TomCat IP, LLC

CFMRP Process Flow DiagramsPrivate and Confidential

This confidential and proprietary information is provided to Astra Energy, LLC by TomCat IP, LLC under a license-free agreement for intellectual property associated with design and construction of a Clean Fuels Modular Refining Platform (CFMRP).

Drawings are sourced from the December 2001 report to the European Union entitled “Integrated Pollution Prevention and Control (IPPC) Reference Document on Best Available Techniques for Mineral Oil and Gas Refineries.”

April 2, 2008

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Process Flow DiagramsClean Fuels Modular Refining Platform

April 2, 2008

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Milli-Second Catalytic Cracker

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Continuous Catalytic Reformer

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Distillate HydroTreater

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HF Olefins Alkylation

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Catalytic PolymerizationAlternative Option to HF Alkylation

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C4 / C5 Isomerization

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Light Ends LPG Fractionation

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or

DEAERATOR

Steam Generation

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Crude Desalter

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Amine Circulation System

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Claus Sulfur Treater

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Tail Gas Recovery

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Vapor Recovery

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Flare System

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Water Preparation & Uses

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Sour Water Stripper

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Waste Water Treatment

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Caustic Treater

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Caustic Cascade

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End

April 2, 2008

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Octane Enhancement Options

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Fixed Bed Catalytic Reforming

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Fixed Bed Alkylene ProcessAlternative Option to HF Alkylation

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Fixed Bed Alkylene ProcessAlternative Option to HF Alkylation

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Butane Isomerization

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LPG Merox Treater

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Hydro De-Sulfurization

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Water Preparation Options

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Conventional Water Preparation

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Vertical Tube Falling Film Vapor Compression Evaporator Schematic

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Vapor Compression Zero Liquid Discharge Schematic

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VTFFE / ZLD Water Preparation

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End

April 2, 2008

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