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首页> 外文期刊>Energy Conversion & Management >Nickel-graphene nanocomposite as a novel supplement for enhancement of biohydrogen production from industrial wastewater containing mono-ethylene glycol
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Nickel-graphene nanocomposite as a novel supplement for enhancement of biohydrogen production from industrial wastewater containing mono-ethylene glycol

机译：镍-石墨烯纳米复合材料，可提高含单乙二醇的工业废水中生物氢的生产能力

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摘要

The impact of Ni nanoparticles (NPs) and Ni-graphene nanocomposite (Ni-Gr NC) on hydrogen production from industrial wastewater containing mono-ethylene glycol (MEG) via anaerobic digestion was investigated. Batch reactors were supplemented with different dosages of Ni NPs and Ni-Gr NC ranging from 0 to 100 mg/L. Maximum hydrogen yields (HYs) of 24.73 +/- 1.12 and 41.28 +/- 1.69 mL/gCOD(initial): were achieved at a dosage of 60 mg/L for Ni NPs and Ni-Gr NC, respectively. Substantial improvements of 23% and 105% in hydrogen production were registered at an optimum dosage of 60 mg/L for Ni NPs and Ni-Gr NC, respectively, compared with the control without nanomaterials addition. However, increasing the dosage of Ni NPs and Ni-Gr NC to 100 mg/L resulted in a significant decrease in HY to 20.80 +/- 1.12 and 24.24 +/- 1.13 ml./gCOD(initial), respectively. A non-linear regression model revealed that the higher maximum hydrogen production (129% improvement) could be achieved at a dosage of 50 mg/L Ni-Gr NC and an initial pH of 5.0. Economic and environmental revenues due to bioenergy recovery from MEG-containing wastewater were also estimated. (C) 2017 Elsevier Ltd. All rights reserved.
机译：研究了镍纳米颗粒（NPs）和镍石墨烯纳米复合材料（Ni-Gr NC）对含单乙二醇（MEG）的工业废水通过厌氧消化制氢的影响。批量反应器中添加了不同剂量的Ni NP和Ni-Gr NC，剂量范围为0至100 mg / L。 Ni NP和Ni-Gr NC的最大氢产量（HYs）分别为60.20 mg / L和24.73 +/- 1.12和41.28 +/- 1.69 mL / gCOD（初始）。与不添加纳米材料的对照相比，以60 mg / L的最佳剂量分别将Ni NPs和Ni-Gr NC的产氢量分别提高了23％和105％。但是，将Ni NPs和Ni-Gr NC的剂量增加到100 mg / L会导致HY分别显着降低到20.80 +/- 1.12和24.24 +/- 1.13 ml./gCOD（初始）。非线性回归模型显示，在50 mg / L Ni-Gr NC和初始pH值为5.0的情况下，可以实现更高的最大产氢量（提高129％）。还估计了由于从含MEG废水中回收生物能源而带来的经济和环境收入。 （C）2017 Elsevier Ltd.保留所有权利。

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  • 来源
    《Energy Conversion & Management》 |2017年第5期|133-144|共12页
  • 作者

    Elreedy Ahmed; Ibrahim Eman; Hassan Nazly; El-Dissouky Ali; Fujii Manabu; Yoshimura Chihiro; Tawfik Ahmed;

  • 作者单位

    Tokyo Inst Technol, Dept Civil & Environm Engn, Meguro Ku, Tokyo 1528552, Japan|Egypt Japan Univ Sci & Technol E JUST, Dept Environm Engn, POB 179, Alexandria 21934, Egypt|Univ Alexandria, Fac Engn, Sanit Engn Dept, Alexandria 21544, Egypt;

    Univ Alexandria, Fac Sci, Dept Chem, POB 426, Alexandria 21321, Egypt;

    City Sci Res & Technol Applicat, New Mat & Adv Technol Inst, Composites & Nano Struct Dept, Alexandria 21934, Egypt;

    Univ Alexandria, Fac Sci, Dept Chem, POB 426, Alexandria 21321, Egypt;

    Tokyo Inst Technol, Dept Civil & Environm Engn, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Civil & Environm Engn, Meguro Ku, Tokyo 1528552, Japan;

    Egypt Japan Univ Sci & Technol E JUST, Dept Environm Engn, POB 179, Alexandria 21934, Egypt|Natl Res Ctr, Water Pollut Res Dept, Giza 12622, Egypt;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ni nanoparticles; Ni-graphene nanocomposite; Mono-ethylene glycol; Hydrogen yield; Non-linear regression; Bioenergy recovery;

    机译：镍纳米粒子;镍-石墨烯纳米复合材料;单乙二醇;氢气收率;非线性回归;生物能回收;

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