鈷鈦層柱粘土催化劑催脫除零價汞
更新時間：2014-07-17 10:27
來源：環(huán)境工程學報
作者:
閱讀：1733
| 中文摘要: |
| 采用鈷-鈦層柱粘土催化劑，向煙氣中添加HCl氣體進行零價汞的催化脫除實驗研究。考察了反應溫度及催化劑的焙燒溫度、Ti/粘土、活性組分（Co）負載量等制備條件對零價汞催化脫除效果的影響。研究表明，在HCl含量20×10-6的模擬煙氣中，焙燒溫度為400℃、Ti/粘土為15 mmol/g、Co含量為5 wt%（以CoO計）的鈷鈦層柱粘土催化劑（Co-Ti-PILCs）在空速為1.0×104 h-1、溫度為300℃時零價汞脫除效率為86.7%。 |
| 英文摘要: |
| An experimental study for the elemental mercury removal by Co-Ti-pillared clays catalysts was conducted in flue gas with the addition of HCl. Reaction temperature, preparing condition including calcination temperature, Ti/clay ratio and metal (Co) loading were investigated for the elemental mercury removal rate of catalysts. The result showed that a mecury removal rate of 86.7% was achieved using the Co-Ti-pillared clays catalysts with Ti/clay ratio of 15 mmol/g, metal loading of 5%(CoO), calcined at 400℃ under the space velocity of 1.0×104 h-1 and reaction temperature of 300℃. |
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