Selective Catalytic Reduction System definition

Selective Catalytic Reduction System or “SCR” means a pollution control device that employs selective catalytic reduction technology for the reduction of NOx emissions.

Selective Catalytic Reduction System or “SCR” means an air pollution control device for reducing NOx emissions in which ammonia (NH3) is added to the flue gas stream and then passed through layers of a catalyst material. The ammonia and NOx in the flue gas stream react on the surface of the catalyst, forming nitrogen (N2) and water vapor.

Selective Catalytic Reduction System or “SCR” shall mean a pollution control system that employs anhydrous, aqueous ammonia or urea reagent injection and a catalyst to speed the reaction of the reagent with NOx and to drive the reaction to greater completion, for the purpose of reducing NOx emissions.

Examples of Selective Catalytic Reduction System in a sentence

• The combined exhaust gas from S-70 Gas Turbine T-2 and S-71 Waste Heat Boiler #2 shall be abated by A-189 Selective Catalytic Reduction System whenever fuel is combusted at S-70 or S-71 and the A-189 catalyst bed has reached minimum operating temperature.

• The combined exhaust gas from S-73 Gas Turbine T-3 and S-74 Waste Heat Boiler #3 shall be abated by A-190 Selective Catalytic Reduction System whenever fuel is combusted at S-73 or S-74 and the A-190 catalyst bed has reached minimum operating temperature.

• The combined exhaust gas from S-67 Gas Turbine T-1 and S-68 Waste Heat Boiler #1 shall be abated by A-188 Selective Catalytic Reduction System whenever fuel is combusted at S-67 or S-68 and the A-188 catalyst bed has reached minimum operating temperature.

• These changes affect a number of parameters of vehicle operation including the manner in which the engine runs, in particular in relation to fuel injection timing, quantity and pressure, exhaust gas recirculation, diesel particulate filter and, in the case of Audi Q5 vehicles equipped with a Selective Catalytic Reduction System ( SCR System) the SCR System.

• This permits thecomparison of predicted probabilities from each model with the actual outcome.

• The Gas Turbine (S-3) and HRSG (S-4) shall be abated by the properly operated and properly maintained Oxidizing Catalyst (A-3) and Selective Catalytic Reduction System (A-4), in series.

• D.1.10 Selective Catalytic Reduction System Monitoring Requirements(a) The Permittee shall record the pressure drop across the Selective Catalytic Reduction System used in conjunction with the CSP at least once per day when CSP is in operation.

• Combustion Gas Turbine, General Electric LM 6000 PC Sprint, natural gas fired, 49.4 MW (nominal), 500 MMbtu/hr maximum rated capacity (HHV1); abated by Oxidation Catalyst and Selective Catalytic Reduction System.

• The Pittsburg District Energy Facility will consist of the following permitted equipment: S-1 Combustion Gas Turbine #1, General Electric Frame 7FA Model PG 7231 or equivalent; 1,929 MM BTU per hour, equipped with dry low-NOx Combustors, abated by A-1 Selective Catalytic Reduction System and A-2 Oxidation Catalyst S-2 Heat Recovery Steam Generator #1, equipped with dry low-NOx Duct Burners, 83 MM BTU per hour, abated by A-1 Selective Catalytic Reduction System and A-2 Oxidation Catalyst.

• Since Selective Catalytic Reduction System technology will be under constant development, the requirements of this Guidance may need to be supported by additional information and require- ments, on a case by case basis.

More Definitions of Selective Catalytic Reduction System

Selective Catalytic Reduction System or “SCR” means all hardware, components, parts, sensors, subassemblies, software, AECDs, Calibrations, and other Elements of Design that collectively constitute the system for controlling NOx emissions through catalytic reduction using an ammonia-based diesel exhaust fluid (“DEF”) as the reducing agent, including without limitation all hardware, components, parts, sensors, subassemblies, software, AECDs, Calibrations, and other Elements of Design relating to

Selective Catalytic Reduction System or “SCR” means all hardware, components, parts, sensors, sub-assemblies, software, AECDs, calibrations, and other elements of design that collectively constitute the system for controlling NOx emissions through catalytic reduction using an ammonia-based diesel exhaust fluid (“DEF”) as the reducing agent, including without limitation all hardware, components, parts, sensors, subassemblies, software, AECDs, calibrations, and other Elements of Design relating to (1) the DEF storage tank; (2) the DEF injectors, (3) the dosing control unit, and (4) the SCR catalysts assembly;

Selective Catalytic Reduction System or “SCR System” means all hardware,

Selective Catalytic Reduction System or “SCR” means all hardware, components, parts, sensors, sub-assemblies, software, AECDs, calibrations, and other elements of design that