Energy Efficient GO-PEEK Hybrid Membrane Process for Post-combustion CO 2 Capture DOE Contract No. DE-FE0026383 Shiguang Li, Travis Pyrzynski, James S. Zhou, Howard Meyer, Gas Technology Institute (GTI) Miao Yu, University of South Carolina (USC) Yong Ding, Ben Bikson, PoroGen Corporation (PoroGen) Presentation for Kickoff meeting December 7, 2015
Outline >Introduction to team members >Project overview >Technology fundamentals/background >Plans for each budget period 2 2
Introduction to GTI and USC > Co-educational research university > Not-for-profit research company, located in Columbia, South Carolina providing energy and natural gas solutions to the industry since 1941 > Prof. Yu Group : expertise in thin films, > Facilities : 18 acre campus near coatings, membranes, absorption and Chicago, 28 specialized labs transport mechanisms 3
Introduction to PoroGen and Trimeric > Chemical process engineering, R&D, and other technical services > Materials technology company commercially manufacturing products > Extensive experience on CO 2 from high performance plastic polyether processing facilities ether ketone (PEEK) > Several staff members have led carbon > Products ranging from membrane filters capture technoeconomic evaluation to heat transfer devices projects for the DOE 4 4
Project overview > Performance period : Oct. 1, 2015 – Sep. 30, 2018 > Funding : $1,999,995 from DOE; $500,000 cost share > Objectives : Develop a hybrid membrane process combining a conventional gas membrane unit and a hollow fiber membrane contactor (HFMC) unit to capture ≥90% of the CO 2 from flue gases with 95% CO 2 purity at a cost of electricity 30% less than the baseline CO 2 capture approach > Project participants: 5 5
Team member roles Member Specific Project Roles > Project management and planning > Quality control and performance testing for graphene oxide (GO) and PEEK membranes > Construct an integrated GO-PEEK testing system > CO 2 capture testing of the integrated GO-PEEK process GO membrane development: CO 2 permeance ≥1,000 > GPU; CO 2 /N 2 selectivity ≥90 > PEEK membrane development: intrinsic CO 2 permeance >3,000 GPU > High-level technical and economic feasibility study 6 6
The project organization and structure Department of Energy Mr. José D. Figueroa Project Oversight GTI GTI Ms. Kate Jauridez Mr. Howard Meyer GTI • Project overview Contract administrator Dr. Shiguang Li- PI • Project QA/QC • Coordinate project activities • Project management GTI • Project QA/QC Mr. Vann Bush Managing Director Internal consultant Trimeric USC PoroGen GTI Mr. Ray McKaskle Prof. Miao Yu Dr. Yong Ding Mr. Travis Pyrzynski • Technical and • PEEK membrane • System integration and • GO membrane economic feasibility development development testing study 7 7
Integration with coal-fired power plants: installed downstream of FGD 13.2% 1.3% GO-PEEK CO 2 CO 2 Hybrid process 95% purity CO 2 8 8
GO conventional gas membrane process GO : single-atomic layered, oxidized graphene 9 9
GO membrane technology based on our pioneering work published in Science (2013, 342 (6154) 95) A 1.5 500 nm B h, nm 1.0 0.5 0 250 500 750 x, nm Single-layered GO flake 10 prepared as thin as 0.7 nm 10
Procedure developed for coating GO on hollow fiber support towards CO 2 /N 2 separation Vacuum GO Hollow dispersion fiber (HF) Vacuum to fill HF with GO dispersion Remove HF from the container while still vacuuming to remove GO Vacuum dispersion from the HF Vacuum GO Air drying coating Air 11 11
GO membrane supported on polyethersulfone (PES) hollow fiber as thin as 40 nm A B PES Uncoated fiber fiber 1 cm surface 500 nm C D 40 nm Coated fiber Coated surface fiber cross section 100 nm 500 nm 12 12
CO 2 permeance of 100 GPU and a CO2/N2 of 49 obtained at 40 ° C for a humidified CO 2 /N 2 mixture Permeance, Ideal GPU Membrane selectivity CO 2 N 2 PES support 240 280 0.86 20 15 1.3 Dry GO on PES Wet GO on PES* 97 2 49 * Pure gas with 75% saturated water 13 13
Transport mechanism: hybrid surface/ solution diffusion 14 14
PEEK HFMC process A B 15 15
Background: GTI, PoroGen have been developing singular PEEK HFMC technology since 2010 Bench scale program 0.5 MW pilot scale program ( DE-FE0012829 ) ( DE-FE0004787 ) 2017 2015 2018 2010 2012 2013 2014 2016 2011 BP1: TEA and design for 0.5 MW pilot plant BP3: Integrated field testing BP2: Membrane desorber BP1: Membrane 16 absorber 16
What is a membrane contactor? > High surface area membrane device that facilitates mass transfer Gas Membrane Absorption Liquid CO 2 P P CO 2 (g) CO 2 (l) P liquid P gas CO 2 > Separation mechanism : CO 2 permeates through membrane and reacts with the solvent; N 2 does not react and has low solubility in solvent > Why PEEK HFMC ? Polymer Max service temperature ( ° C) Teflon TM 250 PVDF 150 Polysulfone 160 17 PEEK 271 17
Membrane module scaled to 4-inch diameter, successful field testing completed at Midwest 2” bench High mass transfer coefficient achieved with aMDEA solvent > 4” diameter Mass transfer CO 2 removal > 60” long coefficient, rate > 2,000 GPU CO 2 1.2 (sec) -1 93.2% permeance Conventional contactors: 0.0004-0.075 (sec) -1 18 18
Recently module further scaled to 8-inch, and showed contactor mass transfer coefficient of 2.0 (sec) -1 8-inch module aMDEA solvent CO 2 removal rate Mass transfer coefficient > 8” diameter > 60” long 90.3% 2.0 (sec) -1 > 2,600 GPU CO 2 permeance 19 19
Preliminary TEA for GO-PEEK Hybrid Membrane Process 20 20
Preliminary TEA: COE of GO-PEEK process can be 31.4 % lower than that of DOE Case 12 > To achieve DOE’s cost target (COE 30% < Case 12) requires Lower capital and operating costs: the projected capital costs for GO- PEEK are 14% lower than Case 12 Higher net plant efficiency: 31.6% for GO-PEEK vs. 28.4% for Case 12 45%/45% capture case preliminary TEA results 550 MW net power plant mills/kWh (2012$) Total capital costs 48.58 Total fixed operating costs 6.57 Total variable operating costs 8.56 Fuel 33.81 CO 2 TS&M 9.99 Total LCOE for GO-PEEK process 107.51 Total COE for GO-PEEK process 84.81 Total COE for Case 12 123.61 % of COE less than DOE Case 12 31.4% 21 21
Plans for Each Budget Period (BP) Two BPs, each 18 months 22 22
Technical goals and success criteria > Technical goals: CO 2 permeance ≥ GO 1,000 GPU Separate and CO 2 /N 2 selectivity ≥ membranes capture ≥ 90% CO 2 90 GO-PEEK from a simulated hybrid flue gas with 95% Intrinsic CO 2 process CO 2 purity permeance ≥ 3,000 PEEK GPU membranes CO 2 mass transfer coefficient ≥ 2 (sec) -1 > Success criteria Integrated GO-PEEK process testing complete, 90% CO 2 removal rate and 95% CO 2 purity achieved Technical and economic feasibility study report issued. DOE cost goal (COE 30% less than baseline CO 2 capture approach) validated Final technical report submitted to DOE 23 23
Overview/roadmap Task 1: Project management and planning ( throughout the project) GO Membrane Development PEEK Membrane Development Task 2.0 (USC) – Preparation of GO membranes Task 3.0 (PoroGen) – Fabrication of 3,000 on porous hollow fiber supports to achieve CO 2 GPU PEEK hollow fiber membrane modules BP 1 permeance ≥ 500 GPU, CO 2 /N 2 selectivity ≥ 55 Task 4.0 (GTI) – QC and membrane contactor (18 months) Task 5.0 (USC) – GO membrane optimization testing of the PEEK hollow fiber membrane towards CO 2 permeance ≥ 1,000 GPU and modules CO 2 /N 2 selectivity ≥ 55 Task 6.0 (USC) – Further GO optimization towards CO 2 /N 2 selectivity ≥ 90 Task 7.0 (GTI) – Performance stability testing of GO membranes using simulated flue gases Integrated GO-PEEK Hybrid System BP 2 Task 8.0 (GTI) – Modification of an existing Task 9.1 (USC) – GO Task 9.2 (PoroGen) – (18 months) HFMC apparatus to GO-PEEK system membrane support for PEEK membrane support integrated testing for integrated testing Task 10.0 (GTI) – CO 2 capture testing using integrated GO-PEEK hybrid system Task 11.0 (Trimeric) – High-level technical 24 and economic feasibility study 24
BP1 overview > Performance period : Oct. 1, 2015 – March 31, 2017 > Funding : $814,748 from DOE; $255,624 cost share (24%) > Objectives : GO membrane unit : CO 2 /N 2 selectivity ≥55 and CO 2 permeance ≥1,000 GPU PEEK HFMC unit : membrane intrinsic CO 2 permeance ≥3,000 GPU; Selectivity will be achieved through the use of aMDEA solvent > Project participants: 25 25
BP1 timeline, tasks, milestones and decision points 26 26
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