Chemistry of hydrocarbon compounds – Compound or reaction product mixture
Reexamination Certificate
2008-04-29
2008-04-29
Caldarola, Glenn (Department: 1797)
Chemistry of hydrocarbon compounds
Compound or reaction product mixture
C585S242000, C427S378000, C204S157150
Reexamination Certificate
active
10289731
ABSTRACT:
An environmentally-friendly method is disclosed for transforming preserved wood, for example creosote-treated or CCA-treated wood with supercritical water. The product of treating weathered creosote-treated wood is a mixture that is similar to fresh creosote. The novel system is akin to a closed-loop system for recovering and rejuvenating creosote. In another aspect of the invention, acidic supercritical water is used to extract copper, chromium, and arsenic from CCA-treated wood, or more generally, to extract metals from an organic matrix.
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Board of Supervisors of Louisiana State University and Agricultu
Caldarola Glenn
Davis Bonnie J.
Runnels John H.
Singh Prem C.
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