SERVICES
Your Single Source Solution from Start to Finish
The Sisu Team pioneered the design of Emissions Reduction Systems for combustion turbines. As an OEM Supplier, Sisu understands the complete system integration and how each component interacts within the whole system, from the turbine exhaust flange to the outlet of the stack.
Emissions Reduction Units
OEM Supplier
Sisu is an OEM supplier of Emissions Reduction Units (ERUs) to the major Combustion Turbine manufacturers. Solutions can include Carbon Monoxide (CO) oxidation systems, destruction of Volatile Organic Compounds (VOCs), destruction of formaldehyde, and reduction of Nitrous Oxide (NOx).
Direct to User
Sisu also works directly with end users to customize new or existing Equipment to meet the needs for upgraded performance.
Custom Retrofits
Retrofits can be custom engineered to solve specific site requirements.
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Waste Heat
Recovery Units
Sisu can custom design your project's Waste Heat Recovery Units (WHRUs). The WHRU components can operate independently or be incorporated with any emissions reduction components your project may require.
Patented
Technology
Sisu’s FreeHeat Ammonia
Vaporization System
Ideal for:
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New Installations
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Retrofit
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Reduced Maintenance
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Increased net Power Production
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Simplified Installation
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Turnkey Retrofit Design
Sisu’s proven patented FreeHeat Ammonia Vaporization is supplied for new installations but is particularly suited to replacement opportunities where the old electric heaters have become problematic and/or unreliable. New units can save 100-200 kW per unit because FreeHeat replaces the electric heaters and their control systems, eliminating the auxiliary load so that power can go “out the gate” to net power production. The FreeHeat reduces maintenance and downtime and provides faster startups and quicker ammonia injection cycles, thereby reducing total NOx emissions.
FreeHeat Anti-Icing
Ideal for:
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New, fully Integrated Designs
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Retrofit Designs for Old, failing Units
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Turnkey Retrofit Installation
Sisu’s FreeHeat Anti-Icing System can be provided with a complete ERU or as a stand-alone component. Many old heated-air systems installed at the turbine outlet have become problematic due to poor temperature resilience. The Sisu in-line design eliminates this problem. Sisu’s new installation design utilizes an internal coil to accept both active and static modes.
Aftermarket
Services
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Catalyst Testing
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Catalyst Cleaning
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Catalyst Replacement
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Catalyst Restacking
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Catalyst Frame Upgrades and Repairs
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Ammonia Tuning
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Control System Upgrades
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FreeHeat Ammonia Vaporization Retrofit
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Free Heat Anti-Icing
Sisu provides catalyst testing services to help you track and evaluate catalyst life, allowing you to plan for future cleaning or replacement as needed.
Sisu can perform in-place CO and NOx Catalyst cleaning, as well as remove and water or acid wash CO Catalysts.
Sisu can provide turnkey catalyst replacement.
Sisu can restack and reseal existing catalyst components and offers upgraded and improved sealing systems that can be retrofitted during restack.
Sisu performs onsite ammonia tuning adjustments and program adjustments to keep your system compliant.
As some PLC models and their components become obsolete, Sisu can upgrade and improve your operation with new state-of-the-art equipment.
Sisu can provide the complete line of FreeHeat Systems for retrofit on a turnkey basis.