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氨化酒糟吸附剂去除电镀废水中六价铬研究

党伟 王莉莉 张婷婷

党伟, 王莉莉, 张婷婷. 氨化酒糟吸附剂去除电镀废水中六价铬研究[J]. 环境工程技术学报, 2020, 10(1): 79-84. doi: 10.12153/j.issn.1674-991X.20190083
引用本文: 党伟, 王莉莉, 张婷婷. 氨化酒糟吸附剂去除电镀废水中六价铬研究[J]. 环境工程技术学报, 2020, 10(1): 79-84. doi: 10.12153/j.issn.1674-991X.20190083
DANG Wei, WANG Lili, ZHANG Tingting. Removal of hexavalent chromium from electroplating wastewater by ammoniated distilled grain-based adsorbent[J]. Journal of Environmental Engineering Technology, 2020, 10(1): 79-84. doi: 10.12153/j.issn.1674-991X.20190083
Citation: DANG Wei, WANG Lili, ZHANG Tingting. Removal of hexavalent chromium from electroplating wastewater by ammoniated distilled grain-based adsorbent[J]. Journal of Environmental Engineering Technology, 2020, 10(1): 79-84. doi: 10.12153/j.issn.1674-991X.20190083

氨化酒糟吸附剂去除电镀废水中六价铬研究

doi: 10.12153/j.issn.1674-991X.20190083
详细信息
    作者简介:

    党伟(1962—),男,高级工程师,硕士,主要研究方向为废水处理技术, dangweioil@126.com

  • 中图分类号: X797

Removal of hexavalent chromium from electroplating wastewater by ammoniated distilled grain-based adsorbent

  • 摘要: 以酿酒过程中产生的酒糟为原料,制备得到氨化酒糟吸附剂,用于去除电镀废水中的六价铬〔Cr(Ⅵ)〕,利用FTIR、EDS、BET和SEM等对吸附剂组成和结构进行分析和表征,在不同的pH及吸附剂投加量条件下研究其对Cr(Ⅵ)吸附性能的影响。结果表明:氨化酒糟吸附剂表面引入了大量的氨基,氮元素占比达到4.40%,其比表面积增至25.67 m 2/g;当平衡pH为2.7时,Cr(Ⅵ)的饱和吸附量达到150.45 mg/g,平均吸附速率达到1 791.90 mg/(g·h);经过5次再生循环后,氨化酒糟吸附剂对Cr(Ⅵ)的吸附量达到98.44 mg/g,吸附性能损失率仅为19.60%。

     

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出版历程
  • 收稿日期:  2019-05-09
  • 刊出日期:  2020-01-20

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