Importance

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Abstract

[OBJECT] To efficiently and assuredly making an object to be treated containing an agricultural chemical innoxious. [MEANS FOR SOLVING] The first pipe which alkali can be filled thereto is disposed to be capable of being inserted and pulled out to a first passage of the first processing chamber where agricultural chemicals are thermally decomposed. Accordingly, since a distance between the processing chamber and the alkali can be minimized, a zone where the thermally decomposed components of the agricultural chemicals are recomposed into agricultural chemicals or dioxins is almost eliminated. As a result, the contamination owing to the re-composition thereof can be prevented. In addition, since the first pipe can be readily exchanged, the throughput can be improved. Furthermore, since when the first pipe is pulled out of the first passage of the processing chamber a first shielding member can shield the first passage, the vacuum in the processing chamber can be maintained and also in this point the throughput can be prevented from deteriorating.

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First Claim