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Copper monoethanolamine adsorption in wood and its relation with cation exchange capacity (CEC)
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Myung Jae Lee
Published/Copyright:
June 30, 2010
Abstract
To investigate the chemical adsorption capacity of copper-monoethanolamine (Cu-Mea) components on wood, the Na+ cation exchange capacity (CEC) of red pine (Pinus resinosa Ait.) was determined and compared with the adsorption capacity of free Mea, Cu2+ and Cu-Mea complexes. Red pine showed higher CEC as pH increased. Free Mea adsorption as a function of pH followed the Na adsorption curve except at pH over 9, when it exceeded the CEC. Below pH 5, where Cu-Mea complexes do not form, divalent Cu2+ was adsorbed as if it were monovalent. Cu-Mea adsorbed up to the CEC at pH 9.0–9.5 apparently as [CuMea]+, whereas the complex in solution is predominantly of the form [Cu(Mea)2]+. FTIR analysis showed that the same sites of wood are related to Mea, Na, and Cu adsorption.
Keywords: cation exchange capacity (CEC); chemisorption; copper amine; ethanolamine; Fourier transform infrared (FTIR)
Received: 2010-1-29
Accepted: 2010-5-6
Published Online: 2010-06-30
Published Online: 2010-06-30
Published in Print: 2010-08-01
©2010 by Walter de Gruyter Berlin New York
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Keywords for this article
cation exchange capacity (CEC);
chemisorption;
copper amine;
ethanolamine;
Fourier transform infrared (FTIR)
Articles in the same Issue
- Original papers
- Side reactions of 4-acetamido-TEMPO as the catalyst in cellulose oxidation systems
- Reactions of aldehydes with chlorous acid and chlorite in chlorine dioxide bleaching
- Using cationic polyvinyl alcohol (C-PVA) to improve the strength of wood-free papers containing high-yield pulp (HYP)
- A new phenolic glucoside and flavonoids from the bark of Eucommia ulmoides Oliv.
- Decomposition of a phenolic lignin model compound over organic N-bases in an ionic liquid
- Investigation on wax-impregnated wood. Part 1: Microscopic observations and 2D X-ray imaging of distinct wax types
- Investigation on wax-impregnated wood. Part 2: Study of void spaces filled with air by He pycnometry, Hg intrusion porosimetry, and 3D X-ray imaging
- Surface properties of eucalyptus pulp fibres as reinforcement of cement-based composites
- Cure kinetics of PF/PVAc hybrid adhesive for manufacturing profiled wood-strand composites
- Moisture induced stresses perpendicular to the grain in glulam: Review and evaluation of the relative importance of models and parameters
- Three-dimensional modeling of the structure formation and consolidation of wood composites
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- Pore space analysis of beech wood: The vessel network
- Quantification of fungal colonization in modified wood: Quantitative real-time PCR as a tool for studies on Trametes versicolor
- Copper monoethanolamine adsorption in wood and its relation with cation exchange capacity (CEC)
- Effect of amine ligand, copper/amine ratio, and pH on copper adsorption into wood
- Effect of different soils and pH amendments on brown-rot decay activity in a soil block test
- A proposed accelerated field stake test for rapid assessment of wood preservative systems
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