5种植物材料的水解释碳性能及反硝化效率

钟胜强, 杨扬, 陶然, 李丽, 张敏, 赵建成. 5种植物材料的水解释碳性能及反硝化效率[J]. 环境工程学报, 2014, 8(5): 1817-1824.
引用本文: 钟胜强, 杨扬, 陶然, 李丽, 张敏, 赵建成. 5种植物材料的水解释碳性能及反硝化效率[J]. 环境工程学报, 2014, 8(5): 1817-1824.
Zhong Shengqiang, Yang Yang, Tao Ran, Li Li, Zhang Min, Zhao Jiancheng. Carbon releasing characteristics and denitrification effects of five plant materials[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1817-1824.
Citation: Zhong Shengqiang, Yang Yang, Tao Ran, Li Li, Zhang Min, Zhao Jiancheng. Carbon releasing characteristics and denitrification effects of five plant materials[J]. Chinese Journal of Environmental Engineering, 2014, 8(5): 1817-1824.

5种植物材料的水解释碳性能及反硝化效率

  • 基金项目:

    “十二五”国家科技支撑计划项目(2012BAJ21B07)

    国家自然科学基金资助项目(41201506)

  • 中图分类号: X703.1

Carbon releasing characteristics and denitrification effects of five plant materials

  • Fund Project:
  • 摘要: 碳源在硝酸盐去除过程中起电子供体的作用,是生物反硝化反应的关键物质之一。为解决污水处理脱氮时碳源不足抑制反硝化反应造成脱氮效率低的问题,本研究选取风车草、甘蔗渣、芦竹、美人蕉和稻草秆5种植物材料作为反硝化碳源,探讨不同植物材料的水解释碳能力和释放规律;并进一步以其水解液作为外加碳源,探讨其对反硝化脱氮效率的影响。研究结果表明,植物材料水解释碳过程符合二级动力学反应规律,不同植物材料的释碳能力具有显著性差异,以甘蔗渣在固液比1:80时COD释放当量最大,为45.45 mg/L;添加植物水解液可显著提高反硝化脱氮效率,以芦竹水解液脱氮效果最好,达到71.9%。此外,碳氮比是影响脱氮效率的重要因素之一,以碳氮比为9时反硝化脱氮效果最佳。
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出版历程
  • 收稿日期:  2014-02-21
  • 刊出日期:  2014-05-06

5种植物材料的水解释碳性能及反硝化效率

  • 1.  暨南大学水生生物研究中心, 广州 510632
  • 2.  热带亚热带水生态工程教育部工程研究中心, 广州 510632
基金项目:

“十二五”国家科技支撑计划项目(2012BAJ21B07)

国家自然科学基金资助项目(41201506)

摘要: 碳源在硝酸盐去除过程中起电子供体的作用,是生物反硝化反应的关键物质之一。为解决污水处理脱氮时碳源不足抑制反硝化反应造成脱氮效率低的问题,本研究选取风车草、甘蔗渣、芦竹、美人蕉和稻草秆5种植物材料作为反硝化碳源,探讨不同植物材料的水解释碳能力和释放规律;并进一步以其水解液作为外加碳源,探讨其对反硝化脱氮效率的影响。研究结果表明,植物材料水解释碳过程符合二级动力学反应规律,不同植物材料的释碳能力具有显著性差异,以甘蔗渣在固液比1:80时COD释放当量最大,为45.45 mg/L;添加植物水解液可显著提高反硝化脱氮效率,以芦竹水解液脱氮效果最好,达到71.9%。此外,碳氮比是影响脱氮效率的重要因素之一,以碳氮比为9时反硝化脱氮效果最佳。

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