Low-Pressure Membrane Contactors for Carbon …...Low-Pressure Membrane Contactors for Carbon...
Transcript of Low-Pressure Membrane Contactors for Carbon …...Low-Pressure Membrane Contactors for Carbon...
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Low-Pressure Membrane Contactors for Carbon Dioxide Capture
DE-FE0007553
−Richard Baker, Ken Chan, Brice Freeman, Don Fulton, Jennifer Ly,
Pingjiao Hao, Jay Kniep, Vincent Nguyen, Ivy Huang (MTR)
−Glenn Lipscomb, Terry Lou (University of Toledo)
NETL CO2 Capture Technology Meeting Thursday July 31, 2014
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Project Overview
• Award name: Low-Pressure Membrane Contactors for CO2 Capture • Project period: 10/1/11 to 9/30/14 • Funding: $ 3.0 million DOE; $1.0 million MTR • DOE project manager: Mike Mosser • Participants: MTR, University of Toledo • Project scope: Develop compact large membrane area (> 500 m2), low
pressure drop plate-frame sweep module for CO2 capture application. • Project plan: The key project work organized by budget period is as follows:
– BP1: Construct prototype laboratory modules (20m2), select components, develop fabrication technology.
– BP2: Scale up production to 1m x 1m pilot scale modules (100m2), demonstrate with lab test system that modules meet CO2 separation performance and pressure drop targets.
– BP3: Scale up to full scale module (> 500 m2), show modules meet all performance targets. Be ready to test at NCCC.
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MTR CO2 Capture Team
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Tim Merkel Director of R&D
Xiaotong Wei 1MWe Demo Project
DE-FE0005795
Prof. Glenn Lipscomb
U. Toledo
CFD – Tomography Studies Module Design
Membrane Production
Group – Steve White Jennifer Ly
Engineering Support –
Saurabh Pande Don Fulton
Module Production and Testing –
Ivy Huang Ken Chan
Vincent Nguyen
Device Development
Brice Freeman Membrane Hybrid Project
DE-FE0013118
Pingjiao Hao MTR CFD &
U Toledo Liaison
Jay Kniep Project Manager
Richard Baker Project PI
DE-FE0007553
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A separation is performed at a minimal energy cost.
The MTR Membrane Contactor
A Way of Generating an Affordable (Partial) Pressure Difference
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Coal Power Plant with a Membrane CO2 Pre-Concentrator
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Coal Power Plant with a Membrane CO2 Pre-Concentrator
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Current Approach Uses Modified Spiral-Wound Modules
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Each module contains 20 to 50 m2 of membrane.
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Module Pressure Drop is Key
• 1 psi = 3 MWe for a 500 MWe plant
• Best spirals still have a 4 psi pressure drop on the sweep side
• Need to develop a module for this application
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0
5
10
15
20
25
30
2008 2009 2010 2011 2012 2013 2014 2015
Sweep SidePressure Drop (psi)
Year
Spiral Wound Modules
Plate and Frame Module
Project TargetArea
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The Issues and Solutions
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– Skid packing density
– Manifolding
– Footprint
– A sweep process
– Needs low pressure drop
Large area modules, compact skids
Needs wide, straight channels on both sides of the membrane
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Two Membrane Contactor Designs
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Countercurrent
Cross-flow
– Most efficient – Difficult to make
– Uses 40% more membrane area – Easier to make
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Progress to Date (DE-FE0007553)
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• BP1 – Footprint: 0.3 m x 0.6 m – Modules: 20 m2
• BP2 and BP3 – Footprint: 1 m x 1 m – Modules: 100 m2
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100 m2 Membrane Module
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100 m2 Membrane Module Details
• 60 – 70 individual membrane envelopes
• Weighs 100 kg completely assembled
• Has ~200 m of glue line seals (no leaks)
• Has the equivalent membrane area of 5 – 8” spiral wound membrane modules
• Sweep side pressured drop <0.5 psi
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Our Concept
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A single 100 m2
module element
50 Module elements connected to make a 5000 m2 module
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Large-Area Plate-and-Frame Modules
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Membrane Module Skid Total Cost
$20/m2 $10/m2 $20/m2 $50/m2 + + =
50 Module elements connected to make a 5000 m2 module
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Feed Direction
Sweep Direction
Membrane Contactor with Vessel
Test System
Membrane Module and Test System
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500 m2 Skid for Testing at NCCC
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100 m2 Module Sweep Side Pressure Drop
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0.1
0.2
0.3
0.4
0.5
0 20 40 60 80 100
Sweep air flow rate (SCFM)
Sweep sidepressure drop
(psid)
Module #8
2.5 psig
5 psig
12.76 psig
Feed side pressure
8 psig
12 psig
Sweep side air flow and pressure drop changes with membrane characteristics and operating conditions, but the effect is consistently small.
1 bar feed 1000 gpu
1 bar feed 2000 gpu
2 bar feed 1000 gpu
Module operating conditions
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Various Module Flow Designs
Design
Membrane area needed compared to
countercurrent Countercurrent (CC)
100%
Cross-flow (XF)
137%
Partial countercurrent
108% Series cross-flow
126%
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What’s Next
Accomplishments to Date • 100 m2 defect free modules made • Pressure drops reduced to < 0.5 psi. • Five module (500 m2) skid made and ready for
NCCC test. Next Steps • Test five module skid at NCCC • Scale up plan to get module skid cost to $50/m2
implemented. 20