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Use of Hydrophobic HEPA Filters May Double Time Between Aero-engine Overhauls
Alliance Pipeline conducted a four-year evaluation of Gore HEPA filters on LM2500 aerodynamic gas turbines serving two pumping stations in Canada. The short term benefits include virtually no degradation in compressor efficiency and shaft power over the run period and a better heat rate.
Revision Date: 7/20/2015
Tags: 221112 - Fossil Fuel 化石燃料, W. L. Gore, Alliance Pipeline, HEPA Filter, Air Filtration, Combined Cycle Journal, Canada
HEPA Filter Advantages Cited in Turbomachinery Article
James Ross of AAF says HEPA filter systems are lasting 80,000 hours. He recommends single stage reverse jet filters for pre filters. Mitsubishi has used HEPA filters for many years and they are widle used on Japanese gas turbines. Steve Medvetz of Gore says the High efficiency filter can eliminate water washing.
Revision Date: 4/2/2014
Tags: 221112 - Fossil Fuel 化石燃料, AAF International, W. L. Gore, Air Filter, HEPA Filter, Air Filtration, Air Intake, Turbomachinery International
EMW recommends HEPA filters for air intakes to reduce compressor cleaning
A new trend is emerging in the sector of gas turbine inlet air filtration. Frequently, highest-efficiency (H)EPA filters are selected as the solution of choice for optimum protection of gas turbines. A leader in (H)EPA technologies for many years, EMW offers comprehensive product solutions to keep your gas turbine plant at the cutting edge.
Revision Date: 4/2/2014
Tags: 221112 - Fossil Fuel 化石燃料, EMW Filtertechnik, Air Filter, HEPA Filter, Air Filtration, Air Intake
Bulletin by Camfil outlines the definition of a HEPA filter. In order to meet industry practices and standards, every HEPA filter must be tested after all components are assembled. Camfil also tests the media upon factory arrival for conformance to specifications.
Revision Date: 3/26/2014
Tags: Camfil Farr, HEPA Filter, Performance, Testing
HEPA Air Filtration Technology Keeps Compressor Blades Clean
Combustion turbine operators generally experience turbine fouling from airborne particles passing through existing inlet air filters. Fouling can be caused by the particle capture limitations of conventional F-class (EN779:1998) or MERV-class (ASHRAE 52.2) filters. The consequence is reduced performance of the turbine operation.
Revision Date: 3/20/2014
Tags: 221112 - Fossil Fuel 化石燃料, W. L. Gore, Filter Media, Air Filter, HEPA Filter, Air Intake, Air Filtration, Diesel & Gas Turbine Worldwide
HEPA an Alternative to Compressor Washing
About 10 manufacturers are actively pursuing GT owner/operators for their replacement filter business. But only W L Gore & Associates Inc, Elkton, Md, seems focused on HEPA filters at present. Perhaps the others believe the cost hurdle is too difficult to overcome: Turbine air filters often are considered a commodity with price the deciding factor in the selection process. Gore says its filter media offers a significantly lower pressure drop and longer effective lifetime than competitors’ products.
Revision Date: 11/4/2013
Tags: 221112 - Fossil Fuel 化石燃料, E.ON, W. L. Gore, Air Filter, HEPA Filter, Maintenance, Air Filtration, Air Intake, Combined Cycle Journal
This paper discusses the use of HEPA filtration technologies to reduce fouling of compressor blades and consequential power loss. The compressor of a gas turbine consumes a significant amount of energy during operation; consequently, the efficiency of the compressor is very important to maintain optimum performance and has a huge impact on the machine thermal efficiency, power output and its long term component health.
Revision Date: 10/23/2013
Tags: 221112 - Fossil Fuel 化石燃料, European Turbine Network A.I.S.B.L., Compressor, HEPA Filter, Efficiency, Air Filtration
Vokes recommends combining coalescer and pre filter
In locations with high levels of atmospheric moisture (such as Northern Europe, equatorial or coastal sites), a coalescer protects against water and is typically followed by coarse and fine dust filter stages. This coalescer stage usually consists of a bank of G3 or G4 glass fibre pads treated with a water resistant coating. Such elements retain moisture well, but can quickly become clogged at higher air flows and as they become dirty, choking the air flow and raising differential pressure. Now, thanks to developments in media technology, a handful of products are available that offer an alternative approach by combining the water coalescer and pre-filter stages into one-unit.
Revision Date: 10/18/2013
Tags: 221112 - Fossil Fuel 化石燃料, McIlvaine, SPX, Vokes, HEPA Filter, Air Filter, Coalescer, Air Intake, Air Filtration, Filtration & Separation
Complete air inlet treatment for combustion turbines.
Revision Date: 3/14/2013
Tags: 221112 - Fossil Fuel 化石燃料, Nederman, Air Filter, HEPA Filter, Air Intake, Air Filtration
A new HEPA solution for gas turbine inlet air filtration.
Revision Date: 3/14/2013
Tags: 221112 - Fossil Fuel 化石燃料, W. L. Gore, HEPA Filter, Air Filter, Air Intake, Air Filtration
A Merv 16 rated filter can substantially reduce turbine offline water wash frequency.
Revision Date: 3/14/2013
Tags: 221112 - Fossil Fuel 化石燃料, TDC Filter, HEPA Filter, Air Filter, Air Filtration, Air Intake
Inlet Pretreatment for Gas Turbines Webinar - Hot Topic Hour March 14, 2013
Gas turbine performance and maintenance are greatly affected by the cleanliness and physical properties of the incoming air.
Revision Date: 3/14/2013
Tags: 221112 - Fossil Fuel 化石燃料, W. L. Gore, Nederman, TDC Filter, Kiewit Power Engineers, Chiller, HEPA Filter, Air Filter, Cooling, Air Filtration, Air Intake
Technology Review of Modern Gas Turbine Inlet Filtration Systems
A review of the considerations for selecting an inlet filtration system by covering (1) the characteristics of filters and filter systems, (2) a review of the many types of filters, (3) a detailed look at the different environments where the gas turbine can operate, (4) a process for evaluating the site where the gas turbine will be or is installed, and (5) a method to compare various filter system options with life cycle cost analysis.
Revision Date: 11/29/2012
Tags: 221112 - Fossil Fuel 化石燃料, Air Filter, HEPA Filter, Air Inlet House, Cost, Life Cycle Cost, Air Filtration, Air Intake, International Journal of Rotating Machinery
Air Inlet System: Make it Right!
This article describes the proper filters and cooling equipment for gas turbine air inlet systems.
Revision Date: 11/29/2012
Tags: 221112 - Fossil Fuel 化石燃料, HEPA Filter, Chiller, Evaporative Cooler, Fogging System, Air Inlet House, Air Filter, Air Filtration, Air Intake, Combined Cycle Journal