Siemens Fuel Gasification
Technology at a Glance
Siemens Fuel Gasification Technology
Halsbrücker Str. 34
09599 Freiberg
Germany
Copyright © Siemens AG 2008. All rights reserved.
SFGT Facilities in Freiberg, Germany
5MW
Office
3MW
Freiberg
Page 2
June 2008
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
History of Siemens Fuel Gasification Technology
1978
DBI
Located in Freiberg, Germany (40 km
south-west of Dresden)
Initial technology development with focus
on low-rank, high-ash lignite
1990
Preussag Noell
First commercial plant with start-up in
1984, operated on lignite, coal and various
residuals
Babcock Borsig Power 2000
Own test plants (5 MWth gasifier, feeding
system, fuel analysis)
Future Energy / Sustec
Siemens Fuel
Gasification
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June 2008
2010
More than 20 years of successful
operating experience
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
Plant Design and Siemens Energy Scope
Fuel
Coal
Gas Island
Applications
IGCC
Air Separation
Unit
Fuel
preparation
Lignite
Combined
Cycle
Power
FT
Synthesis
Transportation
fuels
Methanol
Synthesis
Methanol
Ammonia
Production
Ammonia /
Fertilizer
Gasifier
Syngas
Petcoke
(CO + H2)
Gasifier Island
Refinery
residues
CO Shift
Hydrogen
Biomass
Sulfur
Removal
CO2 Removal
Siemens Basic Engineering & Design
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June 2008
Chemicals and Synfuel
Production
Siemens Supply of Key Equipment
Copyright © Siemens AG 2008. All rights reserved.
Siemens EPC
Siemens Fuel Gasification Technology
Schematic of Gasifier Island
Dry coal
Steam
Oxygen
Process Design
Package and Basic
Engineering for
• Gasifier
CO2
Reactor
Raw Gas
Treatment
Raw Gas
• Feeding System
• Raw Gas
Treatment
CO2
Quench
• Black Water
Treatment
Slag
Handling
Granulated
Slag
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June 2008
• Slag Discharge
and Handling
Black Water
Treatment
Waste
Water
Filter
Cake
Off
Gases
Copyright © Siemens AG 2008. All rights reserved.
Equipment Supply
Siemens Fuel Gasification Technology
Siemens Fuel Gasification (SFG)
Technology Highlights
Fuel
Oxygen, steam
Pressurized
water inlet
Cooling
screen
Pressurized water
outlet
Burner
Cooling screen
short start-up / shut-down
low maintenance
high availability
Reactor
1300 to
1800°C
Quench
water
Full quench
simple and reliable
ideal for CO sour shift
Quench
Gas outlet
Granulated slag
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June 2008
Dry feeding
high efficiency
high carbon conversion rate (> 98 %)
can process low-rank coals
Multi-fuel gasifier
accepts a wide variety of fuels (e.g., bituminous
& sub-bituminous coal, lignite, biomass, liquids)
tar-free raw gas
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
Unique Cooling Screen Technology
Advantages
Liquid
slag
Membrane
wall
Solid
slag
Pressurized
water
Enables reduced reactor
dimensions
Leads to higher availability
Self protecting
Self-renewal of protection layer
Ramming
mass
1000
Water
1500
T[°C]
500
Pipe coil
with studs
250
70
Tube
0
Ramming Mass
5
10
15
Slag
20
25
[s/mm]
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June 2008
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
An
t
hr
ac
Pe
ite
tc
ok
e
Lo
bi w-v
tu
m ola
in ti
Me ous le
di
co
u
Hi m-v al
gh
ol
at
-v
ile
ol
Ha
a
t
rd
ile c .
br
So
ow coa
l
ft
br n c o
ow
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n
co
al
Test facilities in Freiberg
Gasifier reactor with cooling screen,
3-5 MW, max. 30 bar
Different fuel feeding systems (300 kg/h)
Pulverized fuel dosing & feeding system
Slurry feeding
Nm3/h,
Inert gas plant, 1000
80 bar
Oxygen supply unit, 300 Nm3/h, 80 bar
Full gas treatment
Desulphurization unit (Sulferox)
COS hydrolysis
HCN hydrolysis
Carbon content Cdaf [wt.-%]
95
51
90
52
41
27
21 26
28
24 23 29
22
85
80
25
13
75
12
15
02
70
14 01
04
65
11
60
55
03
0
10
20
30
40
50
60
70
Volatile matter content Vdaf [wt.-%]
Waste water treatment
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June 2008
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
Testing facilities in Freiberg (Germany)
Gasification tests with solid or liquid fuels
Determine plant specific data and
gasification process characteristics
High pressure test rig for solid fuel feeding
Test alternative coal flow measurement
technologies
Investigate fluidization behavior under
elevated pressure conditions
Test alternative dry feeding systems
High temperature viscometer
Measure of slag melting behaviour
Equipment for instrumental fuel analysis
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June 2008
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Siemens Fuel Gasification Technology
Performance of SFG with different feedstocks
Anthracite
More than 100 gasification tests
performed with more than 60
different feedstocks
Coals from Australia, Germany,
Canada, South Africa, China,…
Used to determine gasification
behavior for fuels with difficult
ash properties
Bituminous coals
Sub-bit. coals
Lignite
Petcoke
Tar oils
Biomass
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June 2008
Test results confirm that SFG
offers widest fuel flexibility
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
To Test or Not to Test
Customer Inquiry
Coal known
no
Ultimate / Proximate Analysis
Determination of Ash Fusion Temperature
Coal and Ash
properties known
no
Slag Viscosity and
Deeper Coal Analysis
(e.g. Petrological)
yes
yes
Determination of Moisture Level
and Particel Size Distribution
Fluidisation
Tests
Gasification Tests for high
Ash Containing Coals or critical
Fusion Temperature
Basic Engineering Package and
Project Execution
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June 2008
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Siemens Fuel Gasification Technology
Liquid Residues:
Gasification Project in the Czech Republic
Autothermal Oil Conversion Plant
Client
Sokolovská uhelná, a.s.
Location, country
Vřesová, Czech Republic
Commissioning
2008
Technical data
Type of reactor
Entrained-flow, cooling wall
Capacity thermal
175 MWth
Pressure, temperature
28 bar, 1400 °C
Type of quench system
Full quench
Equipment / subsystems
Feeding system
Liquid feeding
Gas cleaning
Spray scrubber
Soot water treatment
Depressurization and vapor
condensation, sedimentation,
chamber filter press
Feedstock
Generator tar and other liquid byproducts of 26 fixed bed gasifiers
Products / By-products
Syngas to IGCC / slag, soot cake
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June 2008
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Siemens Fuel Gasification Technology
Siemens Fuel Gasification Technology
Worldwide Activities
Sherritt / EPCOR
Lignite to Hydrogen
& 380 MWe IGCC
Sustec, Schwarze Pumpe
200 MWth, 1984
Secure Energy
Coal to SNG,
1000 MWth
Summit Power
600 MWe IGCC
Orlando
Sales Office
HQ Freiberg
Sales Office
Test Facility
Vresova
175 MWth, 2008
NCPP, Coal to
Polypropylene
2500 MWth
JV GSP China
JinCheng
Coal to Ammonia
1000 MWth
Siemens China
Sales Office
AEC
Coal to Ammonia
Operating Units
Sales Offices
Current Projects
Technology Selected
As of 2008-04
Nine SFG-500 Gasifiers Being Manufactured,
Technology Selected and in Pre-Selection in Further Projects
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June 2008
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Siemens Fuel Gasification Technology
NCPP: Largest Coal to Chemical Plant in China
5 x 500 MWth Coal to Polypropylen plant, based in Ningxia
Schedule:
• Contract signed Q1/2007
• Gasifier shipment 2008
• Start Commissioning 2009
Project Structure:
• Integrated Project Management Team
consisting of SNCG and AMEC
Siemens Scope:
• Engineering and Gasification Testing
• Equipment Supply
• Gasifiers, Burners, Feeder Vessels, ...
• Training
• Technical Field Assistance
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June 2008
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Siemens Fuel Gasification Technology
Manufacturing of the first two gasifiers is finished
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June 2008
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Siemens Fuel Gasification Technology
Fertilizer plant near Jincheng, China
2 x SFG-500 gasifiers
for ammonia & urea production
Customer: Shanxi Lanhua Coal Chemical Co.,
Products: 300,000 t/year ammonia
520,000 t/year urea
Coal：
： Anthracite
(FT ~ 1400℃, ash content ~20 %)
Siemens Scope:
• Feedstock gasification tests
• Basic engineering
• Gasification technology license
• Equipment supply
• Technical Field Assistance
Commercial operation: Mid of 2010
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June 2008
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Siemens Fuel Gasification Technology
Secure Energy
Decatur Gasification Project
Project Summary
• 20 Billion SCF/year of Synthetic
Natural Gas
Project Site
• Feedstock: IL Bituminous Coal
• Expected Startup: 2010
Project Features
• Sulfur sold as by-product
• CO2-capture ready
• Integrated in existing project site:
• Buildings
• Water treatment
Secure Energy Project Site in Decatur, IL
• Coal handling
• Infrastructure
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June 2008
2 Gasifiers under Manufacturing
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology
Disclaimer
This document contains forward-looking statements and information – that is, statements related to future, not past,
events. These statements may be identified either orally or in writing by words as “expects”, “anticipates”, “intends”,
“plans”, “believes”, “seeks”, “estimates”, “will” or words of similar meaning. Such statements are based on our current
expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of
factors, many of which are beyond Siemens’ control, affect its operations, performance, business strategy and results
and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from
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conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies
by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide,
changes in business strategy and various other factors. More detailed information about certain of these factors is
contained in Siemens’ filings with the SEC, which are available on the Siemens website, www.siemens.com and on
the SEC’s website, www.sec.gov. Should one or more of these risks or uncertainties materialize, or should underlying
assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking
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assume any obligation to update or revise these forward-looking statements in light of developments which differ from
those anticipated.
Trademarks mentioned in this document are the property of Siemens AG, it's affiliates or their respective owners.
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June 2008
Copyright © Siemens AG 2008. All rights reserved.
Siemens Fuel Gasification Technology