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鈦精礦熔鹽電解動(dòng)力學(xué)研究
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西安建筑科技大學(xué)冶金工程學(xué)院,重慶大學(xué)材料科學(xué)與工程學(xué)院,重慶大學(xué)材料科學(xué)與工程學(xué)院

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TF803.27

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國(guó)家重點(diǎn)基礎(chǔ)研究發(fā)展計(jì)劃(編號(hào):2007CB613801)


Kinetics of Ilmenite concentrate electrolysis process in molten salt
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Metallurgical Engineering College of Xi'an University of Architecture and Technology,School of Materials Science and Engineering, Chongqing University,School of Materials Science and Engineering, Chongqing University

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    摘要:

    目前利用熔鹽電解的方法直接使用TiO2等氧化物原料來(lái)生產(chǎn)金屬鈦或者鈦合金,是國(guó)內(nèi)外對(duì)鈦及其合金生產(chǎn)的重要研究方向,然而關(guān)于熔鹽電解動(dòng)力學(xué)的研究相對(duì)較少。本文對(duì)傳統(tǒng)的未反應(yīng)核模型進(jìn)行改進(jìn),研究了不同反應(yīng)溫度下鈦精礦熔鹽電解的動(dòng)力學(xué)過(guò)程,發(fā)現(xiàn)鈦精礦熔鹽電解過(guò)程的還原速率,受到氧離子在產(chǎn)物層中的擴(kuò)散速率控制,電解反應(yīng)中的內(nèi)擴(kuò)散為整個(gè)電解還原過(guò)程的限制性環(huán)節(jié)。提高反應(yīng)溫度,增加孔隙率有利于內(nèi)擴(kuò)散過(guò)程。

    Abstract:

    Now using titanium-bearing material to product titanium and titanium alloy based on Fusedsaltelectrolysis method has become an important research direction at home and abroad. But less research has been done on the kinetics of Fusedsaltelectrolysis process. Electrolysis kinetics for different temperature was studied using an improved model, internal diffusion was considered as the restrictive link of electrolysis process of Ilmenite concentrate in molten salt. High reaction temperature and big porosity of cathode can be used to improve the internal diffusion speed, however, at this case, side reaction will increase, which affects the electrolysis speed at the same time.

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施瑞盟,白晨光,呂學(xué)偉.鈦精礦熔鹽電解動(dòng)力學(xué)研究[J].稀有金屬材料與工程,2016,45(4):907~912.[shiruimeng, baichenguang, lvxuewei. Kinetics of Ilmenite concentrate electrolysis process in molten salt[J]. Rare Metal Materials and Engineering,2016,45(4):907~912.]
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  • 收稿日期:2014-04-10
  • 最后修改日期:2015-10-21
  • 錄用日期:2015-11-18
  • 在線發(fā)布日期: 2016-06-02
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