Data Search by General Subjects
Video and thermography improve boiler operation
Durag offers a system to assist boiler operators in optimizing combustion efficiency through a video and themography combination
Revision Date: 3/31/2015
Tags: 221112 - Fossil Fuel 化石燃料, Durag, Efficiency, Combustion, USA
Power Plant Cooling Webinar - Hot Topic Hour November 13, 2014
The webinar focused on the decisions power plants will make relative to steam cooling at both new and existing facilities.
Revision Date: 11/13/2014
Tags: 221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, Nalco, Ovivo USA, National Energy Technology Laboratory, Research Cottrell Cooling, Kiewit, Clarifier, Water Intakes, Water Quality Modeling System, Boiler Feedwater System, 316(b), Regulation, Efficiency, Water Reuse, Wastewater Reuse, Heat Recovery, Water Treatment, Water Conservation
Cooling Tower Calculations by Nick Schroeder - Kiewit - Hot Topic Hour November 13, 2014
Nick provided an interesting perspective on the science of cooling.
Revision Date: 11/13/2014
Tags: 221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, Kiewit, Cooling Tower, Efficiency
Boiler Feedwater Pump Efficiency Optimization - Yokogawa
The optimization of boiler feedwaer operations depends on controlling feedwater and drum pressure. The Yokogawa Dpharp can measure pressures up to 2000 psi and can measure across a range of pressures with high accuracy. Significant energy and maintenance reduction is achieved with optimization of pressure differential.
Revision Date: 9/17/2014
Tags: 221112 - Fossil Fuel 化石燃料, Yokogawa Electric, Boiler Feedwater Pump, Efficiency, Optimization
GE Introduces New Gas Turbines Plants Rated at More than 61% Combined Cycle Efficiency
The most effective way to increase combined cycle efficiencies is to develop advanced gas turbine engine technologies capable of operating at even higher firing temperatures. GE is introducing a series of air cooled high efficiency gas turbines with firing temperatures of over 2500°F. The first 7HA turbine will be installed at Chubu Electric Power in Japan in 2016; the first 9HA turbine at EdF Bouchain in France in 2015.
Revision Date: 4/4/2014
Tags: 221112 - Fossil Fuel 化石燃料, GE, Gas Turbine, H-Class, Efficiency, Gas Turbine World, Japan, France
Extensive CDS Experience Already Gained in U.S
Lime and hydrated lime are widely available to meet the demands of FGT applications in the U.S. power industry. Lime-based CDS technologies have become popular options to achieve very high removals of multiple pollutants produced from solid fossil fuel-fired electricity generating units. Four lime-based CDS technologies have been installed in 12 PC boilers and 12 CFB boilers. Constructions are underway at 15 PC boilers. These technologies are applied to units with sizes ranging from 58 to 690 MW. Data obtained from AES Greenidge and Sandow Stations showed that the emission limits of Hg, filterable particulate, and HCl mandated under the Mercury and Air Toxics Standards were met. CDS is capable of handling solid fuels with various sulfur contents. CDS is capable of handling wide swing load. Multiple CDS reactor vessels can be placed in parallel to process flue gases from larger units
Revision Date: 3/20/2014
Tags: 221112 - Fossil Fuel 化石燃料, Graymont, Circulating Dry Scrubber, Efficiency, Module
Comparison of spray dryer and CDS by Farber et al
Each has advantages. SO2 Capture Capability-advantage to CDS Fuel Flexibility- advantage to CDS Load Flexibility-advantage to SDA Utilities Consumption-slight advantage to SDA Waste Production- advantage to SDA
Revision Date: 3/18/2014
Tags: Circulating Dry Scrubber, Spray Dryer, Efficiency, Cost
Barry Kellar, President of Freudenberg Filtration - North America, was a key note speaker on “Sustainability” at Filtration 2010 in Philadelphia. Part of this presentation is devoted to the Villedon eee.sy or energy efficiency enhancement system. Fruedenberg not only furnishes the gas turbine inlet filters but also the cooling of the air entering the turbine based on vapor absorption technology. Waste heat from the system is used as the energy source, so capacity increases of up to 22 percent are achieved without parasitic power consumption.
Revision Date: 12/1/2010
Tags: 221112 - Fossil Fuel 化石燃料, INDA, Freudenberg Filtration Technologies, Air Filter, Chiller, Efficiency, Air Filtration, Air Intake, Cooling
Invista provided the latest news on availability and performance of DBA to improve limestone scrubber efficiency.
Revision Date: 11/17/2010
Tags: 221112 - Fossil Fuel 化石燃料, Invista (Koch), Dibasic Acid, Efficiency
Invista DBA Dibasic Acid for Flue Gas Desulfurization
Invista provided the latest news on availability and performance of DBA to improve limestone scrubber efficiency.
Revision Date: 11/17/2010
Tags: 221112 - Fossil Fuel 化石燃料, Invista (Koch), Dibasic Acid, Air Quality, Efficiency, FGD
Dibasic Acid from Invista for Higher SO2 Removal Efficiency
Invista DBA will be Available to Improve FGD Efficiency Rick Beatty and Gary Hilkert of Invista told a Hot Topic audience Wednesday that the Orange, Texas plant will be starting operations in the first quarter 2011 and will be able to deliver dibasic acid (DBA) to the power market. The meeting started with an overview by McIlvaine pointing out that the PM2.5 ambient rules will force states to require very low emissions of SO2 in order to reduce sulfates. Los Angeles is still struggling to meet the ambient rules even after they eliminated coal-fired power plants and major sources. The South Coast Air Quality Management District issued a new rule this month which will require refineries and several remaining sources to reduce SO2 to less than 10 tons at a cost of many millions of dollars. Note this is not 10,000,000 tons, or 10,000 tons. It is 10 tons aggregated for all sources. By contrast coal-fired boilers in the rest of the country emit 8.9 million tons. The new South Coast reduction is less than CEMS accuracy when the emissions are 10,000 tons. There is a caveat. If sources cannot buy allowances for less than $50,000/ton, then there is some relief. Welcome to the new world of PM2.5 ambient limits. DBA can substantially improve the efficiency of a limestone SO2 scrubber. In fact it can provide the equivalent of spraying an extra 20 gpm/1000 cfm of limestone slurry. So a power plant with the need to move from 92 to 95 percent SO2 removal can either add 25 percent to the pump energy input or buy an organic chemical. With greenhouse gases being of increasing concern, the increase in energy consumption is critical. DBA can minimize the efficiency reduction due to high chlorides in the recirculating scrubbing liquor. It can provide fuel and limestone purchasing flexibility. There is the potential to add to the biological oxygen demand in the wastewater but zero liquid discharge or biological treatment solves this problem. Most plants have wastewater concerns with or without DBA. DBA may improve HCl removal efficiency. Its function in dissolving the limestone should be equally effective on acid gases other than SO2. Since the Utility MACT will probably limit HCl to 3 ppm, it is likely that scrubber systems will be designed around this parameter. Invista is offering carload quantities of DBA for testing.
Revision Date: 11/17/2010
Tags: 221112 - Fossil Fuel 化石燃料, Invista (Koch), Dibasic Acid, Air Quality, Efficiency, FGD