power to fuels modelling of production
TRANSCRIPT
Power to Fuels
Modelling ofmethanolproductionAnnukka Santasalo-AarnioJudit Nyári, Markus Laitinen
Daulet Izbassarov, prof. Ville Vuorinen
Aalto UniversityEnergy ConversionDepartment of Mechanical Engineering
Santasalo-Aarnio et al. 2020https://doi.org/10.4271/2020-01-2151
https://youtu.be/mK41f24lX1k
Research Group of Energy ConversionAalto University
Prof. Mika Järvinen
Prof. Annukka Santasalo-Aarnio
Prof. Ville Vuorinen
HeadProf. Martti Larmi
Energy Transition
Storages
Electricityproduction
Heatproduction Mobility
ELEC
CHEMENG
Systems Business
Materials
5The World Energy Council Germany:INTERNATIONAL ASPECTS OF A POWER-TO-X ROADMAP (2019)https://www.weltenergierat.de/ptxstudie/
Where do we need power t X?
PtX -Carboncompounds/H2
Methanol: a clean-burningmultipurpose fuel
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Sources: Methanex, Investor Presentation, Macrh 2019ATA Markets Intelligence S.L., Renewable Methanol Report, December 2018
Emission reductions when compared to heavy fuel oil
Renewable methanol production
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Source: ATA Markets Intelligence S.L., Renewable Methanol Report, December2018
7
Mixture
Methanol plantStudy boundaries
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Economic feasibility
Process simulation
Nyári et al. 2020 J. CO2 utilization,https://doi.org/10.1016/j.jcou.2020.101166
REACTORHX4
MIXER1
HX5
HX6
SPLITTER
DISTLSEP1
SEP2
COMPR5MIXER2
BOILER
COMPR4
COMPR3
COMPR2
COMPR1
HX1
HX2
HX3
RECT
HX7
HX8
250
50
FEED
250
50
PRODUCT
47
50
MIX
18
2
CO2FEED
50
50H2FEED
30
50
S8
30
45 RECYCLE
30
45 RAWMEOH
30
1
S11
87
1
S12
30
45
PURGE30
45
S9
103
1
BOTTOM
66
1
S1330
1CO2RICH
42
50S10
32
1
S16
1509
1
STEAM
15
1
AIR
120
50S7
118
22
S5
120
10S393
4
S1
38
4
S2
38
10S4
38
22
S6
60
1
VAPOUR 60
1
S15
66
1
S14
30
1METHANOL
120
1
S17
Temperature (C)
Pressure (bar)
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Nyári et al. 2020 J. CO2 utilization,https://doi.org/10.1016/j.jcou.2020.101166
Production cost of methanol
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0
100
200
300
400
500
600
700
800
Leve
lised
cos
t of M
eOH
(€/t)
Fixed OPEX Catalyst Electricity Cooling water CO2 H2 CAPEX Methanex price
Methanex price for fossilmethanol October 2021
Nyári et al. 2020 J. CO2 utilization,https://doi.org/10.1016/j.jcou.2020.101166
Methanex price for fossilmethanol - 2020
Scale of plant(250 - 10 kt/a)
O2 selling(Yes - No)
CO2 cost(25 - 75 €/t)
Electricity cost(20 - 40 €/MWh)
500 600 700 800 900 1000 1100
Levelised cost of methanol (€/ton)
Bottlenecks of economic viability
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Nyári et al. 2020 J. CO2 utilization,https://doi.org/10.1016/j.jcou.2020.101166
Comparison to other LCOMeOH studies
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0 20 40 60 80 100 120
300
400
500
600
700
800
900
1000
This paper Asif et al., 2018 Atsonios et al., 2016 Hannula, 2015a Kourkoumpas et al., 2016 Pérez-Fortes et al., 2014 Rivera-Tinoco et al., 2016 Szima and Cormos, 2018 Tremel et al., 2015 Varone and Ferrari, 2015 Wiesberg et al., 2016
Leve
lised
cos
t of m
etha
nol (
€/to
n)
Electricity cost (€/MWh)
Nyári et al. 2020 J. CO2 utilization,https://doi.org/10.1016/j.jcou.2020.101166
Computational Fluid Dynamics
Aim and objectivesDevelopment of intensified cost-effective methanol synthesis processstarting from H2 and CO2 using modular milli-scale reactor design.
CFD modelling of multi-tubular and milli-scale reactors.
Adiabatic and Isothermal reactorsSoftware:OpenFOAM Izbassarov et al (2021)
https://doi.org/10.1016/j.ijhydene.2021.02.031
2D Fixed-bed Reactor
𝑇𝑖 = 523𝐾, 𝑝𝑖 = 5𝑀𝑃𝑎, 𝑅𝑒 = 100, 𝑆𝑉 = 6𝑚3 𝑘𝑔𝑐𝑎𝑡⁄ ℎ
Adiabatic reactor
Izbassarov et al (2021)https://doi.org/10.1016/j.ijhydene.2021.02.031
p2xenable.fi
2D Fixed-bed Reactor
17
Adiabatic Isothermal
Izbassarov et al (submitted)Izbassarov et al (2021)https://doi.org/10.1016/j.ijhydene.2021.02.031
Experimental reactor systemMethanol synthesis from CO2 and H2
Process conditionsT: 200 – 250 °Cp: 30 – 50 bar
CommercialCu-based catalyst
Optimized with modelling
Height: 50 cmInner diameter: 3,8 cm(Volume: 0.567 L)
Integrated oil cooling channels on theoutside3 places for temperature sensors3 places for pressure sensors
Reactor Details
• Different catalyst materials• Different catalyst packings• Different feed gas compositions (e.g.
CCU product gases)• Validation of simulation results (Aspen
Plus& OpenFoam simulation)• The effect of operating conditions in
modified cases
Research topics