| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for dechlorinating an aromatic chlorinated compound, which method is convenient, lowly dangerous, and economical and completes the reaction even under mild conditions. Ž<P>SOLUTION: In a 100 mL eggplant-shaped flask, Aroclor 1254 (5.00 g, 15.32 mmol) and triethylamine (9.23 g=12.70 mL, 91.21 mmol) are dissolved in methanol (50 mL), and then 10% Pd/C (0.15 g, 3 wt.%) is added. While agitating the resultant solution, the reaction container is deaerated by an aspirator and loaded with a catalytic reductor filled with hydrogen. In a chart (B) of GC-Mass of the solution after continuous agitation at room temperature or lower for 6 h, nothing other than the peak of biphenyl in the vicinity of 4.8 min is found. Namely, it is clear that the concentration of Arolor 1254 is decreased by the reaction to ≤0.5 ppm that is the detection limit of GC-Mass. (A) is a chart of Arolor 1254 before the reaction. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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