書誌事項
- タイトル別名
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- Effect of Grinding on Sulfuric Acid Leaching Efficiency of Nickel and Aluminum from Oxidative Roasted Alkaline Leaching Residue of Spent Hydrodesulphurization Catalysts
- ダツリュウハイショクバイ アルカリ シンシュツザンササンカ バイショウ サンブツ カラ ノ ニッケル オヨビ アルミニウム ノ リュウサン シンシュツセイ ニ アタエル フンサイ コウカ
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説明
<p>Spent hydrodesulphurization (HDS) catalysts are treated with hydrometallurgical leaching processes such as caustic leaching and acid leaching with roasting as a pre-treatment step. In the alkaline leaching processes such as sodium carbonate roasting followed by water leaching, most of the molybdenum and vanadium are selectively leached and most of nickel is left in the residue after the alkaline leaching of spent HDS catalysts. Therefore, it is important to recover nickel from the alkaline leaching residue. The main form of nickel in the alkaline leaching residue is spinel, therefore, it is difficult to extract nickel from the residue using mineral acids.</p><p>In the present study, the effect of grinding conditions on the leaching efficiency of nickel and aluminum from the oxidative roasted alkaline leaching residue was investigated. The dry and wet grinding, grinding speed, grinding time and the amount of roasted product in grinding significantly affected the leaching efficiency of nickel and aluminum. The leaching efficiency of nickel and aluminum from dry ground roasted product was high compared with wet ground roasted product. And also, the leaching efficiency of nickel and aluminum was low in the low amount of the roasted product fed in dry grinding and high grinding speed, because the particles were aggregated again.</p>
収録刊行物
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- 環境資源工学
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環境資源工学 64 (4), 85-89, 2017
一般社団法人 環境資源工学会
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詳細情報 詳細情報について
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- CRID
- 1390001288035787904
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- NII論文ID
- 130007378253
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- NII書誌ID
- AA11907992
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- ISSN
- 13499262
- 13486012
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- NDL書誌ID
- 028919125
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
