DUST COLLECTION AND POLLUTION CONTROL
ETS consults with many businesses needing guidance in creating a better dust collection system. ETS conducted an engineering evaluation on Bandag, INC. Tread Grinding Dust Collection System and to identify and design a system that would improve dust pickup at the buffing stations, and at the same time reduce the potential for fires in the system baghouse.
The result was a plan by ETS outlining specifications to describe the general qualities, performance, and basic systems required in the fabrication and construction of the finishing line modification. For more on the modification and other case studies
ETS also has an independent fabric-filter laboratory for fabric, dust and new/used bag testing. For more than 25 years ETS has conducted thousands of bag analyses both for baghouse suppliers and users. Our clients have used this service for new baghouse applications, new bag quality assurance programs, and used bag troubleshooting. For clients who needed used bag troubleshooting ETS typically tested high or unstable pressure drop, excessive emissions or unacceptable bag life.
The fabric lab is the only independent facility in North America that is equipped with a test apparatus that complies with internationally recognized test standards (ASTM D6830-02 & VDI/DIN Standard 3926), based on the German method that allows the user to measure baghouse filter media performance under defined conditions with regard to the filtration velocity (G/C), particle size distribution, and cleaning requirements.
Our skilled staff, which includes some of the nations highly regarded bag house consultants, reviews the data. The client receives an assessment with various perspectives offering unique insight as to the cause of failure and potential remedies. A report is prepared for each project, including test data, analytical results, photographs, and recommendations/conclusions.
ETS has designed, built, operated and tested many air-pollution-control pilot plant projects. Some of these projects include: Filter Media Development Study for Coal-Fired Industrial Boiler (P.C.); Fluidized Bed Home Heating Furnace - Wood Chip Fired Pilot Demonstration; Coal-Fired Industrial Boiler (P.C.), Fly Ash Control; Fabric Filter and Dry Scrubber Pilot Plant - Hazardous Wastes Incinerator, Gaseous (HCl) and Particulate Control; and Fabric Filter and Cyclone Pilot Plant - Cement Kiln.
ETS engineers have developed other emission-control technologies and have patents involving electrostatic precipitator and SO2 control technologies as well as holds baghouse-related patents. Other emission control projects include technology assessment and feasibility studies, design and installation of new or retrofit control equipment, and SO2 control technology demonstrations.
ETS was retained by a large rock quarry operation to design a turnkey crushed stone transfer and air pollution control system. The project included design, specification, fabrication and installation of appropriate screw conveyors, belt conveyors, dust suppression systems and a 25,000 acfm fabric filter control system. This system allows the client to meet the federal and state air pollution standards for both point source and ambient dust.
A major chemical company used ETS services to assess the air pollution control equipment of a catalyst production process. The system was plagued with visible emissions and was a constant source of complaints from local enforcement agencies. For this client ETS defined and profiled emission chemistry, selected alternative control techniques, and made specific recommendations - including equipment specification and recommended operation. The project was a success due to ETS' ability to first define the problem and then apply basic chemical engineering principles. ETS recommended a solution to achieve the program goals.