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FILIPPO ROSSATI
Managing Director
Моb.: +33 6 07 61 23 56
SC GAZ INTEGRAL SRL
Bucuresti, Sectorul 1, Romania
Моb.: +40 755 07 00 55
Le GAZ INTEGRAL
PACKAGE UNITS IN
WELL GAS TREATMENT
2013
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ENGINEERING AND
CONTRACTOR
GAS TREATMENT AND
CONDITIONING
PROCESSES FOR
SOUR GASES
Gas production
Gas treatment
Flue gas treatment
Separation
Compression
Dehydration
Sweetening (H2S, CO2)
LPG recovery
HC dew point control
Contaminants removal
(Tar, NH3, HCl, Hg…)
Amine sweetening
Sour water stripper : LP and double
stripper
SRU (Sulphur Recovery Units):
modified Claus processes
SRU Tail Gas treatments
Sulphur degasing
Sulphur solidification
Sulferox® : “authorised licensor”
from Shell – OIP
Shell Paques®
ATS Production (Ammonium
Thiosulfate)
AS Production (Ammonium Sulfate)
Company Presentation
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TURNKEY PLANTS
Process development
Basic engineering / FEED / FEL
Detail engineering
Procurement, inspection
Construction / construction supervision
Commissioning / start up services
Surveys and audits
Plant operation and maintenance
CONTRACTING SERVICES
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REGENERATION SULPHUR
RECOVERY INCINERATION
TAIL GAS
TREATING
SULPHUR
HANDLING
REGENERATION
PROPANE
DRYING
SALES GAS
COMPRESSION
NGL RECOVERY
DEW POINT
CONTROL
NGL
FRACTIONATION
SULPHUR
STACK
SALES
GAS
NGL TREATING
COS/AMINE/RSH
ACID GAS
REMOVAL DEHYDRATION
C3
C4
CRUDE
SALES
CRUDE
RAW GAS
PRIMARY
SEPARATION
METERING
TYPICAL NATURAL GAS TREATMENT FACILITY
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Application in Romania
•Very pure gas – practically only CH4
•Very little H2S: 30 – 100 ppm V
•Wet
•No need of amine units and others for HC separation
Simplified Typical Scheme
REGENERATION
SALES GAS
COMPRESSION
SALES
GAS ACID GAS (1)
REMOVAL DEHYDRATION
CRUDE
RAW GAS
PRIMARY
SEPARATION
METERING
(1): optional
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DEHYDRATION PROCESSES AND RANGE
16000
8000
1600
800
160
80
16 mg/m3
-170 -142 -115 -87
Dry Gas Water Dewpoint, deg C
-60 -32 -4 +23
Wet
Gas
Co
nte
nt,
mg
/Nm
3
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TYPICAL REMOVAL EFFICIENCY_TEG
Conventional
Conventional
Enhanced
With stripping
Special Design
Eq. Dewpoint
Contact Temperature iC
STRIPPING ZONE
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BASIC DEHYDRATION PROCESS WITH
TEG (TRIETHYLENE GLYCOL)
GLYCOL COOLER
GLYCOL
CONTACTOR
DRY GAS
FUEL GAS
SURGE DRUM
FLASH DRUM
FEED GAS
STILL COLUMN
TO FLARE / VENT
THERMAL REGENERATOR
Absorbed water is vaporized by heating
at # atmospheric pressure Water vapor is absorbed by regenerated
glycol in the gas/glycol contactor
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HIGH PERFORMANCE GLYCOL DEHYDRATION UNIT
10
TEG UNIT: SKID MOUNTED REGENERATION SECTION
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H2S Removal
PFD
Wet Gas Case
2x50%
H2S REMOVAL UNIT: Solid Bed Absorption
INLET GAS
AIR
SEPARATOR
CONDENSATE
TREATED GAS
TC
HEATABSORBERS
FT
LC
HEATER
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Process Main Features
•Simple process
•Selective H2S Removal produces elemental sulphur in bed
•Chemical reaction: H2S + O2 S + H2O
•Several configurations possible as Lead/Lag, multiple absorbers, etc. depending on
optimized requirements, Absorbent Life.
•High specific loading of absorbent possible (>60% W/W)
•Non pyrophoric O2 addition in the range of some ppm (10-30 ppm depending on H2S
concentration)
•References available
•Skid configuration available depending on size and transport limitations
•Optimized local construction
•Absorbent servicing available
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TYPICAL WET GAS CASE 2 X 50%
• Capacity: 150 000 Nm3/h
• Pressure: 90 bar – operating, 110 bar – design
• H2S: in: 35 mg/Nm3
out: 5 mg/Nm3
H2S Removal
PFD
Wet Gas Case
2x50%
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H2S Removal
PFD
Wet Gas Case
2x50%
TYPICAL WET GAS CASE 2 X 50%
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CONCLUSION
Romania has excellent gas
- No heavier hydrocarbons
- No condensates
- No sulphur
Costs of treatment : marginal compared to other sources
