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Maderas. Ciencia y tecnología

versión On-line ISSN 0718-221X


IBANEZ, C et al. Preservation trial for wood treated with Zn and Mn and effectiveness of treatment with borax to prevent leaching after five years of contact with soil. Maderas, Cienc. tecnol. [online]. 2016, vol.18, n.2, pp.305-316. ISSN 0718-221X.

The effectiveness of treatments in stages aimed at reducing the leaching of a solution rich in Zn and Mn obtained from a recycling process introduced into the wood by the Bethell method and a second stage in which borax was added by brushing and by the Bethell method, was evaluated through a field test. Pinus taeda wood was used according to EN 252 (1989). This paper presents an analysis of the evaluation and evolution of the process of deterioration over 5 years test. Scheffer climate index was used as a method of microbiological risk assessment at the site of the test and microscopic analysis of wood was carried out to verify the type of damage. Treatments 3% and 6% in Zn with borax added by the Bethell method were the top performers among the evaluated none of them performed better than the reference preserver. The presence of the three types of rot, white, brown and soft both on untreated controls and treated wood, in a site with intermediate conditions for microbial deterioration was observed.

Palabras clave : Recycling; Pinus taeda; stage treatment; stakes graveyard; wood protection.

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