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Contract Research and Development
 Since the 1970's, ETS has conducted contract research and development for Utilities, Industry and Government. This work has included bench and pilot studies on control equipment and field studies on test methodologies.
Traditional Pilot Units good for long term and full scale bag studies have included, Bag Comparisons, Filtration Performance Testing, Bag Optimization and Gas to Cloth Ratio Selection. ETS bench scale studies and in-house pilot plant programs have included, Filtration Performance Testing, Filtration Comparison, Membrane Studies and Chemical Impact. In-Plant studies have included Bag Life, Coating Comparison, Membrane Utilization and Pressure Drop Comparison. ETS' approach includes a unique custom designed "Mini Baghouse". One of the benefits of this approach is that this unit is small and can be installed quickly and economically. The Mini Baghouse can be located on existing stack test platforms utilizing existing stack ports and eliminating the need for shut downs.
Partial List of Full Scale Field Studies • Side by side utility coal fired boiler bag pressure drop and filtration studies utilizing ETS' Individual Bag Flow Monitor (IBFM). • Long-term filter bag life comparison for utility coal fired boiler applications. • Alternative membrane comparison studies for cement applications. • Full scale bag assessment for industrial coal fired boiler baghouses. • Long-term full scale IBFM performance study for steel applications. Partial List of Contract Research
Listed below are examples of contract research studies conducted by ETS. Included are studies of long-term monitoring of utility boiler baghouse operation and maintenance, as well as cost-reduction assessments; development of methods to measure emissions; and ambient air studies.
- Test Method Development - Lab
Methods development for halogen emission measurement.
- Fabric Evaluation - Lab
Filter fabric evaluations of fabrics under development (e.g., PTFE, glass blends, felted glass, pleated filters).
- Ambient Study - Field
Long-term multi-station ambient concentration study of polycyclic organic compounds.
- Filter Bag Study - Lab
Filter bag performance evaluation.
- Mercury Assessment - Paper
Mercury emission data analysis and assessment.
- Bag Performance - Lab
Long-term bag performance monitoring.
- Process Study - Lab
New industrial process - emission control study.
- Emergency Response - Field
Tire combustion emergency emission control evaluation.
- Fenceline Impact - Field
Industrial fenceline ambient concentration study.
- Truck Filter - Lab
Truck filter development study.
Partial List of Pilot Plant Programs
Below is a partial listing of pilot studies conducted by ETS. In most cases these projects included the design, fabrication, installation, start-up, and long-term operation of the pilot plant. These efforts typically included the screening of design options, test program design, determination of operational procedures, performance evaluations, and economic evaluations.
- Fabric Filter Pilot
Coal-fired industrial boiler (stoker), fly ash control.
- Fabric Filter Pilot Plant
Refuse-fired boiler.
- Fabric Filter Pilot Plant
Coal-fired industrial boiler (P.C.), fly ash control.
- Fabric Filter and Dry Scrubber Pilot Plant
Hazardous waste incinerator gaseous (HCl) and particulate control.
- Electrically Enhanced Fabric Filter Pilot Plant
Coal-fired industrial boiler (P.C.).
- Electrically Enhanced Fabric Filter Pilot Plant
Coal-fired industrial boiler (stoker).
- Fabric Filter and Dry Scrubber Pilot Plant
Coal-fired industrial boiler (stoker) gaseous (SO2) and particulate control.
- Fabric Filter Carbon and Precoat Injection Project
Iron foundry.
- Fabric Filter and Spray Tower
Arsenic control at glass furnace.
- Top Inlet Fabric Filter Pilot Plant
Coal-fired industrial boiler (P.C.), fly ash control.
- Fabric Filter Pilot Plant
Filter media development study for coal-fired industrial boiler (P.C.).
- Fluidized Bed Home Heating Furnace
Wood-chip-fired pilot demonstration.
- Fabric Filter and Cyclone Pilot Plant
Cement kiln.
- Dry Reactor
Coal-fired stoker boiler, SO2 removal.
- Limestone Emission Control Pilot Plant
Proprietary SO2 removal system. 
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