Thermal Process Engineering
SHOCOTEC
SHOCOTEC
Short Time Contacting Process for the Desulphurisation
of Renewable Gaseous Energy Carriers
Martin Miltner,
Aleksander Makaruk,
Ass.Prof. Michael Harasek
[email protected]
Achema 2012
Institute of Chemical Engineering
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Thermal Process Engineering
SHOCOTEC
The project
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Funded by Austrian national grant (FFG)
Duration: 24 months
Started in January 2012
Partners:
• Institute of Chemical Technologies and Analytics,
TU Vienna
• Axiom Angewandte Prozesstechnik GmbH
• QuantaRed Technologies GmbH
Achema 2012
Institute of Chemical Engineering
page 2
Thermal Process Engineering
SHOCOTEC
Key facts
 Develop a novel process for the desulphurisation of




renewable gaseous energy carriers
Focus: biogas and producer gas from wood steam
gasification
Based on already developed technology of chemicaloxidative scrubbing
Enhancement of process intensification, separation
selectivity and plant economics
Development and application of advanced laserspectroscopic analysis methods
Achema 2012
Institute of Chemical Engineering
page 3
Thermal Process Engineering
SHOCOTEC
Example: simplified flowsheet of biogas
upgrading plant for the production of biomethane
to be injected to the natural gas grid
gaspermeation:
CO2CO
Abtrennung
2 separation
Membranstufe 1
chemicals
Chemikalien
adsorption:
H2Sremoval
Feinabtrennung
(Adsorber)
residual
H 2S
Kühlung
cooling
(Trocknung)
(drying)
Membranstufe 2
adsorption:
Abtrennung
removal
of
von TOC,
TOC,
tar,
Teer,
...…
Produktgas
product
gas
Biomethan
biomethane
(CH44-reich)
rich)
Rohgas
raw
gas
Ausschleusung
effluent
2S-Wäscher
HH2S
scrubbing


Kompressor
compression
H2O (NH3)
Erwärmung
reheating
Recycle
offgas
Offgas
(CO22-reich)
(CO
rich)
Raw gas desulphurisation is integral part of gas upgrading
Especially crucial at elevated H2S-contents in raw gas or if high
fluctuations in gas quality or quantity are to be expected
Achema 2012
Institute of Chemical Engineering
page 4
Thermal Process Engineering
SHOCOTEC
Commercially
available process:
Chemical-oxidative
scrubbing at biogas
upgrading plant with
natural gas grid injection
at Bruck/Leitha, Austria
Demister
Rohgas
Development
towards:
• Short-time contacting
process
• Highly compact and
intensified
• Precise analysis of
reactant concentration
Achema 2012
Reingas
Absorptions-Apparat
H2O2
NaOH
pH
Level
Frischwasser
QCL
system
H2O2
Institute of Chemical Engineering
Cond.
Abwasser –
verdünnte Salzlösung
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Thermal Process Engineering
SHOCOTEC
Visit us:
 www.virtuellesbiogas.at
 bio.methan.at
 www.bio-methaneregions.at
Achema 2012
Institute of Chemical Engineering
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