The first phase of the E2Stak solution, emissions reductions, is achieved with the CataStak™ SCR System, capable of reducing NOx emissions by over 90% to less than 5 ppm for gas-fired boiler applications and 2.5 ppm for gas turbine applications. It is mounted to the exhaust stack of the boiler and the technology uses catalyst and ammonia as a reducing agent to convert NOx to harmless nitrogen and water.
The second phase of the system, energy efficiency, is accomplished using EconoStak economizers. Hot gases from the CataStak™ SCR System flow through the EconoStak and the extended surface finned tube economizer captures valuable waste heat and sends it back into the boiler feedwater or make-up water, saving a considerable amount of fuel and significantly reducing operating costs.
Features of E2Stak Solutions• Decrease operating costs
• Reduce emissions/pollutants
• Simple start-up and installation
• Easy field retrofit
• Simple controls – minimum operator intervention
• Stand-alone operation
• One source responsibility
• Engineered flange to flange packaged system
The E2Stak provides all the benefits the CataStak™ SCR System and EconoStak have to offer: decreased emissions, increased energy efficiency, and GHG/carbon reducing solutions, thus providing a positive payback.