書誌事項
- タイトル別名
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- Solvent Extraction of Gold from Ammonium Thiosulfate Solution by Trioctylmethylammonium Chloride (2nd report)-Extraction Effects and Conditions of Ammonium Thiosulfate Solution-
- 塩化トリオクチルメチルアンモニウムを用いたチオ硫酸アンモニウム水溶液からの金の溶媒抽出(第2報)チオ硫酸アンモニウム浸出液の条件と抽出効果
- エンカ トリオクチルメチルアンモニウム オ モチイタ チオ リュウサン アンモニウム スイヨウエキ カラ ノ キン ノ ヨウバイ チュウシュツ ダイ2ホウ チオ リュウサン アンモニウム シンシュツエキ ノ ジョウケン ト チュウシュツ コウカ
- - Extraction Effects and Conditions of Ammonium Thiosulfate Solution -
- －チオ硫酸アンモニウム浸出液の条件と抽出効果－
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説明
Leaching process by ammonium thiosulfate and solvent extraction by trioctylmethylammonium chloride (TOMAC, (C8H17)3CH3NCl) to recover gold from ores and waste was developed in our laboratory. In this report, the effects of gold, pH, ammonia, thiosulfate and cupric (Cu2+) ion concentration of ammonium thiosulfate solution, organic and water phase ratio were investigated to obtain a high recovery of gold with TOMAC. Under the constant condition of TOMAC (0.18mol/l, n-octane diluent + 10vol% 1-hexanol (in organic phase)) as discussed in the 1st report which is related with this work, it was found that extraction efficiency increased with the thiosulfate ion to form a (TOMAC)3-Au(S2O3)23- ion at the condition of 0.01 to 0.03mol/l Cu2+ ion and 1.0 to 3.0mol/l NH3/NH4+. From the experimental results, it is indicated that this process can recover gold effectively and directly from ammonium thiosulfate solution by TOMAC. In addition, the advantage of this process is that the extraction can be conducted without pH and other adjustment.
収録刊行物
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- 資源と素材
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資源と素材 121 (2/3), 65-69, 2005
一般社団法人 資源・素材学会
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詳細情報 詳細情報について
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- CRID
- 1390001206049398912
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- NII論文ID
- 10015596414
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- NII書誌ID
- AN10062646
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- ISSN
- 18806244
- 09161740
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- NDL書誌ID
- 7294763
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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
- Crossref
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- 抄録ライセンスフラグ
- 使用不可