The chemical nature of pollutants as a basis for the classification of wood products to be utilization

S.V. Gayda; G.V. Somar; I.A. Sokolovskyy

doi:10.36930/42214802

Authors

S.V. Gayda
G.V. Somar
I.A. Sokolovskyy

DOI:

https://doi.org/10.36930/42214802

Keywords:

post-consumer wood, antiafterglows, antiseptics, insecticides, fungicides, matters of defence, arboreal wastes, degree of contamination, systematization of post-consumer wood, concentration of harmful components.

Abstract

The chemical composition of used wood - wood products to be disposed of - from the processing of raw materials and materials at various stages to the removal of finished products (consumer waste) from various economic facilities was analyzed. The composition and material of both natural and chemical pollutants used as wood preservatives are characterized and described. In detail research composition and material of pollutants of post-consumer wood, in particular on the basis of matters of defence of wood: antiafterglows, antiseptics, insecticides, fungicides, biogicides, fixing agent, complex preparations but other. Classification of including of post-consumer wood which includes mechanical and chemical contaminations is developed. The most dangerous matters, carcinogenic connections and toxic components which can be contained in post-consumer wood, are described, in particular, pentachlorphenol, lindan, permethrin, dichlordiphenyl-threechloretan (DDT), polychlorinated biphenyls (PCB), polichlorinated terphenyls (PCT), polibrominated biphenyls (PBB), polyvinilcloruro (PVC), butters on the basis of factions of coal resin (benzo(a)pyren) and connections which contain benzo(a)pyren but other, superficially active hydrocarbons (SAH). To propose the classification of used wood - wood products to be disposed of according to the degree of pollution, with a division into four groups of used wood, which are harmonized with international systems of classification of similar waste. The list of the most widespread arboreal wastes is systematized – post-consumer wood after groups, kinds, subspecieses, categories and kodas. Generalized list of dangerous components of wastes – components – chemical elements (arsenic, boron, cadmium, copper, mercury, lead, titanium, fluorine, chlorine, chromium, zinc but other) and their connections. Limitation for wood chips and shavings from common wood, which are used for the production of arboreal flags, is resulted. The criteria of classification of post-consumer wood (possible concentrations of harmful components) are offered for the different types of incineration.

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