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田维平, 陈学民, 周鹏, 伏小勇, 李晨旭. 蚯蚓粪净化硫化氢恶臭气体[J]. 环境工程学报, 2018, 12(11): 3169-3176. doi: 10.12030/j.cjee.201806036
引用本文: 田维平, 陈学民, 周鹏, 伏小勇, 李晨旭. 蚯蚓粪净化硫化氢恶臭气体[J]. 环境工程学报, 2018, 12(11): 3169-3176. doi: 10.12030/j.cjee.201806036
shu
TIAN Weiping, CHEN Xuemin, ZHOU Peng, FU Xiaoyong, LI Chenxu. Removal of hydrogen sulfide contaminated air by using vermicompost mediated bioreactor[J]. Chinese Journal of Environmental Engineering, 2018, 12(11): 3169-3176. doi: 10.12030/j.cjee.201806036
Citation: TIAN Weiping, CHEN Xuemin, ZHOU Peng, FU Xiaoyong, LI Chenxu. Removal of hydrogen sulfide contaminated air by using vermicompost mediated bioreactor[J]. Chinese Journal of Environmental Engineering, 2018, 12(11): 3169-3176. doi: 10.12030/j.cjee.201806036
shu

蚯蚓粪净化硫化氢恶臭气体

  • 1.

    兰州交通大学环境与市政工程学院，兰州 730070

  • 2.

    兰州交通大学电子与信息工程学院，兰州 730070

  • 基金项目:

    国家自然科学基金资助项目（51168029）

    甘肃省自然科学基金资助项目（1610RJYA035，1610RJZA058）

    兰州交通大学青年基金资助项目（2016009）

Removal of hydrogen sulfide contaminated air by using vermicompost mediated bioreactor

  • 1.

    School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

  • 2.

    School of Electronic and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

  • Fund Project:

  • 摘要: 为探究蚯蚓粪净化硫化氢恶臭气体的可行性及其微生物群落结构的构成，以蚯蚓粪为生物反应器的载体，考察了蚯蚓粪去除硫化氢的性能；采用Miseq高通量测序技术分析蚯蚓粪中微生物种群结构变化。结果表明,当进气浓度小于350 mg·m-3，气体流量为0.25~0.35 m3·h-1时，H2S去除率可达100%。随着进气流量的增大，H2S去除率下降。微生物种群结果揭示蚯蚓粪生物反应器的不同空间层次上呈现出明显的空间分布多样性差异。蚯蚓粪生物反应器的主要降解硫化氢的优势菌为：变形菌门（44%~85%），γ-变形菌纲（18%~76%）；产黄杆菌属（6.1%~62.5%）、盐生硫杆菌属（2.8%~5.2%）、硫杆菌属（0.7%~6.9%）等优势菌属。通过分析可知，蚯蚓粪能高效处理硫化氢恶臭气体，蚯蚓粪中丰富且多样的微生物群落对其处理效果有着重要的作用。
    Abstract: The aims of this study were to assess the removal feasibility of hydrogen sulfide (H2S) contaminated air by using the vermicompost and to investigate its microbial community feature. The vermicompost obtained from dewatered sludge was chosen as a media of bioreactor and the changes of microbial community were analyzed by Miseq high-throughput sequencing technique. The results showed that the hydrogen sulfide contaminated air was completely removed at the inlet concentrations less than 350 mg·m-3 and gas flow rates of 0.25~0.35 m3·h-1. However, the removal efficiency decreased with further increase of the gas flow. Moreover, an remarkable difference was observed for the bacterial diversity on different spatial site of vermicompost mediated bioreactor. After the experiment, the hydrogen sulfide decomposer in the vermicompost was dominated by the Proteobacteria accounting for 44% to 85%, including the γ-Proteobacteria of 18% to 76%. Specifically, the Rhodanobacter (6.1% to 62.5%), Halothiobacillus (2.8% to 5.2%) and Thiobacillus (0.7% to 6.9%) were detected as the major desulfurization strains in the final vermicompost. This study suggests that the vermicompost mediated bioreactor has an excellent performance on purifying the hydrogen sulfide contaminated air, which is strongly dependent on the diverse microbial community in vermicompost.
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  • 刊出日期:  2018-11-12

蚯蚓粪净化硫化氢恶臭气体

  • 1. 兰州交通大学环境与市政工程学院，兰州 730070
  • 2. 兰州交通大学电子与信息工程学院，兰州 730070
基金项目:

国家自然科学基金资助项目（51168029）

甘肃省自然科学基金资助项目（1610RJYA035，1610RJZA058）

兰州交通大学青年基金资助项目（2016009）

摘要: 为探究蚯蚓粪净化硫化氢恶臭气体的可行性及其微生物群落结构的构成，以蚯蚓粪为生物反应器的载体，考察了蚯蚓粪去除硫化氢的性能；采用Miseq高通量测序技术分析蚯蚓粪中微生物种群结构变化。结果表明,当进气浓度小于350 mg·m-3，气体流量为0.25~0.35 m3·h-1时，H2S去除率可达100%。随着进气流量的增大，H2S去除率下降。微生物种群结果揭示蚯蚓粪生物反应器的不同空间层次上呈现出明显的空间分布多样性差异。蚯蚓粪生物反应器的主要降解硫化氢的优势菌为：变形菌门（44%~85%），γ-变形菌纲（18%~76%）；产黄杆菌属（6.1%~62.5%）、盐生硫杆菌属（2.8%~5.2%）、硫杆菌属（0.7%~6.9%）等优势菌属。通过分析可知，蚯蚓粪能高效处理硫化氢恶臭气体，蚯蚓粪中丰富且多样的微生物群落对其处理效果有着重要的作用。

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