tens
ile
ControlBirchOat Hulls
Xylan FilmsXylan %
FurfuralFurfural
100 µm 100 µm
100 µm
Ethanol from Forestry ResiduesEthanol from Forestry Residues
Green Gasoline/Diesel from Bark
The Forest BiorefineryEnergy Chemicals/MaterialsEnergy Chemicals/Materials
Ethanol Fibers Ethanol FT-diesel Pyrolysis
FibersCellulosic
DerivativesN ll loil: Diesel
Gasoline Wood
NanocelluloseBarriers FilmsHydrogels
Ph lWood Pellets
Power
PhenolsCarbon fiberBindersPowerDispersantsActivated
carbonValue-Added
Compounds
