Post on 20-Mar-2018
Gasification Technologies 2004
The new gasification project atThe new gasification project at
Eni Sannazzaro Refinery and its integration with aEni Sannazzaro Refinery and its integration with a
1050 MWe power plant1050 MWe power plant
G.CollodiG.Collodi, , D.CamozziD.Camozzi –– SnamprogettiSnamprogetti
A.CavannaA.Cavanna –– Eni Refining & MarketingEni Refining & Marketing
Thanks to: A.R.Carta-EniR&M – J.Wolff-Shell
The Parent Company
Snam Rete Gas S.p.A. EniPower S.p.A.Italgas S.p.A. Snamprogetti S.p.A.(*) Saipem S.p.A. (*)
Exploration & Production Gas & Power Refining & Marketing
Companies operating in Engineering and Oilfield Services respectively
(*)Divisions Subsidiaries
Eni R&M Refineries in Italy
Sannazzaro
500,000 bpd capacity(1/4 of national cap.)
ENI R&MEniPower250 MWe
38000 Nm3/h H2VVR(TAR)
Snamprogetti/Ansaldo
Gela
Milazzo*
Taranto
Venezia
Livorno
Priolo*
Schematic Complex Block Diagram
Ansaldo-SiemensV94-3A.2(400 MW)
Ansaldo-SiemensV94-3A.2(400 MW)
Ansaldo-SiemensV94-2K
(250 MW)
EniPower
EniRefining & Marketing
Eni Gas & Power
Gasification plant50 t/h Tar
H2
Syngas
Natural gas (12.5 km new pipeline)
Sannazzaro Refinery Plot Plan
MAIN ENTRANCE
D
ENIPOWER
AIR LIQUIDE
GASIFICATIONISLAND
Eni R&M-SannazzaroProcess Block Diagram
SOOT WATERFILTRATION
AND SWS
AIRSEPARATIONUNIT (o.b.l.)
SULPHURRECOVERY(Refinery)
SHELL GASIFICATIONPROCESS
(SGP)GAS COOLING
AND COSHYDROLYSIS
SULPHURREMOVAL
AIR
FEEDSTOCK(VISBREAKER TAR)
HYDROGENSULPHIDE
OXYGEN
SULPHUR
HP STEAM
NITROGEN
BFW HYDROGENRECOVERY
COMBINEDCYCLE
UNIT(EniPower)
HYDROGEN
POWER
SOOT ASHREMOVAL UNIT
(SARU)
SOOTWATER
(SPENT CARBON)
CARBON DIOXIDE EXPORT
WATER DISCHARGE FILTER CAKE
CARBONYLREMOVAL
METAL ASH
FLUE GAS TO REFINERY
SYNGAS
(NAT.GAS)
STEAM EXPORT
Residuefrom BL
Oxygenfrom BL
SuperheatedHP steam
HP BFWfrom BL
Raw syngas totreating section
To flashvessel
HPC
To secondstring, B
Raw syngasfrom
string 2
Superheated HPsteam from
string 2
Feed PumpJ-30-101
syngas cooler
steam superheater
C-30-102
SootQuenchE-30-102
SootSeparatorF-30-104
SootScrubberE-30-101
OxygenHeater
C-30-101
FeedVessel
F-30-001 GasifierD-30-101 Scrubber Slurry
PumpJ-30-103A/B
Scrubbercooler
C-30-153
QuenchNozzle FilterF-30-103A/B
Quench watercooler
C-30-152fromfilter
FeedpreheaterC-30-001
fromfilter
Economiser
F-30-101trim
coolerC-30-151
C-30-103/4
Shell Gasification Process
Gasification Area
Slurry Filtration Area
Eni R&M-SannazzaroProcess Block Diagram
SOOT WATERFILTRATION
AND SWS
AIRSEPARATIONUNIT (o.b.l.)
SULPHURRECOVERY(Refinery)
SHELL GASIFICATIONPROCESS
(SGP)GAS COOLING
AND COSHYDROLYSIS
SULPHURREMOVAL
AIR
FEEDSTOCK(VISBREAKER TAR)
HYDROGENSULPHIDE
OXYGEN
SULPHUR
HP STEAM
NITROGEN
BFW HYDROGENRECOVERY
COMBINEDCYCLE
UNIT(EniPower)
HYDROGEN
POWER
SOOT ASHREMOVAL UNIT
(SARU)
SOOTWATER
(SPENT CARBON)
CARBON DIOXIDE EXPORT
WATER DISCHARGE FILTER CAKE
CARBONYLREMOVAL
METAL ASH
FLUE GAS TO REFINERY
SYNGAS
(NAT.GAS)
STEAM EXPORT
Sulphur Removal (MDEA) Area
Carbonyls Removal Area
Overall Performances
TarData on dry basis
Design Feed
Carbon %wt 85.73
Hydrogen %wt 9.05
Sulphur %wt 3.54
HHV (* = calculated) MJ/kg 41.28
LHV (* = calculated) MJ/kg 39.30
~400 GCal/h@ 3700 kcal/kg
Syngas
~280 GCal/h@ 2800 kcal/kg+ 38000 Nm3/h H2Feed = 2 x 25 t/h
Refinery
CCUPPUSYNGAS
HPS
TAR
CW
AC
ID G
ASES
BD
MPS
DW BD
PPU CCU
Integration
HYD
RO
GEN
TAIL G
AS
FUELG
AS
(FIRE WATER, IW, WATER TREAT., IA, SIGNAL EXCH., etc.)
Status of the Project
• July’03-July’04: All EniPower groups tested with natural gas
• All EniPower groups are running at full load with natural gas
• August’04: Construction progress of gasification = 35%
• 2nd half ’05: Syngas production (expected)
Thank you