Modular Gas-to-Liquids Technology · Advantages in Fischer-Tropsch Fischer-Tropsch Synthesis...
Transcript of Modular Gas-to-Liquids Technology · Advantages in Fischer-Tropsch Fischer-Tropsch Synthesis...
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Modular Gas-to-Liquids Technology
John Brophy
10th PIN Meeting, Heriot-Watt University, Edinburgh
June 3, 2004
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Conventional Technology
Revolutionary Processing Systems
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Velocys® Technology
Revolutionary Processing Systems
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Presentation Agenda
Velocys Introduction
Technology Overview
Development and Scale-Up
Gas-to-Liquids application• Steam methane reforming• Fischer-Tropsch
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Formed in 2001 as a spin-out from Battelle Memorial Institute
Over $70 million invested to date
50 employees, including 16 PhD’s, many with 10+ yrs industrial experience
Located in a 27,000 sq. ft. purpose built facility near Columbus, Ohio
Established alliances with engineering and manufacturing firms
Velocys Introduction
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6Business Confidential Information
~ 0.1-0.3 cm
Velocysvs
Conventional Process Technology
~ 5 -15 cm
Conventional
Characteristic dimension
Enabling Technology
Velocys
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Velocys Technology Advantage
Very short distances to the wall:• Enables extremely high rates of heat and mass transfer• Allows use of new, novel, more active catalysts• Accelerates chemical processes by factors of 10-1000X • Results in smaller, more productive reactors• Facilitates control of reactions under optimum conditions• Avoids production of undesirable by-products
- Higher product yields- Lower purification requirements
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Smaller footprint, reduced capital cost, lower operating cost, and shorter deployment time:
• Higher performance - High throughput per unit volume of hardware
• Lightweight and/or compact systems- Modular plant expansion, debottlenecking
• Large scale economics at smaller scales- Lower initial capital investment- Higher yield and efficiency/lower operating costs
• Greater product yield- Precise control of process conditions
Benefits of Technology
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Increased Reactor Throughput
Velocys® Technology systems outperform conventional reactors• Steam reforming (highly endothermic)
- Conventional: >1 second- Velocys Technology: < 5 milliseconds
• Fischer-Tropsch Synthesis (highly exothermic)- Conventional Fixed Bed: >10 seconds- Velocys Technology: < 0.2 second contact time
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Velocys Scale-up Methodology
Full-scaleReactor
CELL
Cell• Internal channel dimensions
same as commercial reactor• Number of channels increase;
size of channels does not• ~ 0.5 - 1 lb/hr
Multi-Cell• Many channels• 10 – 100 lb/hr
Full-Scale• >1000 channels• 1000-3000 lb/hr
Full-scale reactor is the basic building block of a commercial plant
Gas flow
MULTI
CELL
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Feature creation Stacking
Bonding Machining
Shim
Microchannel Manufacturing
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FinishedDevice
Microchannel Manufacturing
Fabrication development• Large stacks
~ 1000 shims• Demonstration of
mass manufacturing techniques• Established
manufacturing supply chain partners
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Offshore Gas Upgrading by Gas-to-Liquids Process
Producing syncrude from local natural gas resources
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Reviewing the GTL Process
Steam Reforming CO / H2 Products
Diesel Product
Air
H2 H2O
Gas Recycle
Steam
Fischer Tropsch
Local Natural
Gas
Hydro-Cracking
Natural Gas
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Velocys Steam Reformer
Velocys Reactor
Reaction rates 10 to 1000 times faster than conventional systems
10 to 100 times higher than in conventional reactors
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Advantages in Steam Reforming
Transfer heat from combustion reaction directly to reforming reaction• Avoid high resistance of convective heat transfer• > 20 W/cm2 (defined by plane separating SMR and combustion
reaction)
• > 50 W/cm3 (defined by total reactor volume)
Intense reforming reaction• Conventional reformer: ~1 second contact time• Velocys reformer: <5 millisecond contact time
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Transportable Modules
Feed and Product piping manifoldsall connections flanged on ends
Modules can be scaled to fit on a truck or a barge depending on plant site
Modules can be scaled to fit on a truck or a barge depending on plant siteFlexible Capacity
• 100 - 1,000+ BPD Multi-module, transportable system
Reformer Modules• Contain 6 reactor
assemblies• ~13 ft wide x 19 ft long
x 13 ft high• approx 40-50 tons • 2,000 – 3,000 bpd of
GTL fuels
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High-Capacity Microchannel Systems
High Capacity• 10,000+ BPD • Land-based or ship
mounted with conventional marine hulls
• Current design work for commercial floating, production, storage and off-loading facility
• Project completed by external engineering firm
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Advantages in Fischer-Tropsch
Close integration of exothermic Fischer-Tropsch synthesis and steam generation
-(CH2)n-+
H2OCO + 2 H2
Heat
Fischer Tropsch Catalyst
Water Steam/water
Partial Boiling
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Catalyst Activity Improvements Enabled by Velocys Technology
0
20
40
60
80
100
120
0 0.02 0.04 0.06 0.08 0.1
Fractional Metal Dispersion
met
al-ti
me
yiel
d10
4 s-1
Iglesia et al., Adv. Catal. 39, 221 1993Iglesia et al., Adv. Catal. 39, 221 1993
Velocys catalyst formulation
improvements increase activity by
8-fold
Sasol FT Slurry CatalystSasol FT Slurry Catalyst
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Advantages in Fischer-Tropsch
Fischer-Tropsch Synthesis (highly exothermic)• Remove heat via integrated steam generation• Excellent temperature control enables short contact time
- Conventional Fixed Bed: ~10 seconds- Velocys reactor: < 0.2 second contact time
851210Reactor productivity, bl/day/te300-5001,400-1,7001,800-2,000Reactor wt, tonnes35,00019,00019,000Capacity, bpdVelocys
Tubular Fixed Bed *Slurry *
* Source: Hoek, Shell, CatCon2003
Velocys FT reactor efficiency is ~ 7 times conventional
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Summary
Velocys Technology will change how, where, and at what cost fuels and chemicals are produced
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Contact Information
Jeff McDanielBusiness Development Mgr.
(614) 733-3319
Velocys Inc.7950 Corporate BlvdPlain City, OHIO 43064 USA