milena-olga technology at industrial scale
DESCRIPTION
MILENA gasifierOLGA tar removal Royal DahlmanTRANSCRIPT
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MILENA-OLGAtechnology at industrial scale
Malm
May 23rd2014
Robin Zwart
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Presentation contents
Royal Dahlman
The MILENA gasifier:
- Principle of indirect gasification
- Process description of MILENA
- Need for additional product gas treatment
Product gas treatment and conditioning:
- 1stloop of OLGA tar removal technology
- 2ndloop of OLGA tar removal technology
- Additional gas cleaning
- Additional gas conditioning
The MILENA-OLGA technology at industrial scale
- The 4 MWthBio-SNG plant in Alkmaar, NL
- The 7 MWeBio-IGCC plant in Grimsby, UK
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Royal Dahlman
Established in 1886
Private owned, 100% Dutch
Technology company, engineering,project management, production,
commissioning, start-up and training.
Delivering the oil & gas and
power market worldwide License Holder of both
MILENA and OLGA technology
FCC slurry oil filtration package on transport
Royal Dahlman
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OLGA gas cleaning at the ECN laboratory
Royal Dahlman
Cooperation with the
Energy research Centre Netherlands
Largest Dutch energy research centre
Highly regarded for its expertise ongasification, gas cleaning and
catalytic conversion to gaseous and liquid fuels
Patent holder of MILENA and OLGA technology
Working with Royal Dahlman since 2001 onbiomass and waste gasification
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Principle of gasification (1)
+
combustion:
fuel + air (l> 1) flue gas + heat
pyrolysis:fuel + heat gas + char
gasification:
fuel + air (l~0.3) gas
25%
75%
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Principle of gasification (2)
fuel
gas
air
gasifier
fuel
gas
air
flue gas
fuel
energypyrolysis combustion
Combined combustion & pyrolysis
fuel + air (~0.3) gas
Separate pyrolysis
fuel + heat gas + char
Separate combustion
fuel + air (> 1) flue gas + heat
Direct gasification
Indirect gasification
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Process description of MILENA
MILENA an indirect gasifier
Both reactors in one refractory lined reactor vessel
100% carbon to gas ratio
o Resulting in carbon free ash, less waste,
cleaner waste & safer waste
o Resulting in a higher cold gas efficiency
(5 to 15% higher on LHV basis)
Separate flue gas exhaust, no or minimized nitrogen
dilution of the product gas
o Compared to air blown gasification a 3 to 4
times higher heating value.
o Compared to oxygen/steam blown gasification a
much higher efficiency (no ASU parasitic), while
still having 60% more heating value
o Very suitable for gas turbines
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MILENA gas composition dependencies
Activity of the bed material
Choice of fluidisation mediumas well as applied seal gas
Applied feedstock
S/N/Cl content feedstock
Activity of the bed material
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MILENA gas composition consequences
ATEX classification
Fouling
Sulphur removal and CH4/BTX
Water scrubbing and HCN
ATEX classification
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Product gas treatment and conditioning
Tar and dust removal
NH3and HCl removal
DeNOxand DeSOx
IGCC configuration:Tar and dust removal
NH3and HCl removal
HCN and COS conversion
H2
S removal
CxHypre-reforming
SNG configuration:
SNG configuration:
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1stloop OLGA tar removal
Target:
Heavy tar and dust removal
Cooling gas to 60-80C
No water condensation
Performance:
Tar dew point 60-80C
99.99% dust removal
Tar available for recycling
Oil quality maintained
Demonstrated:
Lab and pilot at ECN
Demo in France/Portugal
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2ndloop OLGA tar removal
Target:
Light tar removal incl. fenol
Tar dew point 10C
No water condensation
Performance:
Tar dew point < 0C
99.9% tar removal for OLGA
Tar available for recycling
Minimal oil losses
Demonstrated:
Lab and pilot at ECN
Demo in France/Portugal
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Additional gas cleaning
Target:
Removal of NH3and HCl
Removal of all sulphur
No losses of CH4
Performance:
COS and thiophenesto H2S
(at higher P and lower T)
Unsaturated CxHyconverted
(CH4maintained in gas)
Demonstrated:
Lab at ECN
Demo to be build
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SNG synthesis
Target:
Full conversion of CO & H2
Maximisation of CH4yield
No losses of CH4
Performance:
Conventional technology
both for SNG synthesis
as well as amine scrubber
for CO2removal
Demonstrated:
Lab at ECN
Demo to be build
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Final upgrading
Target:
Removal of water
Odourization
L gas quality
Performance:
Conventional technology
both for water removal
as well as odourization
Optimization:H gas quality by dedicated
hydrogenation of benzene
and unsaturated hydrocarb.
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Biomass to SNG
On small as well as large scales
by far the most efficient process
to SNG based on gasification
SNG configuration:
MILENA-OLGA-Methanation
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Bio-SNG plant Alkmaar (NL)
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Bio-SNG plant Alkmaar (NL)
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Biomass to POWER
On commercially attractive scales
by far the most efficient process
to power based on gasification
IGCC configuration:
MILENA-OLGA-IGCC
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Bio-IGCC plant Grimsby (UK)
Contest:
25% net efficiency from waste
ETI contribution:
13M
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Bio-IGCC plant Grimsby (UK)
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Bio-IGCC plant Grimsby (UK)
Status as of now:
Public hearing on Feb. 14th/15th
Environmental permit duly made
Planning permit granted
Awaiting final decission by the ETI
Plant statistics:RDF, SRF and wood locally sourced
MILENA-OLGA technology
Caterpillar Solar Taurus-60 turbine
7 MWenet power output
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Thank You!
Robin Zwart
www.olgatechnology.com