Improvement of Nickel-Precipitation from Aqueous Nickel Solution by Sulfuration with Sodium Sulfides
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- Fukuta Tadashi
- Sanshin MFG.CO.,LTD.
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- Ito Toshihiro
- Research Center for Advanced Waste and Emission Management, Nagoya University
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- Sawada Kayo
- Research Center for Advanced Waste and Emission Management, Nagoya University
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- Kojima Yoshihiro
- Research Center for Advanced Waste and Emission Management, Nagoya University
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- Matsuda Hitoki
- Research Center for Advanced Waste and Emission Management, Nagoya University
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- Yagishita Koichi
- Sanshin MFG.CO.,LTD.
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抄録
In order to recover nickel from waste plating solution, the precipitation of nickel by sulfuration was applied in the present study. Sodium sulfide (Na2S), sodium disulfide (Na2S2) and sodium tetrasulfide (Na2S4) were employed as sulfurating agents and were compared in terms of their ability to form Ni precipitates. From the results, it was found that the initial nickel concentration of 100 mg/dm3 was reduced to 0.594–3.37 mg-Ni/dm3 in the filtrate by addition of sulfurating agents. The average specific filtration resistance of the slurry produced by addition of a sulfurating agent was smaller than that of nickel hydroxide slurry; in particular, the lowest specific resistance of the slurry was found to be produced by addition of sodium tetrasulfide at a controlled pH 7 ± 1. The low filtration characteristic of nickel sulfide precipitates obtained by addition of sodium tetrasulfide was attributed to their particle size.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 36 (4), 493-498, 2003
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204565824768
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- NII論文ID
- 10013413066
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BD3sXkvFSgtL8%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 6514625
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可