GTC TECHNOLOGYGTC TECHNOLOGY Corporate Introduction · Cement Thai. GTC - Technology Provider GTC...
Transcript of GTC TECHNOLOGYGTC TECHNOLOGY Corporate Introduction · Cement Thai. GTC - Technology Provider GTC...
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GTC TECHNOLOGYGTC TECHNOLOGYCorporate Introductionp
Benzene Reduction in Motor Gasoline -Obligation or Opportunity?Obligation or Opportunity?
XV Foro de Avances de la Industria de la RefinacionSep 2009
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Sep 2009
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Corporate Overview• Technology Provider for theec o ogy o de o t e
• Petrochemicals, • Chemicals,
Refining• Refining.
• Headquartered in Houston, USAq
• Research facilities in Montana, USA
• Regional offices in Beijing, Singapore, Milan, Mexico and Brno.
• Process know-how, Engineering, Equipment and Services
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Equipment, and Services.
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Recent Licensing History
• Recent Licensees include:PetroChinaSinopecSinopecCPC Reliance IndustriesSABICSABICBraskemConoco PhillipspIndian Oil CorporationLukoil CorporationSonatrach CorporationSonatrach CorporationGS-Caltex CorporationChandra Asri
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Cement Thai
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GTC Technology Inc. in the Refining and Petrochemical Industry
GTC Portfolio
St C k
C4 Processing ButadieneNGL
Light Olefins
Heavy OlefinsSteam CrackerPetrochemical
Complex C5 ProcessingIsoprenePiperylenesDCPD
Pyrolysis Gasoline StyreneStyrene
Heavy Olefins
BenzeneOxidation
Hydrogenation
Phenol
Cyclohexane
TolueneNaphtha
Reforming
PGO ProcessingResin OilsNaphthalene
Naphtha
Recovery Styrene
Hydro-treating
atio
n AlkylationMethanol
Toluene
Desulfurization
Reforming
Kerosene
GasoilCrude
BTXRecovery
Fuel
Cru
de D
istil
la
Transalkylation
Xylenes Crystallization
FCCU
GasolineDesulfurization
DieselD lf i ti
Oil
Residue
Fuel
Fuel
Xylenes Crystallization
Isomerization
Paraxylene
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Desulfurization Fuel
FuelHeavy aromatics
GTC licensed technologies
Technology under development
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Technologies
GTC Technologies in the Polyester Chain
Ethylene
PYGASCyC6
GTC
OthersEO
Benzene
MEG
GT -DMT SM
PET
GT -STDP SMGT -Styrene ®
Styrene
GT - TolAlk SM
PygasMeOH.
Reformer GT -Cryst PX SM GT -PTA SM
PolyconTol .
GT -CAR ®PygasHydro
C -C
GT -BTX ®
GT -IsomPx SM
Fiber/FilmGT -SRE SM
GT -Transalk SM
C 9 -C 10
OXGT -BTX PluS O2 Enrichment
Advanced ProcessControl (APC)
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Introduction
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Ben ene Red ction In GasolineBenzene Reduction In Gasoline
R l ti d O tiRegulations and Options
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Jan 1 2011 US EPA MSAT (Mobil SourceJan. 1, 2011 – US EPA MSAT (Mobil Source Air Toxics) requires refiners to meet an annual average benzene content of 0 62%volannual average benzene content of 0.62%vol in gasoline (reformulated and conventional) nationwidenationwide
– Current national content is ~1.0%vol
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•Crude Unit•Crude Unit–Naphtha: typically 0.5 –1.0%vol
•Catalytic Reforming Unit (Reformer)–Reformate: typically 4 –9%vol
•Fluidized Catalytic Cracking Unit (FCC)–Naphtha: typically 0 5 –1 5%vol–Naphtha: typically 0.5 –1.5%vol
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Typical Contribution of Benzene from Refinery UnitsRefinery Units
LSR/RaffinateFCC GasolineOthersCatalytic Reformate
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Options for Refiners1. Remove benzene precursors from
reformer feed to reduce benzenereformer feed to reduce benzene production
2. Saturate benzene in gasoline blending streamsstreams
3. Solvent extract benzene from gasoline3. Solvent extract benzene from gasoline blending streams
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1. Remove benzene precursors from Reformer feed to reduce benzene production.feed to reduce benzene production.
Cyclohexane, Methylcyclopentane, nHexane, Benzene and C7s
•Impact:•Impact:
Octane loss, ,
less H2 from Reformer,
newly created low value stream of light naphtha
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naphtha
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Reformer prefractionation -Naphtha Splittere o e p e act o at o ap t a Sp tte
Removes CH, MCP, C6-paraffins and some C7s
Advantages
Si l di till tiSimple distillation
Disadvantagesg
May not achieve <0.62%vol in pool
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Light Naphthawith benzene lit
ter precursors
Lower - BenzeneReformate
NaphthaCatalyticReformerha
Spl
ReformateReformer
Nap
hth
N
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Avoid Benzene Production-Overall ImpactOverall Impact
• Reformate volume reduced by taking• Reformate volume reduced by takingaway precursors
• Disposition of contained-benzene plusprecursors is often a problemp p
• Net hydrogen production reduced
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2 S b i li bl di2. Saturate benzene in gasoline blending streams
•Impact:
Octane loss
H2 consumption
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Process Flow Scheme for Hydrogenation
H2
Benzene-CatalyticFull-Range Sp
litte
r
FreeBlendstock
CatalyticReformer
Range Naphtha
Hydrogenation
orm
ate
SR
efo
Benzene-Free Reformate
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GTC Technology partners with CRI gy pto provide Benzene Saturation TechnologyTechnology
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Advantages of GTC’s Benzene Saturation TechnologyBenzene Saturation Technology
1 Si l li bl d i1. Simple, reliable designs2. World class catalyst technology partner3. Modular Construction
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(benzene reduction options, cont.)(benzene reduction options, cont.)
3. Recover benzene for petrochemical sales
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• Upgrades gasoline component toUpgrades gasoline component topetrochemical value
• Satisfies the increased demand forbenzenebenzene
• Permits optimum reformer operation• Creates opportunity for further
t h i l dpetrochemical upgrades
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N hth plitt
er C6/C7 Raffinate
BenzeneProduct
CatalyticReformer
NaphthaGT-BTXsm
rmat
e Sp
Ref
or
C7 + Benzene-Free Reformate
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Extract Benzene for Petrochemical U O ll I tUse Overall Impact
• Permanent solution• Produces highest revenues compared
with other benzene managementwith other benzene management alternatives
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Opportunity for Revenue Generationfrom Benzene Productionfrom Benzene Production
• State-of-the-art technology yields a favorable return on investmentfavorable return on investment
• Grassroots projects can be profitable
• Existing plants can be revamped to gain large increase in benzene production a ge c ease be e e p oduct ocapacity
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Process Methods for Benzene Recovery
• Liquid - Liquid Extraction• Glycol Solvents• SulfolaneSulfolane
• Extractive Distillation• GT BTX• GT-BTX
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GTC - Technology ProviderFl S h f Li id Li id E t tiFlow Scheme of Liquid-Liquid Extraction
RaffinateH2O
RaffinateAromatics ExtractSolvent
Feed
Flow Scheme of Extractive DistillationFlow Scheme of Extractive DistillationSolvent
Raffinate Aromatics Extract
FeedExtract
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GTC - Technology ProviderEfficient System for Benzene Recovery
Raffinate
Efficient System for Benzene Recovery
Solvent Aromatics Extract
•Best Solvent Selectivity
Extract
Feed
•Lowest Capital CostEDC
•Lowest Operating CostSRC
•Lowest Initial Solvent Inventory
SRC
•Low Solvent Make-up
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Low Solvent Make up
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Comparison of Different Solvent Systems for Aromatics Recovery
Relati e olatilit (α)
for Aromatics Recovery
Solvent S/FRelative volatility (α)
n-C7/benzene
Techtiv-100 (GT-BTX®) 3.0 2.44Sulfolane 3.0 2.00N methyl pyrrolidone 3 0 1 95N-methyl pyrrolidone 3.0 1.95N-formyl morpholine 3.0 1.89Tri-ethylene glycol 3.0 1.44Tetra-ethylene glycol 3.0 1.39Glycol blends (CAROM) 3.0 1.35No solvent 0 0 57
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No solvent 0 0.57
GTC - Technology ProviderAromatic Recovery ProcessesAromatic Recovery Processes
Range of Practical Operation
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C5- reformate to gasoline
blending or steam cracking
Typical Configuration for Benzene Reduction in Gasoline
blending or steam cracking
C6--C7 raffinate to gasoline
blending or steam cracking
te
r tive
tion
mn nFull-range
High-purity BenzeneC6
-
Concentrate
Ref
orm
atSp
litte
r
Extr
act
Dis
tilla
tC
olum
zene
Col
umReformate
ent R
ecov
ery
Col
umn B
enz
Solv
e
Lean Extractive Solvent
Product Toluene
C7+ reformate to
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GT-BTX SM
C7 e o ate togasoline blending
GTC - Technology ProviderP i S hProcessing Schemes
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GTC - Technology ProviderRevamp of Glycol Extraction UnitsRevamp of Glycol Extraction Units
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GTC - Technology ProviderHybrid Design for Incremental Feed
H2O
Hybrid Design for Incremental Feed
Raffinate #1
Raffinate #2
Raf
finat
e W
ater
Was
hW
Extr
acto
rE t t
Aromatics Extract
Extractor Reflux
Rich Solvent
e
Hydrocarbon Feed
Solv
ent
Rec
over
y C
olum
n
activ
e lla
tion
umn Ex
trac
tive
Strip
per
Steam
Incremental Feed
R
Extr
aD
istil
ColFeed
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Techtiv-100 Solvent System
GTC - Technology ProviderHybrid Design to Double Unit CapacityHybrid Design to Double Unit Capacity
Idle
Non-aromaticsRaffinatera
ctor
AromaticsExtract
Old
over
y
very
affin
ate
ter W
ash
Raf
finat
e Ex
tr
Techtiv-100 Solvent
ExtractiveStripper
Solv
ent R
eco
Col
umn
olve
nt R
ecov
Col
umn
mn
Ra
WaR
HydrocarbonFeed
SteamSteam SSo
Extr
activ
e la
tion
Col
umE
Dis
till
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GTC - Technology ProviderRevamp of Existing ED Units to GT-BTXRevamp of Existing ED Units to GT BTX
ProcessModify solventto Techtiv-100
R ffi t
Feed
Raffinate
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Case Study for Benzene RecoveryBasis : Refiner using grassroots application
of GT-BTXsm technology
F ll f t 348 MM l /Full-range reformate 348 MM gals/yr.8.3 MM bbls/yr.
Heavy and light reformate 265 MM gals/yr.y g g y6.3 MM bbls/yr.
Benzene product 23 MM gals/yr.547 MM bbls/ r.547 MM bbls/yr.
C6-C7 raffinate 68.8 MM gals/yr.1.6 MM bbls/yr.y
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Benzene Cost of Production1
Investment US $25 MM
Petrochemical value $3.50/gal
Feedstock (benzene) value - $2.52/gal
Minimum Gross Margin $.98/galMinimum Gross Margin $.98/gal(benzene sales price over blending value)
Utilities $ .28/galUt t es $ 8/ga
Fixed plus allocated costs $ .05/gal
Depreciation $ .09/gal
Production Costs $.42/gal
Net Margin $.56/gal
US $12 9 MM/yearUS $12.9 MM/yearPayback 23 months
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1 Petrochemical values utilized are averages per CMAI, Houston TX “Price/Economics” database as of December, 2007.
GTC - Technology ProviderComparison of BenzeneComparison of Benzene
Management OptionsBasis – 8.3 MM bbls/yr. reformate
.547 MM bbls/yr. benzene
Capital Required Net Revenues Pretax ROIp qLt. NaphthaSplitting $6 MM USD <$1 MM > negative
BZ Saturation $9 MM USD <$1 MM > negative
BZ Extraction $25 MM USD $12.9MM USD >50%
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GTC - Technology ProviderSummary of Alternatives for BenzeneSummary of Alternatives for Benzene
Management1 Avoid Benzene Production1. Avoid Benzene Production
• Lower capital cost• Negative ROINegative ROI• Solution may be temporary and uncertain
2. Convert/Destroy• Hydrogen requirement• Octane Impact
3 Recover Benzene3. Recover Benzene• Realize substantial upgrade• Entry point for refinery petrochemical
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Entry point for refinery petrochemical production
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Conclusions
• Benzene management will require active g qchanges to reforming / reformate operations
• Innovative use of technology can yield the best economics from benzene managementbest economics from benzene management
• Revamp of existing aromatics plants can• Revamp of existing aromatics plants can give excellent ROI, in case of benzene recovery
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recovery
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GTC TECHNOLOGYby Felix Zambrano
Email: [email protected] l 972 887 3802Tel: 972-887-3802
GTC Technology LPTexas USA
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Texas USA