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GTC - Technology Provider

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

GTC Confidential

Sep 2009


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.


Recent Licensing History

• Recent Licensees include:PetroChinaSinopecSinopecCPC Reliance IndustriesSABICSABICBraskemConoco PhillipspIndian Oil CorporationLukoil CorporationSonatrach CorporationSonatrach CorporationGS-Caltex CorporationChandra Asri

GTC Confidential

Cement Thai


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


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

GTC Confidential


•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


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

GTC Confidential


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

GTC Confidential

Low Solvent Make up


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


C6--C7 raffinate to gasoline


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

GTC Confidential

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

GTC Confidential

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

GTC Confidential


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

GTC Confidential

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%

GTC Confidential

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

GTC Confidential

Entry point for refinery petrochemical production


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

GTC Confidential

recovery


GTC TECHNOLOGYby Felix Zambrano

Email: [email protected] l 972 887 3802Tel: 972-887-3802

GTC Technology LPTexas USA

GTC Confidential

Texas USA

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