SCR system definition

SCR system means a system capable of converting gaseous pollutants into harmless or inert gases by injecting a consumable reagent, which is a reactive substance to reduce tailpipe emissions and which is adsorbed onto a catalytic converter;
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SCR system means the combination of components necessary for NOx to be reduced by selective catalytic reduction. These components include the DEF tank, DEF injection system, SCR catalyst(s), and associated sensors.
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SCR system means the selective catalytic reduction system specified in the Technical Specifications, including the Catalyst, SCR Material Handling Systems, ammonia injection grid, ductwork, and appurtenant Materials for Units 1 and 2.
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Examples of SCR system in a sentence

  • The results of 100% load calculation show that the uniformity of smoke flow field in the SCR system is significantly improved with the addition of baffles, and the velocity relative to the standard deviation in the set reference section area is mostly reduced to different degrees.

  • The speed of the Outlet of the SCR system (air preheater inlet, outlet) decreases to 24.09% (Reduce 27.96%) relative to the standard deviation, which improves the uniformity of the air flow field into the air preheater to some extent.

  • Commenters stated that redesigning or replacing an economizer may be limited for some units by the need to maintain appropriate temperatures at a downstream SCR system for nitrous oxides (NOx) control.

  • The oxidation catalyst will control emissions of volatile organic compounds (VOC), carbon monoxide (CO), and organic hazardous air pollutants and the SCR system will control emissions of nitrogen oxides (NOx).

  • Each RICE will be equipped with an oxidation catalyst system and a selective catalytic reduction (SCR) system.

  • It is estimated that the net power incremental requirement due to higher catalyst bed pressure drop is about 1.8 times that associated with a comparable SCR system.

  • A selective catalytic reduction (SCR) system has been added to control NOX emissions.

  • For the SCR system to operate properly, the exhaust gas must maintain minimum O2 concentrations and remain within a specified temperature range (typically between 480ºF and 800ºF with the most effective range being between 580°F and 650°F), with the range dictated by the type of catalyst.

  • The SCR system will allow the plant to operate within the Minor New Source levels permitted by the Florida Department of Environmental Protection (DEP).Winston Peaking Station (WPS) was constructed adjacent to Lakeland’s Winston Distribution Load Substation.

  • It predicts when the SCR system catalyst layer reactor potential will drop below its minimal value.

Related to SCR system

  • MERS(R) System The system of recording transfers of Mortgages electronically maintained by MERS.

  • Supplier System means the information and communications technology system used by the Supplier in performing the Services including the Software, the Equipment and related cabling (but excluding the Customer System);

  • Sewer System means pipelines or conduits, pumping stations, force mains, vehicles, vessels, conveyances, injection wells, and all other constructions, devices, and appliances appurtenant thereto used for conducting sewage or industrial waste or other wastes to a point of ultimate disposal or disposal to any water of the state. To the extent that they are not subject to section 402 of the federal Water Pollution Control Act, ditches, pipes, and drains that serve only to collect, channel, direct, and convey nonpoint runoff from precipitation are not considered as sewer systems for the purposes of this part of this division.

  • Water System means the plants, structures and other

  • SDX System means the system used by NERC to exchange system data.

  • Customer System means the Customer's computing environment (consisting of hardware, software and/or telecommunications networks or equipment) used by the Customer or the Supplier in connection with this Contract which is owned by or licensed to the Customer by a third party and which interfaces with the Supplier System or which is necessary for the Customer to receive the Services;

  • 911 system means the set of network, database and customer premise equipment (CPE) components required to provide 911 service.

  • XXXXX System means the XXXXX filing system of the Commission and the rules and regulations pertaining thereto promulgated by the Commission in Regulation S-T under the Securities Act and the Exchange Act, in each case as the same may be amended or succeeded from time to time (and without regard to format).

  • SCADA System means the Supervisory Control and Data Acquisition System which is composed of all telemetering and remote terminal units (“RTU”) at the Facility and associated with the Grid System or BPDB’s Control Center;

  • TA2000 System means DST’s TA2000TM computerized data processing system for shareholder accounting.

  • Wastewater System means a system of wastewater collection, treatment,

  • Major system means the primary structural, mechanical, plumbing, electrical, fire protection, or occupant service components of a building which include but are not limited to, weatherization, roofing, plumbing (including wells), heating, electricity, sanitary plumbing (including septic systems), lead paint abatement or load bearing structural systems.

  • Computer System means (1) computers with related peripheral components, including storage components, (2) systems and applications software, (3) terminal devices, (4) related communications networks or customer communication systems, and (5) related electronic funds transfer systems; by which data or monies are electronically collected, transmitted, processed, stored or retrieved.

  • Stormwater system means constructed and natural features which function together as a system to collect, convey, channel, hold, inhibit, retain, detain, infiltrate, divert, treat, or filter stormwater. “Stormwater system” includes both public and privately owned features.

  • Customer Systems means the Customer's information technology infrastructure, including computers, software, hardware, databases, electronic systems (including database management systems) and networks, whether operated directly by Customer or through the use of third-party services.

  • Contractor System means the information and communications technology system used by the Contractor in performing the Services including the Software, the Contractor Equipment and related cabling (but excluding the Authority System).

  • Waterworks System or “system” means a system of pipes and structures through which water is obtained and distributed, including but not limited to wells and well structures, intakes and cribs, pumping stations, treatment plants, storage tanks, pipelines and appurtenances, or a combination thereof, actually used or intended for use for the purpose of furnishing water for drinking or household purposes.

  • smart metering system means an electronic system that is capable of measuring electricity fed into the grid or electricity consumed from the grid, providing more information than a conventional meter, and that is capable of transmitting and receiving data for information, monitoring and control purposes, using a form of electronic communication;

  • Grid System means STU / MSEDCL power transmission system / distribution system through which Delivered Energy is evacuated and distributed.

  • Combined sewer system means a system for conveying both sanitary sewage and storm water runoff.

  • PV System means a residentially hosted roof-top solar electric generating system, including photovoltaic panels, racks, wiring and other electrical devices, conduits, weatherproof housings, hardware, one or more inverters, remote monitoring systems, connectors, meters, disconnects and over current devices.

  • System Software means Software that provides the operating and management instructions for the underlying hardware and other components, and is identified as such in Appendix 4 of the Contract Agreement and such other Software as the parties may agree in writing to be Systems Software. Such System Software includes, but is not restricted to, micro-code embedded in hardware (i.e., “firmware”), operating systems, communications, system and network management, and utility software.

  • Metering System means all meters and metering devices (including current transformers and potential transformers) owned by the Company and used to measure Dependable Capacity and the delivery by the Company and receipt by BPDB of Net Energy Output;

  • New tank system means a tank system that will be used to contain an accumulation of regulated substances and for which installation has commenced after January 14, 1987. (See also “Existing Tank System.”)

  • Signaling System 7 (SS7) means a signaling protocol used by the CCS Network.

  • Fuel system means the components which store or transport fuel on board the vehicle and comprise the fuel tank system, all fuel and vapour lines, any non-tank mounted fuel pumps and the activated carbon canister.