MEA campaign at TCM DA
Dr. Espen Steinseth Hamborg
Technology Manager
TCM DA
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Current CCS projects in Norway
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Sleipner
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Snøhvit
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Natural gas production
World’s first large-scale offshore
CO2 separation, injection, and
storage site
1 million ton CO2 annually since
1996
Amine based
LNG production
CO2 separation, injection and
storage.
0.7 million tons annually
Amine based
Both applied to natural gas
treatment processes!
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What differs TCM from current CCS?
Gas stream
properties
Current CCS
(Natural gas treatment)
TCM
(Flue gas treatment)
CO2 partial pressures
High
(typically 1 – 5 barA)
Very low
(0.03 – 0.150 barA)
Oxygen contents
Very low
(0 – 0.2%)
Very high
(3 – 15%)
Emissions
Little relevance
(closed process)
Very high relevance
(process open to atmosphere)
Trace components
Relevance
Process degradation
High relevance
Process degradation and emissions
Volumes
Small volumes
Small equipment
Large volumes
Large equipment
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TCM drives amine based CCS technology from natural gas towards
flue gas treatment
Results from TCM will be instrumental due to (partly) open dissemination
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Background of the MEA solvent system
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Amine systems for natural gas treatment stretches back to 1930s
MonoEthanolAmine (MEA) is a conventional amine
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Easily available, low costs
Well understood solvent system; kinetics, CO2 VLE, etc.
MEA solvent: usually an aqueous mixture of 20 – 45 wt% MEA
All patents have now expired
• Freely used by anyone, “open source amine”
• Although still used by commercial vendors with certain patented adaptions
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Results from MEA campaigns are benchmark results of
open nature, and to a large part scientifically disseminated
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Amine plant at TCM – overview
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MEA campaign – purpose & goals
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Some facts;
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Main purpose & goal to generate results from gas turbine operations with CO 2
capture by investigating;
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CO2 capture from gas fired turbines operations provides a very small CO2 footprint for
energy production, but limited data openly available
Two MEA campaigns conducted at TCM; Dec 2013 – Feb 2014 (in collaboration with
Aker Solutions), Jun 2015 – Sep 2015
Verify mass & energy balances with upgraded instrumentations
Revised verified baseline
Plant capacities and CO2 capture from advanced gas power plants (EGR recycling)
Degradation, emission, and reclaiming
Simulation tools
Ambient air and workplace monitoring
Corrosion
Further testing of refinery catalytic cracker flue gas treatment
Results will be standing as a baseline for future vendor testing at TCM, and likely
any future CCS projects based on flue gas treatment
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MEA campaign – Plant operation results
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Example: September 9th 2015, plant data
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Gas turbine flue gas flow rate:
CO2 capture rate:
Specific reboiler duty:
CO2 production:
CO2 mass balance:
59.500 Sm3/hr
~85%
3.6 MJ/kg CO2
3300 kg/hr
100±2%
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MEA campaign – Emissions results
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TCM has the most advanced and comprehensive emission monitoring and surveillance
scheme, and provides experimental evidence for safe environmental impact
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Direct emissions of MEA during the campaign
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Emissions of amines and potentially harmful byproducts were all within emission permits
Online (FTIR, PTR-TOF, PTR-QMS) and offline (iso-kinetic)
Ambient air measurements of MEA and other chemicals
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In collaboration with University of Oslo
Measurements at locations around Mongstad, based on annual weather data
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MEA campaign – Solvent handling results
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Amine solvents inherently undergo degradation processes
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Some amines degrades more than others
Degradation products builds up and gradually “disables” the solvent
Reclaiming process necessary to maintain solvent quality and performance
Solvent before and after reclaiming
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MEA campaign – Corrosion investigation
results
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Very high importance for integrity of amine plants, aim of finding acceptable materials
Various materials corrosion tested in aqueous 30 wt% MEA
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Mechanisms observed
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304l, 316l, S235, Inconel 600, Duplex, EPDM Stellite 6, Stellite 12
From no corrosion to pitting, coarse general corrosion, and total corrosion
Some materials are well suited, others not.
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Dissemination and future activities
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Scientific dissemination and knowledge sharing a major driver for
TCM
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MEA campaign data to be published at 13th Conference on Greenhouse Gas
Control Technologies (GHGT) in November
• 6 abstracts submitted
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TCM provides the highest technical and scientific impact for carbon capture
and CCS development!
Future MEA campaign
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Reduction of degradation processes
Further investigation of flue gas treatment of advanced gas turbine flue gases
Close collaboration with Sintef
• DOCPCC project  automated and intelligent amine plants
• Aerosolve project  further investigations of refinery flue gas treatment
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Further open development of non-proprietary CO2 capture technology
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Thank you for your attention!!!
Acknowledgments to the personnel at Gassnova, Statoil, Shell,
Sasol, and TCM for making this MEA campaign possible!
Acknowledgments to TCM DA owners
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BACKUP SLIDES
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Mongstad energy situation
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Background for Mongstad CHP plant:
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Combined Heat and Power Plant (CHP)
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Inefficient production of electric power at oil
rigs.
Mongstad refinery burned gas in boilers to
produce heat
Investment decision in 2006
Constructed on the condition of the
construction of a CO2 test centre (today TCM)
CHP provided reduction of 300.000
tonnes/year total emissions of CO2
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Increased local emission at Mongstad
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