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赤泥在沼液除磷中的应用

李晓光 赵颖 康得军 杨天学 龚斌 张颖 刘娇妹 卓锦德 曾宇平

李晓光, 赵颖, 康得军, 杨天学, 龚斌, 张颖, 刘娇妹, 卓锦德, 曾宇平. 赤泥在沼液除磷中的应用[J]. 环境工程技术学报, 2018, 8(4): 435-442. doi: 10.3969/j.issn.1674-991X.2018.04.057
引用本文: 李晓光, 赵颖, 康得军, 杨天学, 龚斌, 张颖, 刘娇妹, 卓锦德, 曾宇平. 赤泥在沼液除磷中的应用[J]. 环境工程技术学报, 2018, 8(4): 435-442. doi: 10.3969/j.issn.1674-991X.2018.04.057
LI Xiaoguang, ZHAO Ying, KANG Dejun, YANG Tianxue, GONG Bin, ZHANG Ying, LIU Jiaomei, JOW Jinder, ZENG Yuping. Study on phosphorus removal from biogas slurry by red mud[J]. Journal of Environmental Engineering Technology, 2018, 8(4): 435-442. doi: 10.3969/j.issn.1674-991X.2018.04.057
Citation: LI Xiaoguang, ZHAO Ying, KANG Dejun, YANG Tianxue, GONG Bin, ZHANG Ying, LIU Jiaomei, JOW Jinder, ZENG Yuping. Study on phosphorus removal from biogas slurry by red mud[J]. Journal of Environmental Engineering Technology, 2018, 8(4): 435-442. doi: 10.3969/j.issn.1674-991X.2018.04.057

赤泥在沼液除磷中的应用

doi: 10.3969/j.issn.1674-991X.2018.04.057
详细信息
    作者简介:

    李晓光(1982—),女,工程师,博士,主要从事固体废物高值化利用和环境水体净化材料研发与应用研究

  • 中图分类号: X703

Study on phosphorus removal from biogas slurry by red mud

  • 摘要: 采用工业废物赤泥去除沼液中磷酸盐,利用XRF、XRD、PSD和SEM等手段对赤泥基本物理化学性质进行了综合表征,研究了沼液初始pH(pHi)、赤泥投加量、反应时间和初始磷浓度等因素对沼液中磷酸盐去除率和沼液最终pH(pHf)的影响。结果表明:沼液中磷酸盐去除率随着pHi的增加呈先降低后增加趋势;磷酸盐去除率最大值和最小值分别出现在pHi为2.1和6.9处,分别为89.6%和47.2%;赤泥投加量越大、反应时间越长,磷酸盐去除率越高,pHf越大;而初始磷浓度越低,磷酸盐去除率越高,pHf越大。采用3 4水平正交试验设计考察了各因素间的交互作用及对赤泥除磷的影响,得到赤泥除磷的最佳条件:pHi为10.0,赤泥投加量为5.0 g/L,初始磷浓度为1.7 mg/L,反应时间为40 min。

     

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出版历程
  • 收稿日期:  2018-02-05
  • 刊出日期:  2018-07-20

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