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Your search keyword '"Lianzhen Lin"' showing total 3 results
Start Over Author "Lianzhen Lin" Journal holzforschung: international journal of the biology, chemistry, physics, & technology of wood
3 results on '"Lianzhen Lin"'

1. Liquefaction of CCA-treated wood and elimination of metals from the solvent by precipitation.

Author

Lianzhen Lin and Chung-Yun Hse

Subjects
*FOREST products, *ARSENATES, *SULFURIC acid, *FERROUS salts, *POLYETHYLENE glycol, *WOOD
Abstract

Spent chromated copper arsenate (CCA)-treated wood was liquefied in polyethylene glycol 400/glycerin (2:1w/w). Sulfuric acid (95–98%) and ferrous salts (FeSO 4 ·7H 2 O or FeCl 2 ·4H 2 O) were used as catalysts and additives, respectively. The resulting liquefied CCA-treated wood was diluted with aqueous solvents and was then mixed with complexion/precipitation agents, followed by precipitation or filtration to remove the toxic metal-bearing sediment. As a result, more than 90% of Cu, Cr or As was removed. [ABSTRACT FROM AUTHOR]

Published
2005
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