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Y型微通道反應(yīng)器強化反萃取有機相中稀土鉺的研究
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1.中國科學(xué)院青島生物能源與過程研究所 中國科學(xué)院生物基材料重點實驗室;2.青島理工大學(xué) 環(huán)境與市政工程學(xué)院;3.北京科技大學(xué)

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國家自然科學(xué)基金資助項目(51574213；21606248)；山東省重點研發(fā)計劃（2018GSF117028）


Study on enhancing striping loaded Erbium in organic phaseby Y-type microchannel reactor
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the National Natural Science Foundation of China (Nos. 51074150，21606248 ), the Key Research and Development Program of Shandong Province (2018GSF117028)，The undergraduate innovation and entrepreneurship training program of Shandong Province(S201910429015)

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    摘要:

    本文采用微通道反萃取模型裝置，以P507-煤油體系中鉺離子為研究對象，系統(tǒng)考察了微通道反應(yīng)器尺寸、鹽酸濃度、進(jìn)料流速和有機相中鉺離子預(yù)負(fù)載量等因素對反萃取過程的影響。結(jié)果表明，當(dāng)微通道直徑為0.6mm，長度為200cm, 停留時間為8.48s時，有機相中稀土Er3+的反萃率可達(dá)88.41%；鹽酸濃度為6mol/L時反萃取率最高。與傳統(tǒng)萃取方式相比，微通道反萃取具有較高的反萃取效率，總傳質(zhì)系數(shù)為傳統(tǒng)萃取方式的8-10倍。

    Abstract:

    In this work, a novel method for stripping Erbium from the pre-loaded P507-kerosene organic solution by a Y-type microchannel reactor was investigated. The effects from the microchannel size (length and diameter), the concentration of HCI, the flow rate and the concentration of loaded Erbium in organic phase on the Erbium stripping performance were focused on. The results showed that when the diameter of the microchannel and its length were 0.6 mm and 200 cm respectively, and the residence time of the organic phase in the microchannel reactor was 33.91s, and the concentration of HCI was 6 mol/L, the percent stripping of Erbium from the pre-loaded organic phase could reach 88.41%. Compared to the traditional mixer-settler extractor, the microchannel reactor exhibits a higher striping percentage under the same conditions, and the total mass transfer coefficient is 2 to 3 times than that of the traditional extraction methods.

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趙振敏,劉杰,劉文乾,夏文香,李金成,黃焜. Y型微通道反應(yīng)器強化反萃取有機相中稀土鉺的研究[J].稀有金屬材料與工程,2020,49(8):2869~2874.[zhoazhenmin, liujie, liuwenqian, xiawenxiang, linjincheng, huangkun. Study on enhancing striping loaded Erbium in organic phaseby Y-type microchannel reactor[J]. Rare Metal Materials and Engineering,2020,49(8):2869~2874.]
DOI：10.12442/j. issn.1002-185X.20191107

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  • 收稿日期:2019-12-30
  • 最后修改日期:2020-03-03
  • 錄用日期:2020-03-05
  • 在線發(fā)布日期: 2020-09-27
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