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黑臭底泥土著微生物促生对磷的影响

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陈建军, 张佳磊, 卢少勇, 廖再毅, 卢晓明. 黑臭底泥土著微生物促生对磷的影响[J]. 环境工程学报, 2013, 7(9): 3403-3408.
引用本文: 陈建军, 张佳磊, 卢少勇, 廖再毅, 卢晓明. 黑臭底泥土著微生物促生对磷的影响[J]. 环境工程学报, 2013, 7(9): 3403-3408.
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Chen Jianjun, Zhang Jialei, Lu Shaoyong, Liao Zaiyi, Lu Xiaoming. Effect of indigenous microbial promoting on phosphorus in black-odor sediment and overlying water[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3403-3408.
Citation: Chen Jianjun, Zhang Jialei, Lu Shaoyong, Liao Zaiyi, Lu Xiaoming. Effect of indigenous microbial promoting on phosphorus in black-odor sediment and overlying water[J]. Chinese Journal of Environmental Engineering, 2013, 7(9): 3403-3408.
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黑臭底泥土著微生物促生对磷的影响

  • 1.

    三峡大学水利与环境学院, 宜昌 443002

  • 2.

    中国环境科学研究院环境基准与风险评估国家重点实验室, 湖泊环境研究中心, 洞庭湖生态观测研究站, 湖泊工程技术中心, 北京 100012

  • 3.

    温州市农业科学研究院, 温州 325006

  • 基金项目:

    三峡大学科学基金资助项目(KJ2011B028)

    国家青年科学基金资助项目(51209190)

    国家"水体污染控制与治理"科技重大专项(2012ZX07105-002)

  • 中图分类号: X52

Effect of indigenous microbial promoting on phosphorus in black-odor sediment and overlying water

  • 1.

    College of Hydraulic & Environment Engineering, China Three Gorges University, Yichang 443002, China

  • 2.

    Chinese Research Academy of Environmental Sciences, State Key Laboratory of Environmental Criteria and Risk Assessment, Research Centre of Lake Environment, Dongtinghu Lake Ecological Observation and Research Station (DEORS), Engineering and Technology Centre of Lake, Beijing 100012, China

  • 3.

    Wenzhou Academy of Agricultural Sciences, Wenzhou 325006, China

  • Fund Project:

  • 摘要: 土著微生物促生是一项低成本高效率的河湖黑臭底泥原位修复技术,然而向底泥中投加药剂可能会影响上覆水水质。为探讨该技术对水环境的不利影响,实验研究了城市湖泊黑臭底泥修复过程中上覆水中磷浓度和底泥中磷含量及形态的变化。结果表明,在投药深度为泥面以下15 cm,微生物营养剂(BE)和生物解毒剂(MT)的投加量分别低于60 mL/m3和70 mL/m3的条件下,上覆水总磷(TP)浓度低于地表水环境质量Ⅲ类(湖库类)标准值。投加微生物促生剂(BE和MT)导致上覆水磷含量升高,并促进了上覆水中藻类的增长。复配投加硝酸钙能减少上覆水中磷含量及藻类生物量,从而抑制微生物促生剂对上覆水磷浓度的影响。另外,投加微生物促生剂及硝酸钙到底泥中后,底泥磷含量以及磷形态组成的变化均不明显。
    Abstract: The indigenous microbial promotion is an in situ black-odor sediment remediation technology with low cost and high efficiency which is applied to river or lake. However, the adding of agent to the sediment may affects the quality of overlying water. In order to analyze the adverse effects of this technology, we determined the changes of phosphorus (P) contents and its fractions in the overlying water and black-odor sediment from an urban lake. Results showed that when the adding dose of Bio Energizer (BE) and Micatrol (MT) to sediment was 60 mL/m3 and 70 mL/m3, respectively, the total phosphorus content (TP) in the overlying water was lower than 0.05 mg/L (Grade Ⅲ value of National Environment Quality Standard for Surface Water in China). However, the adding of microbial nutrient (BE and MT) to sediment still led to the increase of TP as well as the proliferation of algae in the overlying water. Adding of Ca(NO3)2 significantly reduced the TP and algae biomass in the overlying water, which controlled the effects of adding microbial nutrient to sediment on the TP in overlying water. In addition, the adding of both Ca(NO3)2 and microbial nutrient had no obvious effect on the TP and P fractions in the sediment.
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出版历程
  • 收稿日期:  2012-10-13
  • 刊出日期:  2013-09-15

黑臭底泥土著微生物促生对磷的影响

  • 1. 三峡大学水利与环境学院, 宜昌 443002
  • 2. 中国环境科学研究院环境基准与风险评估国家重点实验室, 湖泊环境研究中心, 洞庭湖生态观测研究站, 湖泊工程技术中心, 北京 100012
  • 3. 温州市农业科学研究院, 温州 325006
  • 收稿日期:  2012-10-13
基金项目:

三峡大学科学基金资助项目(KJ2011B028)

国家青年科学基金资助项目(51209190)

国家"水体污染控制与治理"科技重大专项(2012ZX07105-002)

摘要: 土著微生物促生是一项低成本高效率的河湖黑臭底泥原位修复技术,然而向底泥中投加药剂可能会影响上覆水水质。为探讨该技术对水环境的不利影响,实验研究了城市湖泊黑臭底泥修复过程中上覆水中磷浓度和底泥中磷含量及形态的变化。结果表明,在投药深度为泥面以下15 cm,微生物营养剂(BE)和生物解毒剂(MT)的投加量分别低于60 mL/m3和70 mL/m3的条件下,上覆水总磷(TP)浓度低于地表水环境质量Ⅲ类(湖库类)标准值。投加微生物促生剂(BE和MT)导致上覆水磷含量升高,并促进了上覆水中藻类的增长。复配投加硝酸钙能减少上覆水中磷含量及藻类生物量,从而抑制微生物促生剂对上覆水磷浓度的影响。另外,投加微生物促生剂及硝酸钙到底泥中后,底泥磷含量以及磷形态组成的变化均不明显。

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