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FIV Filtration System at General Dynamics, Saco Maine |
There are several thousand Chromium Plating operations
in the USA. The chrome plating process, and other plating operations such as
nickel and copper, experience air emissions from a variety of sources such as
acid cleaning and rinse tanks as well as the electroplating process itself.
In the past, mesh pads (100% collection efficiency for 10 microns and
higher) and wet scrubbers were popular means of reducing emissions. However,
governmental regulations are now heading toward Best Available Control
Technology (BACT) and Maximum Available Control Technology (MACT).
CECO Filters’ fiber bed mist eliminators provide 100% collection
efficiency for particles of 3 micron diameter and larger and 99.5% collection
efficiency for particles less than 3 micron in diameter, and are classified as
meeting Maximum Available Technology. Available in a wide variety of materials
of construction from stainless steels to thermoplastics to exotic alloys, and
filter media from fiberglass to plastics to Teflon, CECO’s fiber bed
filters eliminate chromic, sulfuric, and sulfamic acid mist emissions from
plating operations. Where practical, acid mists are recovered for reuse and
cleaned exhaust air is recycled for energy recovery.
An innovator in fiber bed filter technology for more than 30 years, CECO
Filters is currently participating in an EPA-sponsored study for the plating
industry.
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