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UoM BP 2013 Design Project Presentation

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on 13 May 2013

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Transcript of UoM BP 2013 Design Project Presentation

FISCHER-TROPSCH
DIESEL AND GASOLINE PRODUCTION Investment:
US$322 million
(2yrs)

Gross Profit
US$726 million/yr

Pay-back Period:
3 years Why? ECONOMICS ANALYSIS Rapid global
population growth Depletion of
Natural Resources Energy Crisis Global
Warming [Group BP 2013]
N. Bhargava; Y.X. Siew; M. Song;
W.W. Wong; J. Yang; M. Alharbi

[Project Supervisor]
Dr. Thomas Rodgers

School of Chemical Engineering & Analytical Sciences,
The University of Manchester World Proven Natural Gas Reserves at end-2011 Source: OPEC's Annual Statistical Bulletin, 2012 Edition. TEXAS Sketch of Plant Layout But why build the GTL plant
in TEXAS? U.S. - 2nd largest recoverable natural gas reserves at end-2011.
Leading natural-gas producing state; a production of 6.63tcf (end-2011).
2nd most populous state - 26 million residents
High domestic market demands for gasoline and diesel.
U.S. government encourages Americans to use low-sulfur content diesel. The process was first discovered by German chemists, Franz Fischer and Hans Tropsch, who worked at the Kaiser-Wilhelm-Institut for Chemistry in the 1920s.

nCO + 2nH2 -(CH2)n- + nH2O

Fischer-Tropsch (FT) process involves the conversion of syngas (hydrogen and carbon monoxide) into valuable fuel products.

Project Life:
15 years

Target Production:
18,000bpd of DIESEL
6,000bpd of GASOLINE

Operation Rate:
8,000 hours per year Block Flow Diagram PRE-TREATMENT OF NATURAL GAS [ NATURAL GAS ] From storage buffer tanks. [ ACID GAS REMOVAL ] To remove hydrogen sulfide
and carbon dioxide.
Absorption-Stripping concept.
Absorbent: MDEA. [ DEHYDRATION ] To remove high water content in feed.
Absorption-Stripping concept.
Absorbent: TEG. [ AIR SEPARATION UNIT ] Oxygen supply to auto-thermal reformer. [ STEAM REFORMER ] Feed Ratio: 0.32
Methane-Reforming Conversion: 0.83
Syngas (H2/CO) Ratio: 3.84
KATALCOJM 57-4 Series Catalyst [ AUTO-THERMAL REFORMER ] Feed Ratio: 0.68
Auto-thermal Reforming Conversion: 0.77
Syngas (H2/CO) Ratio: 1.20
KATALCOJM 57-4 Series Catalyst SYNGAS PRODUCTION [ GAS TREATMENT ] [ FT REACTOR 1 ] Conversion: 0.68
Operating Conditions: 446K, 11 bar
Cobalt Catalyst FISCHER-TROPSCH PROCESS Overall Conversion: 0.78
Syngas (H2/CO) Ratio: 2.02 [ FT REACTOR 2 ] Conversion: 0.68
Operating Conditions: 446K, 11 bar
Cobalt Catalyst Flue
Gas [ FRACTIONATION COLUMN ] TREATMENT OF PRODUCTS [ CATALYTIC CRACKING UNIT ] To crack heavy wax into
lighter hydrocarbons and fuel products. END-PRODUCTS:
Light Hydrocarbons
Gasoline
Diesel To separate the outlet products
of the FT reactors into targeted end-products of the GTL plant. Heavy
Wax SUSTAINABILITY Breakeven Point Overall Conversion: 0.90 Turbines
Generate electricity required by
pumps and compressors.

Light Alkanes
Recycled back to furnace
associated with steam reformer.

Treated Waste Water from Condenser
Recycled back to fuel steam reformer.

Social Sustainability
More job opportunities for the local community. Proposed Gas-to-Liquid Plant Acid Gas
Removal Gas Dehydration Catalytic
Cracking Unit Thank You for Your Attention! Any Questions? ECONOMICS ANALYSIS FT Reactor 1 FT Reactor 2 Storage Diesel Storage Gasoline Fractionation
Column Auto-thermal
Reformer Steam
Reformer
Full transcript