30
HRS HRS
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HRSHRS
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
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Available Plant EnergyAvailable Plant Energy
70% of Total Net Heat (HP Steam)
HOTI.P.
EXCHANGER
COLDI.P.
EXCHANGER
PRODUCTACID
SULF UR
T OST ACK
AIR
CONVERT ER
4
3
2
1
T HIS DRAWING IS THE PROPERT Y OF
M ECS, INC.
INF ORM AT ION AND KNOW HOW HEREON ARE CONF IDENT IALAND M AY NOT BE USED, REPRODUCED, OR REVEALED T OOT HERS EXCEPT IN ACCORD WIT H CONTRACT OR OT HER
WRIT TEN PERM ISSION OF M ECS INC. ANY REPRODUCT IONS INWHOLE OR IN PART INCLUDING SHOP DRAWINGS SHALL BEAR
OR REFER T O T HIS STAM P.
M ECS, INC.ST . LOUIS, M ISSOURI
CONVENT IONAL SULFUR BURNINGPROCESS FLOW DIAGRAM
0XXXX
REVM EN
CHECKED
DRAWN USER
BY
07/06
DAT E APP'DDATE
CLIENT LOCAT ION
INLET AIR F ILT ER
DRYING T OWERM ESH PAD
DRYINGT OWER
M AINCOM PRESSOR
SULF UR BURNER
WAST EHEAT
BOILER 1
F INALT OWER
COM BINAT ION PUM P T ANK
BF WPREHEAT ER
COM M ON ACIDCOOLER
PRODUCT ACIDCOOLER
DEAERATOR
DEM INH2O
ST EAMVENT
COM M ON STEAM DRUM
HPST EAM
EXPORT
HPBLOW-DOWN
LPST EAMIM PORT
F ROMBLOW-DOWNT ANK
CWS CWR
CWS CWR
HP BF WPUM PS
F INAL T OWERM IST
ELIM INATORS
INT ERPASST OWER M ISTELIM INAT ORS
ECONOM IZ ER 3B
SUPERHEAT ER 1BSUPERHEAT ER 4A
/ ECONOM IZ ER4C/4A
INT ERPASST OWER
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Available Plant EnergyAvailable Plant Energy
<5% of Available Energy, lost to Cooling Water
HOTI.P.
EXCHANGER
COLDI.P.
EXCHANGER
PRODUCTACID
SULF UR
T OST ACK
AIR
CONVERT ER
4
3
2
1
THIS DRAWING IS T HE PROPERT Y OF
M ECS, INC.
INF ORM ATION AND KNOW HOW HEREON ARE CONFIDENT IALAND M AY NOT BE USED, REPRODUCED, OR REVEALED T OOTHERS EXCEPT IN ACCORD WIT H CONT RACT OR OT HER
WRITT EN PERM ISSION OF M ECS INC. ANY REPRODUCT IONS INWHOLE OR IN PART INCLUDING SHOP DRAWINGS SHALL BEAR
OR REF ER T O T HIS ST AM P.
M ECS, INC.ST . LOUIS, M ISSOURI
CONVENTIONAL SULFUR BURNINGPROCESS FLOW DIAGRAM
0XXXX
REVM EN
CHECKED
DRAWN USER
BY
07/06
DATE APP'DDATE
CLIENT LOCAT ION
INLET AIR F ILTER
DRYING T OWERM ESH PAD
DRYINGT OWER
M AINCOM PRESSOR
SULFUR BURNER
WAST EHEAT
BOILER 1
F INALT OWER
COM BINAT ION PUM P T ANK
BFWPREHEATER
COM M ON ACIDCOOLER
PRODUCT ACIDCOOLER
DEAERAT OR
DEM INH2O
ST EAMVENT
COM M ON STEAM DRUM
HPST EAM
EXPORT
HPBLOW-DOWN
LPST EAMIM PORT
F ROMBLOW-DOWNT ANK
CWS CWR
CWS CWR
HP BF WPUM PS
F INAL TOWERM IST
ELIM INAT ORS
INT ERPASSTOWER M ISTELIM INAT ORS
ECONOM IZ ER 3B
SUPERHEAT ER 1BSUPERHEAT ER 4A
/ ECONOM IZ ER4C/4A
INT ERPASSTOWER
Confidential
Available Plant EnergyAvailable Plant Energy
<20% of Available Energy, lost to Cooling Water
HOTI.P.
EXCHANGER
COLDI.P.
EXCHANGER
PRODUCTACID
SULFUR
TOSTACK
AIR
CONVERT ER
4
3
2
1
THIS DRAWING IS THE PROPERTY OF
M ECS, INC.
INF ORM AT ION AND KNOW HOW HEREON ARE CONF IDENTIALAND M AY NOT BE USED, REPRODUCED, OR REVEALED TOOTHERS EXCEPT IN ACCORD WITH CONTRACT OR OT HER
WRITTEN PERM ISSION OF M ECS INC. ANY REPRODUCT IONS INWHOLE OR IN PART INCLUDING SHOP DRAWINGS SHALL BEAR
OR REF ER TO THIS STAM P.
M ECS, INC.ST . LOUIS, M ISSOURI
CONVENTIONAL SULFUR BURNINGPROCESS FLOW DIAGRAM
0XXXX
REVM EN
CHECKED
DRAWN USER
BY
07/06
DATE APP'DDATE
CLIENT LOCATION
INLET AIR F ILTER
DRYING TOWERM ESH PAD
DRYINGTOWER
M AINCOM PRESSOR
SULFUR BURNER
WASTEHEAT
BOILER 1
F INALTOWER
COM BINATION PUM P TANK
BF WPREHEATER
COM M ON ACIDCOOLER
PRODUCT ACIDCOOLER
DEAERATOR
DEM INH2O
STEAMVENT
COM M ON STEAM DRUM
HPST EAM
EXPORT
HPBLOW-DOWN
LPSTEAMIM PORT
F ROMBLOW-DOWNT ANK
CWS CWR
CWS CWR
HP BFWPUM PS
F INAL TOWERM IST
ELIM INATORS
INT ERPASSTOWER M ISTELIM INATORS
ECONOM IZ ER 3B
SUPERHEATER 1BSUPERHEAT ER 4A
/ ECONOM IZER4C/4A
INTERPASSTOWER
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Energy Recovery OptionsEnergy Recovery Options
Key is incremental energy recoverySite-wide analysis (capacities, efficiencies, etc.) Absorbing Heat Recovery
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OpportunityOpportunityKey is incremental energy recoverySite-wide analysis (capacities, efficiencies, etc.) Absorbing Heat Recovery
HRS
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
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HRS BenefitHRS Benefit
94%70%Heat Recovered
0.40-0.480 HRS Steam ton/ton
1.2-1.31.2-1.3HP Steam ton/ton
HRSConventional
-18 tph of steam per 1000 MTPD
-3 MW of power per 1000 MTPD
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How?How?
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
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Two Stage HRSTwo Stage HRS
STEAMINJECTION
VESSEL
HEATRECOVERY
TOWER
LPSTEAMIMPORT
HRS BOILER
HRSHEATER
HRSPREHEATER
HRSDILUTER
HEATRECOVERY
TOWER MISTELIMINATORS
GAS OUT
GAS IN
STAGE 2ACID IN
TO ACIDSYSTEM
TREATEDWATER
DEAERATORAND BFW PUMP
IP STEAM
BLOWDOWN
TO ACIDSYSTEM
HRSDRAIN PUMPS
FROM ACIDSYSTEM
Replaces tower and pump tank
Replaces acid cooler(s)
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HRS FundamentalsHRS FundamentalsRaise acid temperature above boiling point of 3-10 barg steamControl acid concentration between 98.5-99.6%Install equipment with High Grade Stainless Steel
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Operating WindowOperating Window
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Raise Acid TemperatureRaise Acid Temperature
STEAMINJECTION
VESSEL
HEATRECOVERY
TOWER
LPSTEAMIMPORT
HRS BOILER
HRSHEATER
HRSPREHEATER
HRSDILUTER
HEATRECOVERY
TOWER MISTELIMINATORS
GAS OUT
GAS IN
STAGE 2ACID IN
TO ACIDSYSTEM
TREATEDWATER
DEAERATORAND BFW PUMP
IP STEAM
BLOWDOWN
TO ACIDSYSTEM
HRSDRAIN PUMPS
FROM ACIDSYSTEM
200 °C200 °C
Up to 10 barg steamUp to 10 barg steam
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Control Acid ConcentrationControl Acid Concentration
STEAMINJECTION
VESSEL
HEATRECOVERY
TOWER
LPSTEAMIMPORT
HRS BOILER
HRSHEATER
HRSPREHEATER
HRSDILUTER
HEATRECOVERY
TOWER MISTELIMINATORS
GAS OUT
GAS IN
STAGE 2ACID IN
TO ACIDSYSTEM
TREATEDWATER
DEAERATORAND BFW PUMP
IP STEAM
BLOWDOWN
TO ACIDSYSTEM
HRSDRAIN PUMPS
FROM ACIDSYSTEM
98.6% H98.6% H22SOSO44
99.6% H99.6% H22SOSO44
99.6% H99.6% H22SOSO44
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Install Safe MaterialsInstall Safe MaterialsTeflon-linedStainless steel
ZeCor-310M
STEAMINJECTION
VESSEL
HEATRECOVERY
TOWER
LPSTEAMIMPORT
HRS BOILER
HRSHEATER
HRSPREHEATER
HRSDILUTER
HEATRECOVERY
TOWER MISTELIMINATORS
GAS OUT
GAS IN
STAGE 2ACID IN
TO ACIDSYSTEM
TREATEDWATER
DEAERATORAND BFW PUMP
IP STEAM
BLOWDOWN
TO ACIDSYSTEM
HRSDRAIN PUMPS
FROM ACIDSYSTEM
Confidential
Single Stage HRSSingle Stage HRS
STEAMINJECTION
VESSEL
LPSTEAMIMPORT
HRS BOILER
HRSHEATER
HRSDILUTER
GAS OUT
GAS IN
TO ACIDSYSTEM
TREATEDWATER
DEAERATORAND BFW PUMP
IP STEAM
BLOWDOWN
TO ACIDSYSTEM
HRSDRAIN PUMPS
HEATRECOVERY
TOWER
INTERPASSTOWER
FROM ACIDSYSTEM
INTERPASSTOWER MISTELIMINATORS
FROMACID
SYSTEM
TO ACIDSYSTEM
New mist eliminatorsNew mist eliminators
New ductNew duct
No PreheaterNo Preheater
One packing stageOne packing stage
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Single Stage DifferencesSingle Stage Differences
No preheater (usually cost benefit)Single packing stage (cost benefit)Similar steam production (approximately the same but more sensitive to water balance)
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
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Execution StrategyExecution Strategy
Project GoalDesign BasisBattery LimitsMECS Provides Technology and Critical EquipmentLocal Engineering PartnerLocal EPC Partner
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Execution StrategyExecution Strategy
Technology
&
Equipment
Owner
MECS Detailed
Engineering
Procurement
+ Installation
Parties Approved by MECS
Package Details
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TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
Confidential
ReferencesReferences
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HRS Reference FactsHRS Reference Facts83% of Sold HRS to customers with more than 1 HRS0 Successful Commercialized AlternativesPlant Rates from 240 MTPD to 4400 MTPDSulfur Burning, Pyrite, and Metallurgical References
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Why is HRS successful?Why is HRS successful?
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HRS SuccessHRS Success
HRS Delivers Guaranteed Steam ProductionHRS Operates with High Reliability (Two Lions, 12 hours of lifetime downtime over 3 years, >99.5%)Long Equipment Life
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Case: Met. Revamp w/HRSCase: Met. Revamp w/HRS
37.50MP Steam, MT/h
23.310.8HP Steam, MT/h
27201700Plant Rate, MTPD
After expansion and HRS conversion
Before
~3 year payback at $15/tonne
Confidential
TopicsTopicsEnergy and Sulfuric AcidHRS BenefitTechnical DescriptionProject Execution StrategyExperience and Case Study
