Abstract
The paper presents the results of research on the disposal of large-tonnage composite polymer waste - wood-particle boards by the method of catalytic low-temperature pyrolysis for preparation of carbon materials. Salts and nickel were used as catalysts. The influence of temperature, mass ratio “waste: metal ions” on the yield and properties of carbonizate was investigated. It was found that when pyrolysis is carried out at a temperature of 600 °C for 30 min in the presence of catalysts, carbon materials are formed with a developed porous structure and high sorption activity with respect to the methylene blue dye and iodine. It is shown that the metals catalyzing pyrolysis are incorporated into the processes of the forming sorbent. The studies carried out on the treatment of biologically active river water showed a high bactericidal ability of the obtained samples of sorbents. The developed method of catalytic pyrolysis of waste made it possible to obtain bactericidal carbon sorbents that can be used for deep additional purification and disinfection of biologically treated wastewater.
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