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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2008.12.015
|2 doi
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|a pubmed24n0619.xml
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|a (NLM)19136247
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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1 |
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|a Sierra-Alvarez, Reyes
|e verfasserin
|4 aut
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| 245 |
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|a Removal of copper, chromium and arsenic from preservative-treated wood by chemical extraction-fungal bioleaching
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 16.07.2009
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|a Date Revised 21.11.2013
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Large volumes of preservative-treated wood containing toxic Cr, Cu and As salts are decommissioned worldwide. This study investigated the effectiveness of solid-state fermentation with copper-tolerant brown-rot fungi for the remediation of wood treated with chromated copper arsenate (CCA) and acid copper chromate (ACC) formulations. Treatment of CCA- and ACC-wood with the most effective strain, Antrodia vaillantii FRLP-14G, attained extensive leaching of As and/or Cr, but Cu elimination was poor (<18%). Additional research showed that a variety of organic acids, including citrate, are effective Cu extractants. Based on these findings, a process combining chemical extraction and subsequent fungal treatment was developed that proved highly effective in removing inorganic pollutants from CCA-wood. Extraction of CCA-wood with citric acid (30 mM, pH 3.10) followed by a 28-day solid-state fermentation period removed 87% Cu, 80% Cr, and 100% As. These results indicate the potential of the two-stage process for the remediation of preservative-treated wood
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arsenates
|2 NLM
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|a Chromium Compounds
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|a Chromium
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|a 0R0008Q3JB
|2 NLM
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|a chromated copper arsenate
|2 NLM
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|2 NLM
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|a Copper
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|2 NLM
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|a chromium trioxide
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|2 NLM
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|a Arsenic
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| 650 |
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|a N712M78A8G
|2 NLM
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| 650 |
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|a cupric oxide
|2 NLM
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| 650 |
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|a V1XJQ704R4
|2 NLM
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 29(2009), 6 vom: 28. Juni, Seite 1885-91
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|x 1879-2456
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| 773 |
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|g volume:29
|g year:2009
|g number:6
|g day:28
|g month:06
|g pages:1885-91
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