吡啶-TPD 和XRD 表征结果证明，硫化温度和硫化还原工序，会改变催化剂表面酸性和硫化态活性物种在催化剂表面的聚集状态。
Pyridine-TPD and XRD results indicated that sulfiding temperature, sulfiding and reducing processes affected acidity and agglomerate state of activity species.
第一种方法是利用氧化还原反应，采用分离、萃取、升华等工序回收废碘液中碘的工艺。
In the first method we make use of oxidation-reduction to adopt iodine reclaiming process of separation, extraction and sublimation from waste iodine liquid.
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