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Michael (Mike) Atwell, Market Development Manager, Solvay Chemicals Inc indicated that most of the recent activity is due to the NAAQS of 75 ppm SO2 and realization that to meet 2018 deadlines the time for action is now.
Revision Date: 7/10/2014
Tags: 221112 - Fossil Fuel 化石燃料, SOLVAir Solutions, Dry Sorbent Injection
Measurement and Control of HCl Webinar - Presenter Bios
Revision Date: 7/18/2013
Tags: 221112 - Fossil Fuel 化石燃料, SOLVair Solutions, SICK MAIHAK, NatronX Technologies, Mississippi Lime, United Conveyor
Dry injection of sodium sorbents (trona and sodium bicarbonate) has been proven as an important multi-pollutant control technology due to (a) its low capital cost, (b) small installation, © easiness to operate, and (d) flexibility to fuel changes. Trona has been used as the main sodium sorbent due to its relatively low price. However, for some power plants where higher SO2 removal rates are desired and amount of generated fly ash need to be minimized, sodium bicarbonate (NaHCO3) offers a good alternative. For these reasons, a power plant that has been using trona since Fall 2005 tested conversion from trona to sodium bicarbonate on a 100 MW boiler. Trona or sodium bicarbonate was injected upstream of a hot-side ESP. The flue gas temperature at the injection point was around 600 oF. For 80% of SO2 removal, the normalized stoichemetric ratio (NSR) with trona was 2.5. With milled sodium bicarbonate, the required NSR for the same SO2 removal rate was decreased to 1.0. Over 97% of HCl was also removed. As a result, less sorbent was needed and significant savings in the sorbent was achieved. Furthermore, less fly ash was produced due to the sorbent change, and resulted in lower fly ash disposal cost. Same as trona, the sodium bicarbonate was able to keep the stack opacity below the limit since both sodium sorbents were able to lower the fly ash resistivity and thus enhance the ESP performance.
Revision Date: 5/11/2011
Tags: 221112 - Fossil Fuel 化石燃料, SOLVAir Solutions, Sorbent Injection, Air Quality, USA
Electric Power Conference, Chicago, Illinois, May 10-12, 2011 / Exhibitors
A number of air pollution system and coal fired boiler component suppliers, as well as some water oriented companies, will be exhibiting.
Revision Date: 3/9/2011
Tags: 221112 - Fossil Fuel 化石燃料, NeuCo, Metso, NWL Transformers, Nalco Mobotec, Milton Roy, Layne Christensen, KSB, Oak Park Chimney, KE Burgmann, Siemens Energy, Johnson Matthey, Horn Industrial Services, Kiewit Power Engineers, Paragon Airheater Technologies, Pennsylvania Crusher, Praxair, Roberts & Schaefer, CoaLogix, SOLVAir Solutions, SPX Flow Technology, Zachry, Veolia ES / Special Services, Swan Analytical Instruments, Hitachi Power Systems America, Hadek, Curtiss-Wright, International Chimney, Ovivo USA, Whiting Corporation, Vector Construction, Pentair Flow Technologies, Titan Fabrication, Sulzer Turbo Services, Pullman Energy Services, Nickel Systems, National Steel Erection, Air - Cure, Masaba Mining Equipment, National Steel City, Heyl & Patterson, FMC Corporation, East Jordan Iron Works, Degremont Technologies, Day & Zimmermann, Cambria Contracting, Burns & McDonnell, BRUKS Rockwood, Babcock & Wilcox, Grindex Pumps, Clyde Bergemann, Allied Environmental Solutions, Fujikin, Fuel Tech, FLSmidth, Everlasting Valve, Endress + Hauser, Eaton, DustMASTER Enviro Systems, Dustex, Donaldson, Graycor, Infilco Degremont, GE Energy, Chemco Systems, Calgon Carbon, Blome International, Barnhart Crane & Rigging, Apollo Valves, Atlas Copco, USA