<th id="5nh9l"></th><strike id="5nh9l"></strike><th id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"></th><strike id="5nh9l"></strike>
<progress id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"><noframes id="5nh9l">
<th id="5nh9l"></th> <strike id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"></span>
<progress id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"></span><strike id="5nh9l"><noframes id="5nh9l"><strike id="5nh9l"></strike>
<span id="5nh9l"><noframes id="5nh9l">
<span id="5nh9l"><noframes id="5nh9l">
<span id="5nh9l"></span><span id="5nh9l"><video id="5nh9l"></video></span>
<th id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"></th>
<progress id="5nh9l"><noframes id="5nh9l">
  • 《工程索引》(EI)刊源期刊
  • 中文核心期刊
  • 中國科技論文統計源期刊
  • 中國科學引文數據庫來源期刊

留言板

尊敬的讀者、作者、審稿人, 關于本刊的投稿、審稿、編輯和出版的任何問題, 您可以本頁添加留言。我們將盡快給您答復。謝謝您的支持!

姓名
郵箱
手機號碼
標題
留言內容
驗證碼

硫化銻精礦還原固硫焙燒直接產出金屬銻研究

歐陽臻 陳藝鋒 胡宇杰 唐朝波 陳永明 葉龍剛

歐陽臻, 陳藝鋒, 胡宇杰, 唐朝波, 陳永明, 葉龍剛. 硫化銻精礦還原固硫焙燒直接產出金屬銻研究[J]. 工程科學學報, 2018, 40(11): 1325-1331. doi: 10.13374/j.issn2095-9389.2018.11.006
引用本文: 歐陽臻, 陳藝鋒, 胡宇杰, 唐朝波, 陳永明, 葉龍剛. 硫化銻精礦還原固硫焙燒直接產出金屬銻研究[J]. 工程科學學報, 2018, 40(11): 1325-1331. doi: 10.13374/j.issn2095-9389.2018.11.006
OUYANG Zhen, CHEN Yi-feng, HU Yu-jie, TANG Chao-bo, CHEN Yong-ming, YE Long-gang. Direct production of antimony by reduction and sulfur-fixing roasting from stibinite concentrate[J]. Chinese Journal of Engineering, 2018, 40(11): 1325-1331. doi: 10.13374/j.issn2095-9389.2018.11.006
Citation: OUYANG Zhen, CHEN Yi-feng, HU Yu-jie, TANG Chao-bo, CHEN Yong-ming, YE Long-gang. Direct production of antimony by reduction and sulfur-fixing roasting from stibinite concentrate[J]. Chinese Journal of Engineering, 2018, 40(11): 1325-1331. doi: 10.13374/j.issn2095-9389.2018.11.006

硫化銻精礦還原固硫焙燒直接產出金屬銻研究

doi: 10.13374/j.issn2095-9389.2018.11.006
詳細信息
  • 中圖分類號: TF8

Direct production of antimony by reduction and sulfur-fixing roasting from stibinite concentrate

  • 摘要: 針對現行鼓風爐揮發(熔煉)-反射爐還原煉銻工藝存在的流程長、能耗高、低濃度SO2煙氣污染等問題,提出了一種基于選冶聯合過程的銻提取新工藝——硫化銻精礦還原固硫焙燒直產金屬銻.分別以ZnO和碳粉作為固硫劑和還原劑實現對硫化銻礦的固硫還原轉化,直接產出金屬銻,同時生成硫化鋅,再分別分離得到金屬銻粉和硫化鋅精礦.本文采用控制變量法,分別考察了焙燒溫度、碳粉粒度、ZnO配入量、焙燒時間對銻生成率和ZnO固硫率的影響.得到最佳條件如下:焙燒溫度800℃、碳粉粒度100~150目、ZnO量為固硫所需理論量、焙燒時間2 h,在此條件下,銻生成率為90.4%,ZnO固硫率為94.8%,其中溫度和ZnO加入量對焙燒效果有較大影響;同時對反應產物的分析和過程熱力學計算表明焙燒過程分兩步進行,即首先發生Sb2S3與ZnO的交互固硫反應生成Sb2O3,其后在高于700℃溫度下Sb2O3被大量還原成金屬銻.在不同品位的銻精礦綜合實驗中,均獲得了90%左右的銻生成率和88%的固硫率,驗證了工藝的可行性.新工藝低溫低碳、清潔環保,易于開展工業化生產.

     

  • [7] Meng Y S, Hua Y X, Zhu F L. Effect of ZnS content on Pb-Sb separation of PbS-Sb2S3-ZnS ternary system under water vapor atmosphere. Trans Indian Inst Met, 2015, 68(1):37
    [9] Liu W, Luo H L, Qing W Q, et al. Investigation into oxygen-enriched bottom-blown stibnite and direct reduction. Metall Mater Trans B, 2014, 45(4):1281
    [11] Awe S A, Sundkvist J E, Bolin N J, et al. Process flowsheet development for recovering antimony from Sb-bearing copper concentrates.Miner Eng, 2013, 49:45
    [14] Yang J G, Wu Y T. A hydrometallurgical process for the separation and recovery of antimony.Hydrometallurgy, 2014, 143:68
    [16] Zhang Y J, Yang X W, Deng L H, et al. Leaching mechanism of sulfide ores in slurry electrolysis.Trans Nonferrous Met Soc China, 2000, 10(1):105
  • 加載中
計量
  • 文章訪問數:  771
  • HTML全文瀏覽量:  318
  • PDF下載量:  16
  • 被引次數: 0
出版歷程
  • 收稿日期:  2017-11-28

目錄

    /

    返回文章
    返回
    <th id="5nh9l"></th><strike id="5nh9l"></strike><th id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"></th><strike id="5nh9l"></strike>
    <progress id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"><noframes id="5nh9l">
    <th id="5nh9l"></th> <strike id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"></span>
    <progress id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"><noframes id="5nh9l"><span id="5nh9l"></span><strike id="5nh9l"><noframes id="5nh9l"><strike id="5nh9l"></strike>
    <span id="5nh9l"><noframes id="5nh9l">
    <span id="5nh9l"><noframes id="5nh9l">
    <span id="5nh9l"></span><span id="5nh9l"><video id="5nh9l"></video></span>
    <th id="5nh9l"><noframes id="5nh9l"><th id="5nh9l"></th>
    <progress id="5nh9l"><noframes id="5nh9l">
    259luxu-164