presentation of waste incineration technologies from ... · pdf filelentjes gmbh ø...
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We are all making efforts to dealresponsibly with our resources andwith nature. Much has already beenachieved in this respect.
Presentationof
Waste incineration technologiesfrom
Lentjes GmbH
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1. Company and Plant References2. Technologies3. Summary
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1. Company and Plant References
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Lentjes?
A few words about the company …
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Lentjes GmbH
Ø Lentjes is a process lead international EPC turnkeycontractor with a worldwide network in industrially activemarkets
Ø Lentjes is a pure engineering company with in-houseproprietary technologies and processes for EfW plants (gratesystems, steam generators, FGC systems)
Ø Over 80 contracts in the waste to energy sector since 1990Ø Wide international experienceØ Involvement in early stage regarding planning questionsØ Local presence in key markets ensures deliverability
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Ø Engineering (for all combustion systems, boilers, FGCprocesses, civils, water-steam-cycle, electrical, I&C, etc.)
Ø Procurement / International SourcingØ ConstructionØ Project ManagementØ Quality Assurance / Health & SafetyØ Construction ManagementØ Training, Commissioning, Performance Testing
Turnkey EPC Expertise in
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GEA Group AktiengesellschaftTurnover €4.5 billion Employees 17,500
ProcessEquipment
MechanicalSeparation
Dairy FarmSystems
ProcessEquipment
ProcessEngineering
ProcessEquipment
EnergyTechnology
CustomisedSystems
Refrigeration
Air Treatment
PlantEngineering
Lentjes GmbHTurnover ~ €350 m
350 employees
Lurgi AG
Zimmer AG
Lurgi Bischoff GmbH
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Latest News ….
Ø GEA has decided to concentrate on the component business,thus the Plant Engineering Division has been sold
Ø Lentjes has recently found new owner in ATEC Industries
Ø ATEC Industries will continue and strengthen all formerLentjes’ activities in the future
Ø Lentjes will remain a strong and reliable partner in the‘Energy from Waste’ business
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Headquarters Ratingen / Germany
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Lentjes Portfolio
Energy Division
Ø Fossil Fired Power Plants
Ø Combined Cycle Power Plants
Ø Flue Gas Desulphurisation
Environment Division
Ø Hazardous Waste Incineration
Ø Biomass to Energy
Ø Sewage Sludge Incineration
Ø Energy from Waste
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Lentjes Product Portfolio
Fossil FiredPower Plants
Circulating FluidisedBed
Combined CyclePower Plants
Co-Generation andIndustrial Power
Plants
Flue Gas CleaningPower Plants
DesulphurisationWet - FGD
Seawater - FGDCFB - FGD
Ammonia - FGD
DenitrificationSCR - Technology
Treatment Plantsfor Industrial
Waste/ResiduesSewage Sludge
Rotary Kiln
Fluidised Bed
Flue Gas Cleaning
Biomass to EnergyPlants
Circulating FluidisedBed
Grate Systems
Flue Gas Cleaning
Energy fromWaste Plants
Grate Systems
Circulating FluidisedBed
ROWITEC®
Flue Gas Cleaning
Energy Division Environment Division
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Technologies of Energy and Environment Divisions
Energy
CCPP
CFB
Flue Gas Desulphurisation
Environment
Energy-from-Waste and Biomass Plants
Sewage Sludge Incineration
Hazardous Waste Incineration
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GAVI Wijster / NL, Water cooled grate3 x 20 t/h
Taoyuan / ROC, Roller Grate2 x 28 t/h
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Madrid / E, ROWITEC3 x 9 t/h
Sleco / B, ROWITEC3 x 20,8 t/h
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Lenzing / D, CFB110 MWth
Premnitz / D, CFB60 MWth
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Ebenhausen / D2 x 50.000 t/a
Bayer AG Dormagen / D45.000 t/a
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Dordrecht / NL3 x 12 t/h, 1 x 24 t/h
Crossness / UK2 x 3,5 t/d, 5,2 MWel
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SITA Kirklees, Huddersfield / UK1 x 17 t/h
Shell Green, Manchester / UK1 x 5,7 t/d ExtensionTarget Price Contract Award 2005
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WRG Allington, Kent / UK3 x 21,4 t/h
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Colleferro / I
Wuppertal / D
Budapest / H
Madeira / P
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Recent Plant References Energy-from-WasteStart-up Plant Grate System Throughput LHV (kJ/kg) Waste FGC System
2001 Taoyuan South / ROC Roller Grate 2 x 675 t/d 9,600 MSW Semi-dry2002 Kirklees / UK Recipr. Grate 1 x 410 t/d 9,200 MSW Semi-dry2002 Madeira / P Roller Grate 2 x 192 t/d 7,800 MSW Semi-dry2002 Terni / I Reci. Grate w/c 1 x 300 t/d 15,000 SRF Semi-dry2002 San Vittore / I Reci. Grate w/c 1 x 300 t/d 15,000 SRF Semi-dry2002 Colleferro I+II / I Reci. Grate w/c 2 x 300 t/d 15,000 SRF Semi-dry2002 Premnitz / D CFB 1 x 60 MWth 14,000 SRF Circoclean2003 Powergen / UK FB 1 x 530 t/d 5,200 Paper Sludge Fabric Filter2003 Strongoli / I CFB 2 x 20 MWel 11,100 Biomass Dry (BiCar)2004 Budapest / H Roller Grate 4 x 360 t/d 8,500 MSW Semi-dry2005 Cantabria / E Roller Grate 1 x 288 t/d 11,720 MSW Circoclean
2006 Sleco / B ROWITEC 3 x 495 t/d 8,300 50 % SRF50 % Sludge
Circoclean +Scrubber
2006 Allington / UK ROWITEC 3 x 513 t/d 9,200 MSW Circoclean2006 Frankfurt / D Recipr. Grate 4 x 480 t/d 10,300 MSW Circoclean2008 Casteltermini / I Reci. Grate w/c 2 x 413 t/d 12,560 SRF Dry (BiCar)2008 Augusta / I Reci. Grate w/c 3 x 413 t/d 12,560 SRF Dry (BiCar)2008 Palermo / I Reci. Grate w/c 3 x 552 t/d 11,550 SRF Dry (BiCar)2008 Manchester / UK FB 1 x 140 t/d 12,600 (DS) Sludge Wet multi-stage
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Plant References Energy-from-Waste
74 Lines in 43 Plants
equivalent to
1.107 tph or ~8,85 mio tpy
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2. Technologies
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Lentjes’ Technologies Related to Waste Sector
• Conditioned Dry – CIRCOCLEAN®
• Semi Dry• Wet Scrubbers• SCR and SNCR
Gas Cleaning:
• Horizontal / vertical multi pass systems• Standard WTE parameters preferred
Heat RecoveryBoilers:
• Reciprocating Grate (air/water-cooled)• Roller Grate• Circulating Fluid Bed• ROWITEC® Fluid Bed• Fluidized Bed
Furnace Types:
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Roller GrateReciprocating Grate
Counter Reciprocating Grate
Application:
Incinerationof MSW
Application:
Incinerationof MSW / SRF
Grate Systems
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Fluidised Bed Systems
ROWITEC® CFB
Application: Application:Incineration of MSW / SRF + Sludge Incineration of SRF
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Typical Application Ranges of Technologies
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Roller Grate
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Roller Grate Section I
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Roller Grate Section II
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Roller Grate Side Wall
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Grate Bar
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Roller Grate Drives
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Roller Grate Capability for High CV‘s
EfW Plant Wuppertal / DVariation of Heating Values
- Roller Grate -
8.000
9.000
10.000
11.000
12.000
13.000
14.000
15.000
16.000
1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 1819 20 21 2223 24 25 26 27 28 29 3031 32 33 3435 36 37 3839 40 41 4243 44 45 4647 48 49 5051 52
Week
LHV
MJ/
kg
2002 2006 Average 2002 (11,8 MJ/kg) Average 2006 (10,6 MJ/kg)
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Combined Grate
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Function of Grate Type 410 (Reciprocating)
Start Position Middle Position Final Position
moving rows fixed rows
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Start Position Middle Position Final Position
Function of Grate Type 510 (Counter Reciprocating)
fixed rowscounter moving rows
counter moving rows
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Center Flow Combustion Chamber
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Roller Grate / Reciprocating Grate
Ø Both meet all guarantees (burnout incl. siftings)Ø Both have very good referencesØ Both present modern state-of-the-art designØ Roller Grate has lower energy useØ Roller Grate has less maintenance requirementsØ Significant grate bar weight differenceØ Roller Grate has a higher CV limit in standard formØ Geometry configuration is different (70 % difference
in width has advantages for boiler design)Ø Roller Grate has lower exchange ratesØ Roller Grate applicable for both small and large units
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ROWITEC® Fluidized Bed FiringProcess Principle
1. Waste Feeder2. Revolving Fluidised Bed3. Fluidising Air4. Flue Gas5. Deflector Plate6. Non-combustibles
Discharge Chute7. Inclined Nozzle Plate
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ROWITEC® Fluidized Bed
Primary airsupply
Non combustiblesdischarge screw
conveyor
Waste Feeder
Secondary airinlet nozzles
2. Screen
Freeboardburner
Flue gasesto boiler
Sandvalve
Bed preheatburner
Bucketelevator1. Screen Magnetic
separator
BedMaterial(sand)
storagesilo
Non combustiblesdischarge conveyor
1 Flue gases to boiler2 Freeboard burner3 Secondary air inlet nozzles4 2. Screen5 Sand valve6 Waste Feeder7 Bed Material (sand storage silo)8 Bed preheat burner9 Primary air supply
10 Non combustibles dischargescrew conveyor
11 1. Screen12 Magnetic separator13 Bucklet elevator14 Non combustibles discharge
conveyor
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ROWITEC® Fluidized BedMadrid Integrated Waste Processing Facility
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ROWITEC® Fluidized BedMadrid Integrated Waste Processing Facility
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ROWITEC® Fluidized BedBed Nozzles and Deflector Plates
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ROWITEC® Fluidized BedBootom Ash after Ferrous Metals Separation
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ROWITEC® Fluidized BedFerrous Metals separated from Bottom Ash
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ROWITEC® Fluidized BedResidues in Botton Ash
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ROWITEC® Fluidized Bed Firing
Ø Improved heat transfer through the use of a sand bed.Ø Rapid, complete combustion in the fluidized bed with
a short retention time.Ø High flexibility with regard to variations in the
composition of the refuse.Ø Ease of control due to staged, targeted combustion air
feeding.Ø Reducing atmosphere in the bed zone, therefore
substantially lower NOx levels in the combustor.Ø Complete combustion: the residual carbon content of
the bed ash and fly ash is usually less than 0,1 wt. %.Ø No moving parts in the hot combustor area.
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Combustion System / Steam Generator I
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Combustion System / Steam Generator II
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Combustion System / Steam Generator III
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Combustion System / Steam Generator IV
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Horizontal / Vertical Boilers
Ø Both meet all guaranteesØ Both have very good referencesØ Both present modern state-of-the-art designØ Horizontal boiler has less steam consumptionØ Vertical boiler results in lower invest costØ Vertical boiler requires higher buildingsØ Horizontal boiler requires more spaceØ General tendency:
Horizontal boilers for small unitsVertical boilers for large units
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Flue Gas Treatment Processes
Process TypesFlue Gas Treatment downstream
Waste Incineration Plants
Dry Processes
• NEUTREC• Ca(OH)2 based
processes
Wet Scrubbing
• Spray scrubbers• Packed columes
scrubbers• Multi stage scrubbers• Wet electrostatic
precipitators
Catalytic/Non-CatalyticProcesses
• Activated carbonprocesses
• SCR-DeNOx andDeDiox
• SNCR-denitrification
Process Recovering
• Gypsum recovery• HCl-recovery• Recovery of
NaCl/CaCl2
Semi-Dry Processes
• CIRCOCLEAN• Spray absorbtion• Dry conditioned
processes
Combined Processes
• Effluent free processesby means of evaporationand/or recovery ofvaluables
Adsorption Processes
• Transport reactor• Fixed bed adsorber• CFB
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Comparison of Flue Gas Treatment Systems
- High Investment Costs- Limited Removal Efficiency
- High Residue Disposal Costs
- Possibly Waste Water Treatment required- High Residue Production
- High Maintenance and Operational Costs- High Sorbent Consumption
+ Minimised Residue Disposal Costs
+ Minimised Residue Production+ Effluent Free
+ Minimised (Stoichiometric) SorbentConsumption
+ Low Maintenance and Operational Costs
+ High Removal Efficiency+ Low Investment Costs
Wet ProcessesDry / Dry Conditioned Processes
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Circoclean® Flue Gas Cleaning System
TICp
LCFIC
Water
Activated Carbon
Flue Gas
Residues CFBReactor
Fabric Filter Stack
ID - Fan
Pressurecombustionchamber
Control
A
Lime
Control
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MHKW Frankfurt (Old Plant)
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Old Plant New PlantAnnual Capacity t/a 447.000 525.000
Number of Lines 4 4
Capacity per Line t/h 15 20
LHV @ MCR MJ/kg 9,2 10,3 (8,0 – 14,0)
Steam Parameter °C/bar 500/60 500/60
Boiler Design 3-Pass + Horiz. 1-Pass + Horizontal
Flue Gas Cleaning System Semidry, ESP, Cond. dry CircocleanFabric Filter with PAC
Emission Values 17. BImSchV 17. BImSchV
MHKW FrankfurtComparison of Design Data
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MHKW FrankfurtTypical Operation Data (mg/mn³)
Raw gas Clean gas Ø
HCl 600 – 750 7,5SO2 160 – 270 8,4
CO 8,6Cges 0,5NOx 180
Hg 0,002
Dust 0,5
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MHKW FrankfurtImpressions during the Erection I
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MHKW FrankfurtImpressions during the Erection II
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MHKW FrankfurtImpressions during the Erection III
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MHKW Frankfurt(New Plant)
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Taoyuan SouthPlant Location
Taoyuan SouthPlant Location
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Technical Data
Service Area 25 km Radius, Southern Taoyuan County (nearInternational Airport), 950.000 Inhabitants
Municipal / Commercial Waste 420.000 t/aWaste Bunker Volume 12.000m³Waste Pre-treatment System noneIncineration 2 x 28,125 t/hGrate Type Roller GrateHeating Value Waste 5,9 – 13,4 MJ/kg (9,6)Incineration Temperature 1100°CSteam Generation per Boiler 85 t/h, 40 bar, 400°CPower Generation 40 MWe, 4 MWth District HeatFlue Gas Cleaning System 2 x 160.000 m³/h, Spray Dryer (Semi-dry) with
Baghouse, Provisions for SNCREmission Limits Acc. to Taiwan EPALand Required 200 m x 175 m
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Taoyuan SouthFlow Diagram
1. Waste Tipping2. Incinerator with
Steam Generator3. Deslagging4. Spray Absorber5. Bag Filter6. Residue Silos7. Cement Silo8. Solidification9. Turbo Generator Set
and Water / Steam -Cycle
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BOILER HOUSE BUNKER TIPPING HALL
AIR COOLED CONDENSER TURBINE HOUSE
STACK
FLUE GAS CLEANING
RR
Q
P
1 2 3 4
N
M
L
K
J
5 6 7 8 9 10 11 12
H
G
F
E
D
C
B
A
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 1817 19 20 21 22 23 24
R
Q
P
N
M
L
K
J
13 14 15 16 1817 19
H
G
F
E
D
20 21 22 23
C
B
A
24
Taoyuan Southern Region BOO Municipal Solid Waste Incineration Plant
8
7
6
5
4
10
2
1
9
3
12345678910 Air Cooled Condenser
Steam Turbine Generator Set
Bag FilterSemi Dry ScrubberWaste Heat Recovery BoilerIncineratorRefuse CraneRefuse Bunker
I.D. FanStack
Taoyuan SouthSectional View
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Plant Model
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Plant Impressions
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Plant Impressions
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Plant Impressions
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Plant Impressions
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Taoyuan SouthOperation Data
38436,46200303 680 744
Total 2096 39673,39 2159
200302 672 19461,47 672
Year / Month#1 Incinerator #2 Incinerator
200301 744 20211,92 743Operation hour Treatment tonnage Operation hour Treatment tonnage
19615,7418820,72
18450,36210927,76
19419,118639,4111646,4812154,78
12558,5319472,6920261,0620941,95
4565567747999
21143,3718491,61672
643 17748,42
16812,7618965,85215293,76
744
482744720744744720
8030
18720,4921048,2912275,2819431,8119021,6121378,9
20061,2918514,167916,25
720299720744
Total
21147,07744672744456744699744744
200209200210200211200212
200205200206200207200208
200201200202200203200204
#1 Incinerator #2 IncineratorYear / Month
Operation hour Treatment tonnage Operation hour Treatment tonnage
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3. Summary
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Lithuania Projects
Ø Lithuania EfW facilities will require
l Large Contractor with Parent CompanyBacking
l Long Term Commitment to European EfWMarket
l Robust Guarantees
l Bankability
ü
ü
ü
ü
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Lithuania Projects
Ø Lentjes provides …
l Type and range of technologies
l Ability to meet capacity range
l Experience and references in PL
ü
ü
ü
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High level technologies for the incineration of waste are availableand allow economic and efficient disposal concepts.
All technologies fulfil the requirements forü large unitsü high efficiency
A decision for a system must be taken on a project specific basis!
The aim must remain:
Environmentally safe and reliable incineration of waste.
Summary
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Lentjes GmbH Forward Market Philosophy
Ø Build on sustained presence in key WTE markets
Ø Select target projects technically and commercially
Ø Maintain turnkey capability
Ø Longterm WTE experience with multiple references
Ø Continue to offer proven technology
Ø Maintain Lentjes’ reputation for quality process plants
Ø Increase market share in Waste to Energy markets
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Win-Win-Position
Lentjes GmbH
TurnkeyContractor
Strong MarketPresence
In House Chute toStack Technologies
Bankability
Lithuania
Requires waste managementsolutions incorporating
steam/power experts
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… is the worldwide experienced EPC GeneralContractor with proprietary technical solutions forsolid and liquid, hazardous and non-hazardouswaste incineration plants.
Lentjes GmbH
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Thank you for your attention!
Gunnar LischkeSales DirectorLentjes
We have TechnologiesWe have Know-howWe have References