NOx control Articles
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Flue gas Hg measurements from coal-fired boilers equipped with wet scrubbers
The U.S. EPA has indicated they are considering additional SO2 and NOx emission reductions, and EPA is under a consent agreement to propose mercury reduction regulations by 2004 for the utility industry. The boiler manufacturers and the utility industry have developed improved combustion modification techniques to reduce NOx emissions. These advanced combustion modification techniques, plus ...
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NOx formation by steam injection using detailed chemical kinetics
In order to improve thermal efficiency of gas turbine system and better control NOx emission, the injection of steam into a gas turbine combustor has been employed. This study has used both chemical equilibrium calculations and the counterflow diffusion flame calculations of methane-air flame aiming at the elucidation of the NOx reduction mechanism due to the steam injection. The influence of the ...
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Case No. 502: SCRT® Installed on 2900 HP Cummins Diesel Engine to Generate Power for Snow Making Equipment in California
Snow Summit Ski Resort of Big Bear Lake, California had a unique requirement to control PM, NOx, CO and VOC emissions from their Cummins QSK60-G6 engine. They chose Johnson Matthey’s SCRT®, which contains a patented CRT® filter system and a urea injection SCR catalyst system. Background During ski season, Snow Summit Ski Resort must operate their Cummins QSK60-G6 engine almost continuously ...
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Benz Air Engineering Engineering Steam Efficiency - Case study
The following is a case study of a tomato processing plant located in Woodland, California. The facility produces canned tomato products. The steam boiler plant provides steam for process loads. The boiler plant contains five high-pressure steam boilers. Our case study is the retrofit for Boiler #6, Trane-Murray, water-tube boiler of 150,000 lb. per hour rated capacity (capacity is limited to ...
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Difficult Complex Decisions For Coal-fired Power Plant Operators
Changing fuel prices, government regulations and technology all combine to make decision making difficult for operators and developers of coal-fired power generation facilities around the world. Power plant designers in developing countries face new local environmental regulations plus additional requirements stipulated by lenders such as the World Bank. In the developed world, the regulations ...
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Combined Heat And Power Distillery - Captain Morgan - Case Study
OWNER DIAGEO LOCATION St. Croix, US Virgin Islands PRODUCT Centaur® 50 (4.6 MW) Gas Turbine CUSTOMER VALUE LPG Fuel and Cost Savings On the island of St. Croix, located in the Virgin Islands, the Captain Morgan rum distillery uses a Centaur 50 gas turbine for combined heat and power (CHP). The unit provides both electricity and steam for the distillery's operations. Diageo chose the ...
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Solvay Specialty Polymers - 8 MW CHP System - Case Study
Quick Facts LOCATION: Marietta, Ohio MARKET SECTOR: Chemical CHP GENERATING CAPACITY: 8 MW PRIME MOVER: Solar Taurus 70 gas turbine FUEL: Natural Gas HEAT RECOVERY EQUIPMENT: 150,000 lb/hr HRSG with fresh air firing capability Two 80,000 lb/hr package boilers HEAT RECOVERY RATE: Up to 150,000 lb/hr of 300 psig process steam USE OF THERMAL ENERGY: Process heating ENVIRONMENTAL CONTROLS: ...
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Advanced WESP designs assure superior gas cleaning performance
Nowadays, many industries are facing formidable environmental challenges and there is a growing need for effective, economical gas cleaning and air pollution control equipment. Michael Beltran of Beltran Technologies, Inc. reports on a renewed interest in high-efficiency wet electrostatic precipitators (WESPs) and discusses their importance for controlling sulphuric acid mists and other ...
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