palladium charcoal

例句：

1. 1.The palladium charcoal is used as a catalyst in the chemical industry.
   钯炭在化学工业中用作催化剂。
2. 2. The palladium charcoal was found to be highly efficient in removing pollutants from water.
   钯炭被发现在从水中去除污染物方面非常高效。
3. 3. The palladium charcoal is used in the production of high-quality steel.
   钯炭用于生产高质量钢材。