CLEAN FUELS MODULAR REFINERY PLATFORM OVERALL PROCESS FLOW DIAGRAM

To Heaters and/or Steam and/or Power Generation FGS/LPG/C5S

C4- Butanes & Light Ends LPG GAS High Octane GasolineMerox CONCENTRATION

S RemovalC3/C3=/IC4/NC4/C4=

GASOLINE 82-200F Light Straight Run LSR Low Octane GasolineStabilization

LCN & Merox

Fuel Gas (FGS) FGS

HYDROGENPSA or MSEP

H2 H2 NAPHTHA 200-400F Staight Run Naphtha NAPHTHA UOP CYCLE X High Octane Gasoline

HDS REFORMING HCN

H2DIESEL 400-650F Staight Run Distillate DISTILLATE Ultra Low Sulfur Diesel

HDSCRUDE HCO LCO

Fuel Gas (FGS) C2- C3/C3=

GAS OIL 650+F Atmospheric Gas Oil C4/C4=Light Cat Naphtha

UOP Heavy Cat Naptha H2MSCC Light Cycle Oil

Heavy Cycle OilDeSOX Clarified Oil (CLO) CLO

COKE HDSTo Power Generation Heavy Fuel Oil (HFO)

Legend: Green denotes Gasoline Precursor or BlendstockMagenta denotes Diesel Precursor or BlendstockBlue denotes use as fuel for Fired Heater Duty and/or Steam Boiler and/or Power Generation

07:29 PM Notes: HDS=HydroDeSulfurization using Cobalt/Molybdenum Catalysts 31-Mar-2008

MSCC=MilliSecond Catalytic Cracker; PSA=Pressure Swing Absorption; MSEP=MembraneSEParation TomCatIP

SULFUR & WATER RECOVERYsweet gas rich amine

AMINE AMINE acid gassour gas CONTACTOR lean amine REGENERATION

SULFUR sulfurRECOVERY

acid gasSOUR WATER

sour water STRIPPER waterWASTE WATER water

ISBL water TREATMENT

Note: Based on Arizona Clean Fuels permitted configuration 12:16 AM 31-Mar-2008 TomCatIP

LIGHT ENDS CONVERSION & RECOVERYFuel GasC3 Mix C3 LPG

ISBL light ends GASConc & Separation C4 Mix C4 LPG

PropaneBUTANE Butane

Purchased Field Butane CONVERSION* High Octane Gasoline

Octane Enhancement Choices: NC4* Fixed Bed Alkylation IC4* HF Alkylation* Solid Phosphoric Acid (Cat Poly) BUTANE* Iso-Octene/ane ISOMERIZATION 07:29 PM

31-Mar-2008Note: Based on Arizona Clean Fuels permitted configuration TomCatIP

ZERO LIQUID DISCHARGE SYSTEM

Evaporation Drift SURFACECONDENSER

Make-UpCOOLINGTOWER

SIDESTREAM PRESSURE REVERSE BRINE CRYSTALLIZERCLARIFIER FILTER OSMOSIS CONCENTRATOR

| || Salt Solids

HRSG BlowdownSLUDGE WASTEWATER BF Make-Up Waste

PROCESS SUMP Other Plant

Dry Cake 07:29 PMSolids 31-Mar-2008

TomCatIP

FUEL BLENDING , FLUE GAS TREATMENT & ENERGY MANAGEMENTSOURCES Hydrogen Liquified Purchased Heavy Off

Methane Petroleum Natural Fuel SpecUSES Ethane Gases Gas Oil Products

Heaters Crude, DHDS, MSCC, NHDS, EVAP A LSteam Package 120 MMBTU/Hr Triplets A LPower Dual Fuel Wartzila 2.5 MW Triplets L A

A=Primary SourceL=Last Resort

HYDROGEN CASCADE MANAGEMENT SYSTEMQUALITY High Purity Med Purity Low Purity Crap Dump

HeavyFuelDeSufurization ADieselHydroDeSufurization BNapthaHydroDeSufurization CFuel DClear Flare E

Letters=Order of Preference

WATER PREPARATION & TREATMENT01:57 AM

31-Mar-2008TomCatIP

TETRA TECH EM INC.

MHA NATION FEE-TO-TRUSTAND REFINERY EIS

FIGURE 2-3WASTE WATER TREATMENT SYSTEMWITH FULL RECYCLING OF WATER

ANALYSIS AREA: MOUNTRAIL & WARD COUNTIES, ND

Date: 5/19/2006 File Name: R:\EPA\MHA\FRW_Alt 1-A.ppt

1

Source: Based on information from Greystone Environmental Consultants, Inc.

mol`bpp “Excellence in Applied Chemical Engineering”

HF AlkylationProcess Schematic

Olefin Feed &Isobutane

Fresh Acid

Acid Oils

Propane

N-Butane

Alkylate

Reactor

Settler

Depropanizer

Stripped HF

Isobutane Recycle

HF Regenerator

DeIsobutanizer

HF Stripper

Deflourinator

Debutanizer

mol`bpp “Excellence in Applied Chemical Engineering”

IsomerizationProcess Schematic

Desulferizedn-Paraffin Feed

HeaterHydrogenation Reactor

Hydrogen

IsomerizationReactor

Dryer

Dryer

Hydrogen and LPG

IsomerateProduct to Gasoline

Separator

mol`bpp “Excellence in Applied Chemical Engineering”

Catalytic ReformingProcess Schematic

Naphtha Feed

1st Pass Heater

1st Pass Reactor

2nd Pass Heater

Reformate to Fractionation

Recycle Compressor

2nd Pass Reactor

3rd Pass Heater

3rd Pass Reactor

HP Separator

LP Separator

LPG

High PurityHydrogen

mol`bpp “Excellence in Applied Chemical Engineering”

HydrotreatingProcess Schematic

Feed

Feed/EffluentExchanger

Fired Heater

Quench H2

Recycle Compressor

Make-up Compressor

Reactors

Make-up Hydrogen

Purge Hydrogen

H2S Acid Gas

LPG

Product to Fractionator

Low Pressure Separator

High PressureSeparator

Effluent Cooler

HP Amine Absorber

Chemex, Inc.

1. Wärtsilä 20V32 engine2. OilCube Auxiliary module3. OilCube Treatment module4. Maintenance water tank5. Air compressor, 7 bar

6. Starting air compressor7. Ventilation intake louvre8. Intake air filter9. Starting air vessel

10. Charge air silencer

11. Exhaust gas silencer12. Cooling radiators13. Exhaust stack14. Expansion vessel15. Oil mist separator

16. Overhead crane17. Generator ventilation duct18. Generator19. Ventilation outlet fan

Power Master

64 x 54 mArea: 3456 m2

Oil Cube – Wärtsilä 3237 x 14 mArea: 518 m15% of Power Master layout

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OilCube power outputsTechnical data 50 Hz/750 rpm 12V32 16V32 20V32

Power, electrical kW 5327 7124 8924

Heat rate kJ/kWh 7859 7834 7818

Electrical effi ciency % 45.8 46.0 46.0

Technical data 60 Hz/720rpm

Power, electrical kW 5211 6970 8730

Heat rate kJ/kWh 7859 7834 7818

Electrical effi ciency % 45.8 46.0 46.0

Dimensions and weight (generating set with liquids and 150 mm high spring elements)

Length mm 10030 11239 12200

Width mm 3050 3300 3300

Height mm 4420 4343 4420

Weight tonne 90 114 137

Heat rate and electrical effi ciency at generator terminals, including engine-driven pumps. ISO 3046 conditions and LHV. Tolerance 5%. Power factor 0.8.

MAIN TECHNICAL DATA

Engines Wärtsilä 12V32, 16V32, 20V32 Ambient temperature 0…+40 °C Noise level 70 dB(A) 100 m

OilCube auxiliary module Fuel booster with massfl ow Prelubrication oil pump HT preheater Thermostatic valves Sludge collection

OilCube treatment module 2 x HFO separators Heater HFO/HT water Separated fuel tank LO separator

Control system local Control panel with remote monitoring as option

Cooling radiator Single circuit, low noise on the roof

Ventilation Free in, forced out

Max temperature inside power house +50 °C

5