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Cascade impactor and jet plate for same

United States Patent

February 3, 2004
View the Complete Patent at the US Patent & Trademark Office
A sampling system and method for sampling particulate matter from a high-temperature, high-pressure gas stream. A cyclone sampler for use at high temperatures and pressures, and having threadless sacrificial connectors is disclosed. Also disclosed is an improved cascade impactor including jet plates with integral spacers, and alignment features provided for aligning the jet plates with their associated collection substrates. An activated bauxite alkali collector is disclosed, and includes an alumina liner. The sampling system can be operated remotely or locally, and can be permanently installed or configured as a portable system.
Dahlin; Robert S. (Birmingham, AL), Farthing; William E. (Pinson, AL), Landham, Jr.; Edward C. (Birmingham, AL)
Southern Research Institute (Birmingham, AL)
10/ 193,384
July 11, 2002
This invention was made with government support under a cooperative agreement entered into with the U.S. Department of Energy, No. DE-FC21-90MC25140. The government has certain rights in the invention.