アークプラズマによるフロンの分解特性 : (フロン12の分解基礎特性)

概要

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We have experimentally evaluated applying the DC arc plasma reactor apparatus to decompose the chlorofluorocarbons(CFCs). The CFC 12 is mixed with Ar gas as a plasma operating fluid and CFC 12 is destroyed in plasma high-temperature atmosphere. In our study, the effects of plasma input power, CFC 12 concentration, plasma temperature and CFC 12 injection method to plasma on CFC 12 decomposition rate have been put into consideration. We found that (i) the maximum decomposition rate of 87% is obtained by (Ar+CFC 12) mixing plasma method, (ii) the decomposition rate of 97% is obtained by using CFC12 direct injection method to plasma jet, and (iii) the decomposition rate is improved by using the reaction pipe installed at the wake of plasma jet. Also discussed is the harmless treatment of by-products in the decomposed gas, as well as the nomination of harmful products associated with practical application.
一般社団法人日本機械学会の論文
2000-06-25