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纳米Fe3O4对污泥厌氧产沼气性能的影响

贾通通,  王在钊,  耿凤华,  宫磊

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文章导航 > 环境工程技术学报  > 2017 >  7(2): 201-208
贾通通, 王在钊, 耿凤华, 宫磊. 纳米Fe3O4对污泥厌氧产沼气性能的影响[J]. 环境工程技术学报, 2017, 7(2): 201-208. doi: 10.3969/j.issn.1674-991X.2017.02.030
引用本文: 贾通通, 王在钊, 耿凤华, 宫磊. 纳米Fe3O4对污泥厌氧产沼气性能的影响[J]. 环境工程技术学报, 2017, 7(2): 201-208. doi: 10.3969/j.issn.1674-991X.2017.02.030
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JIA Tongtong, WANG Zaizhao, GENG Fenghua, GONG Lei. Effect of Fe3O4 nanoparticles on anaerobic biogas production[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 201-208. doi: 10.3969/j.issn.1674-991X.2017.02.030
Citation: JIA Tongtong, WANG Zaizhao, GENG Fenghua, GONG Lei. Effect of Fe3O4 nanoparticles on anaerobic biogas production[J]. Journal of Environmental Engineering Technology, 2017, 7(2): 201-208. doi: 10.3969/j.issn.1674-991X.2017.02.030
shu

纳米Fe3O4对污泥厌氧产沼气性能的影响

doi: 10.3969/j.issn.1674-991X.2017.02.030

  • 青岛科技大学环境与安全工程学院,山东 青岛 266042

详细信息
    作者简介:

    贾通通(1991—),男,硕士研究生,主要从事固体废物资源化利用的研究, 1017885606@qq.com

    通讯作者:

    宫磊 E-mail: goalucky@qust.edu.cn

  • 中图分类号: X703

Effect of Fe3O4 nanoparticles on anaerobic biogas production

  • Academy of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

More Information
    Corresponding author: Lei GONG E-mail: goalucky@qust.edu.cn

    摘要
  • 摘要: 对采用共沉淀法制备的纳米Fe3O4颗粒进行表征,并探究在中温(35 ℃)厌氧消化过程中纳米Fe3O4浓度对产气性能的影响。结果表明:纳米Fe3O4浓度为100 mg/L时可使厌氧体系中的氨氮浓度维持在600~1 200 mg/L,pH为7~8,TCODCr以及SCODCr去除率分别提高了8.35%和9.90%;该浓度下厌氧体系中产生的挥发性脂肪酸(VFA)浓度最大,可达4 300 mg/L,且强化了对乙酸的利用;该试验组的产气性能最好,相对于空白组,其累积产气量提高了28.08%,产气周期缩短了2 d,甲烷浓度提高了6%。

     

    Abstract: Fe3O4 nanoparticles was made by coprecipitation, and characterized for scanning electron microscope (SEM). The effect of different concentration of Fe3O4 nanoparticles on volume gas production and CH4 ratio during the anaerobic digestion process at the medium temperature of 35 ℃ was examined. The results showed that Fe3O4 nanoparticles of 100 mg/L maintained ammonia at the level of 600-1 200 mg/L, pH at 7-8, and improved TCODCr and SCODCr degradation rates by 8.35% and 9.90%, respectively. This amount of Fe3O4 nanoparticles produced maximum concentration of volatile fatty acids (VFAs), which can reach 4 300 mg/L, and strengthened the use of acetic acid. Fe3O4 nanoparticles of 100 mg/L improved the biogas production. Compared with the control group, the system increased the gas production by 28.08%, decreased the gas production cycles by two days and increased the methane content by 6%.

     

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  • 收稿日期:  2016-08-23
  • 刊出日期:  2017-03-20

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