Optimizing of a hydrogen production plant by optimization

1

Graz, 23.01.2020

Optimizing of a hydrogen production plant by optimization of the CO2 removal step

Jürgen Loipersböck

Agenda

04.02.2021CEBC202

Overview of research

Gasification & syntheses

CO2 removal

Hydrogen production

Summary & Outlook

04.02.2021CEBC203

Graz(Head office)

Vienna

Wieselburg

Tulln

WHAT Austrian competence centre for

biomass utilization since 15+ years

WHERE 4 research sites across Austria

WHO ~100 researchers from all academic

career levels (mostly engineers)

HOWNational and international research

funding + industry partners(~9 Mio EUR turnover per year)

04.02.2021CEBC204

Research AreasFixed bed conversion

Fluidized bed conversion Biological Conversion & Integration

Three main departments plus

additional (crosscutting) departments:

- Microgrids

- Simulation

- Automation and control

- Supply chain

Agenda

04.02.2021CEBC205

Overview of research

Gasification & syntheses

CO2 removal

Hydrogen production

Summary & Outlook

Gasification & Syntheses

04.02.2021CEBC206

From low-grade fuel to

high value products.

Lo

w-g

rad

e fu

el

Waste, agri-

residues, sewage

sludge, …

Hig

h-v

alu

e P

rod

uc

ts

Gasification &

Synthesis

Thermal

Electrical

SNG

Hydrogen

Diesel

Kerosine

Alcohols

Waxes

BTX

H2 price: <5 €/kg

Agenda

04.02.2021CEBC207

Overview of research

Gasification & syntheses

CO2 removal

Hydrogen production

Summary & Outlook

04.02.2021CEBC208

10-15% of the

fuel power

CO2 separation by MEA scrubbing

• Removal of CO2 and

H2S

• Pressure-less

process

• Industrial proven

04.02.2021CEBC209

• High energy demand

– Desorber temperature

140-160°C

• Foaming

• Poison

+ -

CO2 separation by MEA scrubbing

04.02.2021Das ist die Fußzeile der Präsentation10

high energy demand

CO2 separation by MEA scrubbing

• Parameter variation of

– Desorption temperature (district heat level)

– Adsorption temperature

– Solvent flow

04.02.2021CEBC2011

CO2 separation by MEA scrubbing

04.02.2021CEBC2012

6.6 9.2 12.0

Solvent flow in [mol_MEA/mol_CO2]

Standard parameters:

TDes. = 90°C

TAds. = 40°C

Flow solvent = 12 molMEA/molCO2

Solvent flow variation

Solvent flow [molMEA/molCO2]

CO

2se

pa

ration

[%]

CO

2se

pa

ration

[%]

Adsorber temperature variation

Adsorber temperature [°C]

CO2 separation by MEA scrubbing

04.02.2021CEBC2013

Desorber temperature [°C]

CO

2se

pa

ration

[%]

Variation of desorber temperature

Agenda

04.02.2021CEBC2014

Overview of research

Gasification & syntheses

CO2 removal

Hydrogen production

Summary & Outlook

04.02.2021CEBC2015

ηH2 = 54 %

ηoverall = 55%

04.02.2021CEBC2016

Why produce hydrogen from biomass?

Current feedstock used for H2 production. (Arregi et al., 2018)

Fraile et al., 2015

48%

30%

18%

4%

Natural gas Oil Coal Electrolysis

4350

7

8

0

10

20

30

40

50

60 58

20252010

50

+16%

Western Europe Global

Mio

to

nn

es o

f H

2?

04.02.2021CEBC2017

Why produce hydrogen from biomass?Projected 2030 H2

cost [EUR/kg H2]

References:

A portfolio of

power-trains for

Europe: a fact-

based analysis by

McKinsey

Hydrogen from

biomass

gasification by

IEA

3

0

6

1

2

4

5

0,8

IGCC

0,7

Electrolysis

decentral

2,3

5,5

Steam Methane

Reforming

2,8

0,8

0,8

3,0

4,4

Electrolysis

central

BioH2

Ø 4,0

Coal

Gasification

3,0

3,6 3,8

5,2

4,6Distribution Production

Fossil-based Renewable

50MW3,8

200MW?

Agenda

04.02.2021CEBC2018

Overview of research

Gasification & syntheses

CO2 removal

Hydrogen production

Summary & Outlook

• Parametervariation CO2 removal (district heat

level possible)

• Hydrogen efficiency of 54% could be confirmed

• Hydrogen price 3.8-4.5 €/kg (depending on

plant size)

04.02.2021CEBC2019

Paper: Experimental Demonstration and Validation of Hydrogen Production

Based on Gasification of Lignocellulosic Feedstock

https://doi.org/10.3390/chemengineering2040061

→http://www.romeo-h2020.eu/

04.02.2021CEBC2020

04.02.202121

Acknowledgement

The research leading to these results has received

funding from the COMET program managed by the

Austrian Research Promotion Agency under grant

number 844605. The program is co-financed by the

Republic of Austria and the Federal Provinces of

Burgenland, Lower Austria and Styria. Co-funding from

the industry partners shall be highly acknowledged.

This project has received funding from the European

Union’s Horizon 2020 research and innovation program

under grant agreement No. 680395. The work reflects

only the author’s view. The Commission is not

responsible for any use that may be made of the

information it contains.

The authors thank the project partners for the support

during the execution of the project.

DI Jürgen Loipersböck

Junior Researcher | Syngas Processes

juergen.loipersboeck@best-research.eu

T +43 5 02378 - 9355

Dr. Gerald Weber

Unit Head | Syngas Processes

gerald.weber@best-research.eu

T + 43 664 4532 782

Dr. Markus Luisser

Area Manager | Gasification Systems

markus.luisser@best-research.eu

T + 43 664 8878 3145