COMPANY PRESENTATION

GAS CONDITIONING & COMBUSTION

COMPANY PROFILE

• Established in 1975

• Headquartered in the Netherlands

• Supplier of integrated gas conditioning and combustion systems

• Renowned quality and reliability

• Installed base of over 1,700 systems worldwide

• European manufacturing to CE standard

• Designed and constructed in accordance with the ATEX directive

• ISO 9001 certified

EXPERIENCE

OVER 1,700 SYSTEMS INSTALLED WORLDWIDE

BENEFITS

• Experienced in house engineering team (process, mechanical and CE&I)

• We design from customers’ point of view with a focus on

safety, easy operation and optimum performance to provide

the best CAPEX and OPEX solution for you

• In house manufacturing facility

• All systems are pre-piped, pre-wired and pre-assembled

to the maximum extend to minimize installation on-site

• All systems are fully shop tested prior to shipment

• Life time support

INTEGRATED CONTROL

H2S REMOVAL DEWATERING DEHUMIDIFICATION PRESSURIZATION DRY COOLING SILOXANE REMOVAL

PARTICLE FILTRATION

HOFSTETTER GAS CONDITIONING SYSTEMS PRODUCT OVERVIEW

HOFSTETTER GAS CONDITIONING SYSTEMS H2S REMOVAL

BIOLOGICAL DESULPHURIZATION:

Main components: Key advantages: - FRP tank(s) - Can be designed for any biogas flow and H2S level - Process Technique Unit - Can reduce H2S to as low as 50, 100 or 250 ppmv

- Make-up water tank - No consumption of chemicals - No chemicals added to the treated digester effluent - Lowest operating costs (OPEX) - High availability - Easy to operate and maintain

1,000 Nm3/h 1,000 > 200 ppmv

Alternatives: - Activated carbon, for lower inlet H2S concentrations - Chemical desulphurization

HOFSTETTER GAS CONDITIONING SYSTEMS DEWATERING

Main components: - Vessel from galvanized steel, stainless steel AISI 304 or AISI 316 - Internal knock-out plate or demister package Options: - Level detection - Condensate trap - Condensate extraction

7,500 Nm3/h Knock-out plate

1,700 Nm3/h Demister package

HOFSTETTER GAS CONDITIONING SYSTEMS DEHUMIDIFICATION

Main components: - Stainless steel shell & tube heat-exchanger - Demister package mounted inside the shell - Air cooled water chiller - Parts in contact with glycol are insulated Options: - Condensate extraction system - Gas/Gas recuperator (pre-cooler / after-heater) - Gas heater

7,500 Nm3/h 55ºC / 100%RH > 10ºC / 100%RH

800 Nm3/h 45ºC / 100%RH > 14ºC / 100%RH

HOFSTETTER GAS CONDITIONING SYSTEMS PRESSURIZATION

Available types: - Side channel blower - (Multi-stage) centrifugal blower - Rotary lobe (Roots) blower - Claw compressor Options: - Internal coating - Vibration monitoring

3 x 2,500 Nm3/h (dP=265 mbar) Multi-stage centrifugal blowers

4 x 1,850 Nm3/h (dP=278 mbar) Rotary lobe blowers

Main components: - Stainless steel shell & Tube heat-exchanger - Dry cooler - Cooling water pump - Cooling water temperature control Key advantage: - Very low energy consumption

HOFSTETTER GAS CONDITIONING SYSTEMS SENSIBLE HEAT COOLING

200 Nm3/h 88ºC > 40ºC

720 Nm3/h 60ºC > 35ºC

HOFSTETTER GAS CONDITIONING SYSTEMS SILOXANE REMOVAL

Main components: - Stainless steel vessel(s) - Activated carbon filling Key advantages: - Project specifically blended activated carbon (AC) with an excellent mesoporous structure resulting in the optimal absorption of L2/D2 – L6/D10 type siloxanes (longest durability of AC) - Lowest investment costs (CAPEX)

2,000 Nm3/h 24 > 1 mg/Nm3

2 x 2,050 Nm3/h 75 > 10 mg/Nm3

HOFSTETTER GAS CONDITIONING SYSTEMS PARTICLE FILTRATION

Main components: - Vessel made of galvanized steel, stainless steel AISI 304 or AISI 316 Available types: - Cartridge filter - Ceramic filter - Gravel filter

Options: - Differential pressure switch - Access / maintenance platform

3 x 1,367 Nm3/h < 1 Micron

500 Nm3/h < 1 Micron

3 x 1,367 Nm3/h < 1 Micron

Available PLC & HMI Brands: - Siemens (Standard) - Allen Bradley - ABB - Mitsubishi Options: - Frequency converter - Bus communication - Data recorder - Suction and/or supply pressure control

HOFSTETTER GAS CONDITIONING SYSTEMS INTEGRATED CONTROL

Siemens HMI

Allen Bradley HMI

2 x 30 kW Frequency converters

HOFSTETTER GAS CONDITIONING SYSTEMS MEASUREMENT AND INSTRUMENTATION

Measurement and instrumentation possibilities: - Pressure transmitter - Temperature sensor - Relative humidity transmitter - Flow meter (e.g. ultrasonic, thermal mass, differential pressure) - Raw gas analyzer (CH4, O2, CO2 and H2S) - Flue gas analyzer (CH4, O2) - Clean Development Mechanism (CDM) instrumentation package

Thermal mass flow meter

Raw gas analyzer CH4, O2, CO2 and H2S

IFL1c On/off

BIOHOF Modulating

IFL4c High temperature

Dual Fuel High temperature

HOFSTETTER GAS COMBUSTION SYSTEMS PRODUCT OVERVIEW

Mobile Skid mounted

HOFSTETTER GAS COMBUSTION SYSTEMS IFL1c

Product description: - Emergency (On/Off) operation - Combustion chamber AISI 321H - Combustion capacity up to 9 MW - Combustion temperature > 800ºC - Combustion efficiency > 99% - Easy to install (only 2 parts) and start up - High safety standard - Low maintenance costs

200 Nm3/h 300 Nm3/h

HOFSTETTER COMBUSTION SYSTEMS BIOHOF

Product description: - Modulating flow operation - Combustion chamber AISI 321H - Combustion capacity up to 20 MW - Combustion temperature > 800ºC - Combustion efficiency > 99% - Easy to install (only 3 parts) and start up - High safety standard - Low maintenance costs

1,700 Nm3/h

HOFSTETTER GAS COMBUSTION SYSTEMS IFL4c

Product description: - Controlled combustion temperature - In compliance with most strict emission regulations - Insulated combustion chamber AISI 304 - Combustion capacity up to 60 MW - Combustion temperature between 1,000ºC and 1,200ºC - Residence time > 0.3 sec. - Combustion efficiency > 99% - Easy to install (only 2 parts) and start up - High safety standard - Low maintenance costs

1,600 Nm3/h

600 Nm3/h

HOFSTETTER GAS COMBUSTION SYSTEMS DUAL FUEL

Product description: - Simultaneous combustion of biogas & biomethane - Controlled combustion temperature - In compliance with most strict emission regulations - Insulated combustion chamber AISI 304 - Combustion capacity up to 60 MW - Combustion temperature between 1,000ºC / 1,200ºC - Residence time > 0.3 sec. - Easy to install (only 4 parts) - Plug and play design - High safety standard - Low maintenance costs

2,500 Nm3/h biogas 2,100 Nm3/h biomethane

HOFSTETTER GAS COMBUSTION SYSTEMS MOBILE

Product description: - Rapid deployment and mobility - Combustion chamber AISI 321H - Combustion capacity up to 17 MW - Combustion temperature > 800ºC - Combustion efficiency > 99% - Easy to install (only 1 part) - Plug and play design - High safety standard - Low maintenance costs

TYPES OF GAS

BIOGAS LANDFILL GAS

MINE GAS INDUSTRIAL GAS

HOFSTETTER REFERENCE WWTP AGUA PRIETA, MEXICO

End user Jalisco State Location Mexico Gas source Municipal waste water Gas flow 4,100 Nm3/h Thermal capacity 25 MW Scope of supply - H2S removal [< 150 ppmv] - Dehumidification [10ºC dew point] - Filtration [< 1 Micron] - Pressurization [250 mbar dP] - Siloxane removal [< 1 mg/Nm3] - Integrated controls

HOFSTETTER REFERENCE WWTP SHAFDAN, ISRAEL

End user Mey Ezor Dan Location Israel Gas source Municipal waste water Gas flow 5 x 1,240 Nm3/h Thermal capacity 5 x 8 MW Scope of supply - IFL4c flare - Integrated controls

HOFSTETTER REFERENCE WWTP BELLO, COLOMBIA (UNDER CONSTRUCTION)

End user Aguas Nacionales EPM Location Colombia Gas source Municipal waste water Gas flow 3,000 Nm3/h Thermal capacity 21 MW Scope of supply - H2S removal [< 200 ppmv] - IFL4c flares - Dewatering - Dehumidification [10ºC dew point] - Pressurization [150 mbar dP] - Siloxane removal [< 1 mg/Nm3] - Gravel filters & Ceramic filters [5 Micron] - Integrated controls

HOFSTETTER REFERENCE TAPIOCA PLANT, INDONESIA

End user Sahabat Group Location Indonesia Gas source Cassava waste water Gas flow 2,300 Nm3/h Thermal capacity 12.5 MW Scope of supply - H2S removal [< 100 ppmv] - Dehumidification [15ºC dew point] - Pressurization [250 mbar dP] - IFL4c flare - Integrated controls - CDM instrumentation package

HOFSTETTER REFERENCE PALM OIL REFINERY, COLOMBIA

End user Daabon Group Location Colombia Gas source Palm oil refinery waste water Gas flow 1,000 Nm3/h Thermal capacity 7 MW Scope of supply - H2S removal [< 250 ppmv] - Dehumidification [10ºC dew point] - Pressurization [230 mbar dP] - IFL4c flare - Integrated controls - CDM instrumentation package

HOFSTETTER REFERENCE LANDFILL DUBAI, UNITED ARAB EMIRATES

End user Green Energy Solutions & Sustainability LLC Location United Arab Emirates Gas source Municipal Solid Waste Gas flow 2 x 3,000 Nm3/h Thermal capacity 2 x 15 MW Scope of supply - Particle filtration [200 Micron] - Dehumidification [10ºC dew point] - Pressurization [320 mbar dP] - Container [40 FT] - IFL4c flare - Integrated controls - CDM instrumentation package

HOFSTETTER REFERENCE LANDFILL PACHUCA, MEXICO

End user Enersus S.A.P.I. de C.V. Location Mexico Gas source Municipal Solid Waste Gas flow 720 Nm3/h Thermal capacity 3.6 MW Scope of supply - Dehumidification [10ºC dew point] - Pressurization [230 mbar dP] - Sensible heat cooling [35ºC dry bulb temperature] - Siloxane removal [< 1 mg/Nm3] - Particle filtration [< 5 Micron] - IFL1c flare - Integrated controls

HOFSTETTER REFERENCE LANDFILL WELBECK, UK

End user Welbeck Waste Management Ltd. Location United Kingdom Gas source Municipal Solid Waste Gas flow 7,000 Nm3/h Thermal capacity 35 MW Scope of supply - Particle filtration [200 Micron] - Pressurization [330 mbar dP] - Container [40 FT] - IFL4c flares - Integrated controls

HOFSTETTER REFERENCE LANDFILL MONTERREY, MEXICO

End user Bionergia de Nuevo Leon, S.A. DE C.V. Location Mexico Gas source Municipal Solid Waste Gas flow 12,000 Nm3/h Thermal capacity 60 MW Scope of supply - Siloxane removal [< 1 mg/Nm3]

HOFSTETTER REFERENCE LANDFILL SEROPÉDICA, BRAZIL

End user Ciclus Ambiental do Brasil S.A. Location Brazil Gas source Municipal Solid Waste Gas flow 7,500 Nm3/h Thermal capacity 37.5 MW Scope of supply - Dewatering - Pressurization [265 mbar dP] - IFL4c flares - Integrated controls - CDM instrumentation package

HOFSTETTER REFERENCE OAKY CREEK COAL, AUSTRALIA

End user Glencore Location Australia Gas source Coal seam Gas flow 46,000 Nm3/h Thermal capacity 240 MW Scope of supply - Dewatering - Particle filtration [200 Micron] - IFL4c flares - Integrated controls - Flue gas analyzers

HOFSTETTER REFERENCE BLAKEFIELD SOUTH MINE, AUSTRALIA

End user Glencore Location Australia Gas source Coal seam Gas flow 27,000 Nm3/h Thermal capacity 180 MW Scope of supply - Dewatering - Particle filtration [200 Micron] - IFL4c flares - Integrated controls - Flue gas analyzers

HOFSTETTER REFERENCE TAHMOOR COAL, AUSTRALIA

End user Glencore Location Australia Gas source Coal seam Gas flow 36,000 Nm3/h Thermal capacity 120 MW Scope of supply - Dewatering - Particle filtration [200 Micron] - IFL4c flares - Integrated controls - Flue gas analyzers

HOFSTETTER REFERENCE BELTANA MINE, AUSTRALIA

End user Glencore Location Australia Gas source Coal seam Gas flow 102,000 Nm3/h Thermal capacity 96 MW Scope of supply - IFL4c flares - Integrated controls - Flue gas analyzers

HOFSTETTER REFERENCE NEW DENMARK COLLIERY, SOUTH AFRICA

End user Anglo American Location South Africa Gas source Coal seam Gas flow 500 Nm3/h Thermal capacity 3.6 MW Scope of supply - Mobile flare - Integrated controls - CDM instrumentation package

HOFSTETTER REFERENCE EXPORT TERMINAL PUERTO BAHIA, COLOMBIA

End user Sociedad Portuaria Puerto Bahia S.A. Location Colombia Gas source Oil tanker vapors Gas flow 7,750 Nm3/h Thermal capacity 72.5 MW Scope of supply - Dewatering - Pressurization [278 mbar dP] - IFL4c flares - Integrated controls

HOFSTETTER REFERENCE BIOMASS GASIFICATION PLANT LIMOGES, FRANCE

End user Eneria Location France Gas source Wood pyrolysis Gas flow 2,100 Nm3/h Thermal capacity 3.5 MW Scope of supply - IFL4c flare - Integrated controls

HOFSTETTER REFERENCE BIOMASS GASIFICATION PLANT, FRANCE

End user Inertam Location France Gas source Wood pyrolysis Gas flow 3,100 Nm3/h Thermal capacity 4 MW Scope of supply - IFL4c flare - Integrated controls

HOFSTETTER REFERENCE GEOTHERMAL PLANT, THE NETHERLANDS

End user City of Den Haag Location The Netherlands Gas source Geothermal heat Gas flow 360 Nm3/h Thermal capacity 3.4 MW Scope of supply - IFL1c flare - Integrated controls

HOFSTETTER REFERENCE RUBBER GASIFICATION PLANT, THE NETHERLANDS

End user Black Bear Carbon Location The Netherlands Gas source Tire pyrolysis Gas flow 2,500 Nm3/h Thermal capacity 12.5 MW Scope of supply - IFL4c flare - Integrated controls

“IT’S NOT ABOUT WHAT WE CAN DO, IT’S ABOUT WHAT WE CAN DO FOR YOU”

You can find more information on our website: www.hofstetter-uwt.com

Hofstetter BV Boeingavenue 8 NL-1119 PB The Netherlands T +31 20 74 00 999 E info@hofstetter-uwt.com