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Electrodialytic remediation of CCA-treated wood in larger scale
2005 - IRG/WP 05-50224-20
A pilot plant for the electrodialytic remediation of CCA-treated waste wood has been developed and tested at the Technical University of Denmark. Results from two experiments with different amount of wood chips are presented here. Prior to the electrodialytic remediation the wood was soaked in oxalic acid and phosphoric acid. The main purpose of soaking is to remove the most available fraction fir...
I V Christensen, L M Ottosen, A J Pedersen


Industrial fixation of chromium based wood preservatives
1990 - IRG/WP 3630
Fixation is an abstract and non-defined process. Nevertheless it is a specified requirement in most impregnation standards. The impregnation industry is facing increased pressure to deliver fixed products and to increase the safety of the handling of impregnated products. Industrial fixation of impregnated wood can be obtained by using different methods. The purpose of the process is to transform ...
T Christensen


Electrokinetic Accelerated Ingress of Boron After Surface Treatment of Wood
2007 - IRG/WP 07-40372
In this work electrokinetic acceleration of boron penetration after surface treatment is proposed in order to offer an alternative to the often low penetration rates based on diffusion. Electrodialytic experiments showed that boric acid could be transported as negatively charged complexes with tartaric acid in aqueous solutions at pH 4-5. Boric acid could not be transported when tartaric acid was ...
I V Christensen