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Showing 1 to 7 of 7 for “"Chromated copper arsenate"”.
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Electrolytic remediation of chromated copper arsenate wastes
While chromated copper arsenate (CCA) has proven to be exceptionally effective in protecting wood from rot and infestation, its toxic nature has led to the problem of disposal of CCA-treated lumber and remediation of waters and soils contaminated by process wastes. The active ions in water-based …
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Online sorting of wood treated with chromated copper arsenate using laser induced breakdown spectroscopy
The use of the CCA chemical as a wood treatment to protect against insect and fungal deterioration has had commercial application for the past twenty-five to thirty years. While CCA treated wood has several benefits, with perhaps the most important being the saving of an estimated 225 million trees …
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Retardance of rainwater-leached metals from CCA-treated (chromated copper arsenate) wood ash in soil
The burning of wood treated with chromated copper arsenate (CCA) preservative produces an ash that contains high concentrations of copper, chromium, and arsenic. The subsequent leaching of these metals from burn sites can produce soil and water contamination. Soils have varying natural abilities to …
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Preservative treatment evaluation of five Appalachian wood species with four preservatives
… with the four wood preservatives creosote, chromated copper arsenate (CCA), ammoniacal copper quaternary compound Type-B (ACQ-B), and a borate preservative (TmborRTM). These preservatives were chosen because the first two are the most commonly used wood preservatives in the US. The latter …
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An experimental study of the environmental impacts of CCA-treated wood waste land application
Chromated copper arsenate (CCA) has been the most commonly used wood preservative in the UK; up until its partial ban in 2004. The preservative prolongs the service life of wood by 20-50 years by making it resistant to biological attack. As such, in-service CCA treated wood is expected to be a …
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Coating Performance on Preservative Treated Wood
… wood samples and for samples treated with chromated copper arsenate (CCA), alkaline copper quat (ACQ) and copper azole (CA) over three years of natural and three months of accelerated weathering conditions. The parameters measured were water permeability, colour change, general appearance, …
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Embryo and Gamete Development Upon Exposure to CCA Components: CrO3, CuO, and AS2O5
… embryonic exposure to arsenic, chromium and copper concentrations of as little as 0.5 mg/L have a toxic effect on embryo quality represented by significant reduction in total cell numbers without reduction in the embryonic developmental stages. Increasing the concentration above 0.5 mg/L was …