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Both speakers explained how to deal with varying feedwater quality to meet the purity requirements for ultrasupercritical boilers.
Revision Date: 12/18/2014
Tags: 221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, Eco-Tec, Ovivo USA, Ion Exchange, Granular Media Filter, Total Organic Compount (TOC)
Michael explained how to deal with varying feedwater quality to meet the purity requirements for ultrasupercritical boilers. He focused on two pieces of equipment. One was the short packed bed ion exchange system. Because it uses much smaller resin granules the space requirement is greatly reduced.
Revision Date: 12/18/2014
Tags: 221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, Eco-Tec, Ion Exchange, Granular Media Filter
Increased Water Treatment Plant Capacity at Mexican Power Station
This paper describes the process and equipment used to treat a Mexican secondary water source in order to supply boiler feed make-up to a combined cycle power plant. RO pretreatment is provided by a highly efficient micro media filter that produces a filtrate with a turbidity of 0.1 – 0.2 NTU and an SDI value of 3 – 5. Following the RO, a compressed-bed ion exchange system was supplied to replace an existing electrodeionization polisher. The final product water produced has a conductivity less than 0.06 μS/cm.
Revision Date: 8/12/2011
Tags: 221112 - Fossil Fuel 化石燃料, Eco-Tec, Burns & McDonnell, Electrodeionization, Filter, Ion Exchange, Compressed Short Bed, Reverse Osmosis, Air Quality, Wastewater, Boiler Feedwater
Power Industry Experience Using Micro Media Filtration and Short Bed Ion Exchange Geoff Hong, Eco-Tec Inc. With the demand for higher efficiencies and lower maintenance and operating costs for boilers and turbines, high purity water treatment systems are becoming more crucial to the operation of power plants. Modern power plants, operating at supercritical and ultra supercritical boiler pressures and temperatures, require such high purity water that it is approaching theoretical levels. High efficiency gas-fired combustion turbines, which use high purity water for NOx control and sprint mode, heat recovery steam generators and once through steam generators also require high purity water for the same reasons. Effective pre-treatment for reverse osmosis (RO) and ion exchange (IX) demineralizer systems not only contributes to the production of high purity water, but also helps to reduce the operating and maintenance costs of those systems. The versatility and efficiency of short bed ion exchange systems produce high purity water from feeds of variable characteristics, with lower chemicals consumption and waste volumes. This paper discusses the use of micro media filtration as a pre-treatment for RO or IX systems and the use of short bed IX systems for the production of high purity boiler feed make up water and condensate polishing. The experiences of several installations are outlined for applications in power generation and cogeneration plants.
Revision Date: 4/14/2011
Tags: 221113 - Nuclear Electric Power Generation * , 221112 - Fossil Fuel 化石燃料, Eco-Tec, Ion Exchange, Filter Media, Steam Cycle, Water Treatment, USA
Electric Utility Chemistry Workshop, June 7-9, 2011, Champaign, IL, Exhibitors
Now in its 31st year, this comprehensive program features state-of-the-art information on controlling corrosion, improving operation efficiency, and meeting environmental challenges in fossil- and nuclear-fueled power plants. This year’s program is geared toward improved training and continuing education of personnel responsible for electric utility cycle and environmental chemistry. More than 3,000 chemists, consultants, and power plant administrators have attended the workshop since its inception in 1981. The 2011 program has been developed by a committee of representatives from midwestern electric utilities, the Illinois State Water Survey, the University of Illinois at Urbana-Champaign, and consultants serving the power industry. Some of the most popular features of the workshop are the Utility Experience presentations. Seasoned professionals from utility companies discuss their experiences on a range of topics. The entire workshop has been structured to encourage participation from attendees.
Revision Date: 4/14/2011
Tags: 221113 - Nuclear Electric Power Generation * , 221112 - Fossil Fuel 化石燃料, Mettler-Toledo Thornton, Nalco, Ovivo USA, Aquatech, Sentry Equipment, Fuel Tech, Wolcott Water Systems, Waltron, Evoqua Water Technologies, Swan Analytical Instruments, Thermo Scientific, Turner Designs Hydrocarbon Instruments, Sanosil, Lanxess Sybron Chemicals, Conco Systems, Industrial Analytics, Illinois Water Technologies, GE Water, Eco-Tec, Eka Chemicals, AVANTech, Graver Technologies, H2O Innovations, Baker Hughes, Hach, Buckman, Martek Instruments, Veolia Water, Power Generation, Steam Cycle, Water Treatment, USA