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1 2014

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Plasma recycling of chloroorganic wastes

100%

Jędrzejczyk T. , Kołaciński Z. , Koza D. , Raniszewski G. , Szymański Ł. , Wiak S.

tom 13

nr 1

A high temperature of thermal plasma provides more efficient decomposition of the wastes in comparison to traditional combustion. Due to the high temperature and high density of energy in the plasma, the destruction rate is high, which determines a high efficiency waste decomposition. The main products of pyrolysis plasma chloroorganic compounds are pyrolysis gas and pyrolysis coke. In order to reduce carbon soot, the steam supported reaction was used. Application of plasma at a temperature range from 1000 to 1750 K enabled destruction of the chloroorganic compounds with a very good yield. Several degradation products were received , which were analyzed. In the research electric arc plasma was used in the process of pyrolysis chloroorganic waste utilization. The reactor with a rotating arc was applied. Selected chloroorganic compounds were selected as the model: chloromethane (CH3Cl), carbon tetrachloride (CCl4), chlorobenzene (C6H5Cl) and dichlorobiphenyl (PCB-C12H8Cl2). Based on the amount of the individual components, chloroorganic in the exhaust gases, and the amount introduced to the plasma decomposition, percentage yield was calculated. Research results indicated that decomposition efficiency was more than 99,8% with the exception of CCl4 pyrolysis, which in the exhaust had a content of 0.2% CCl4.