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Adsorption
- Integrated - Reaction (AIR 2000)
KSE, Inc.
EPA 540/MR-01/503
May 2001
Technology Description: The AIR2000 technology was developed by KSE, Inc.
(KSE) of Amherst, Massachusetts. The demonstration unit was designed and
manufactured by Trojan Technologies, Inc. of London, Ontario. The AIR2000
unit treats air streams containing volatile organic compounds (VOCs).
The technology was evaluated during a U.S. Environmental Protection Agency
Superfund Innovative Technology Evaluation (SITE) Program demonstration
at the Stamina Mills Superfund site in North Smithfield, Rhode Island
from August to October 1999. The SITE program evaluated the technology’s
ability to treat air containing trichloroethene (TCE) and trace levels
of other chlorinated organic compounds. The air stream for this evaluation
was the off-gas from the existing soil and groundwater remediation system:
soil vapor extraction (SVE) and multiphase extraction with groundwater
stripping. The influent concentration to the AIR2000 unit ranged from
10 to 78 parts per million by volume (ppmv).
In the AIR2000 technology, a contaminated air stream flows into a photocatalytic
reactor where the VOCs are adsorbed onto the surface of a proprietary
catalytic adsorbent that is continuously illuminated with ultraviolet
light. The ultraviolet light destroys the adsorbed, concentrated VOCs
through enhanced photocatalytic oxidation. KSE claims that the AIR2000
process offers advantages over other photocatalytic technologies because
of the high activity, stability, and selectivity of the photocatalyst.
Analytical results compiled prior to the SITE demonstration indicate that
the photocatalyst is highly resistant to deactivation, even after thousands
of hours of operation in the field.
Back
to SITE Reports
Posted November 21, 2001
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