| 摘要 |
The present invention reduces generation of harmful substances through processing at lower cost for facilities and processing. According to the present invention, polychlorinated biphenyl and mixture of alumina oxide and silicon dioxide are mixed and emulsified in an ultrasonic emulsifier 2. The emulsified mixture is then charged into an electric resistance type melting furnace 5 and is melted at temperature of 1500 DEG C.-2000 DEG C. and is turned to glassy state.
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