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ABS树脂废水有机物反硝化潜势及降解特性

王 然 王 彤 程家运 宋玉栋 吕倩倩 周岳溪 杨利伟

王 然, 王 彤, 程家运, 宋玉栋, 吕倩倩, 周岳溪, 杨利伟. ABS树脂废水有机物反硝化潜势及降解特性[J]. 环境科学研究, 2014, 27(11): 1379-1386.
引用本文: 王 然, 王 彤, 程家运, 宋玉栋, 吕倩倩, 周岳溪, 杨利伟. ABS树脂废水有机物反硝化潜势及降解特性[J]. 环境科学研究, 2014, 27(11): 1379-1386.
WANG Ran, WANG Tong, CHENG Jia-yun, SONG Yu-dong, LYU Qian-qian, ZHOU Yue-xi, YANG Li-wei. Denitrification Potentials and Degradation Characteristics of Organics in ABS Resin Wastewater[J]. Research of Environmental Sciences, 2014, 27(11): 1379-1386.
Citation: WANG Ran, WANG Tong, CHENG Jia-yun, SONG Yu-dong, LYU Qian-qian, ZHOU Yue-xi, YANG Li-wei. Denitrification Potentials and Degradation Characteristics of Organics in ABS Resin Wastewater[J]. Research of Environmental Sciences, 2014, 27(11): 1379-1386.

ABS树脂废水有机物反硝化潜势及降解特性

基金项目: 国家水体污染控制与治理科技重大专项(2012ZX07201-005)

Denitrification Potentials and Degradation Characteristics of Organics in ABS Resin Wastewater

  • 摘要: 为优化ABS树脂废水的生物脱氮工艺,测定了废水的反硝化潜势,分析了废水反硝化阶段有机物的降解特性. 结果表明,ABS树脂废水的反硝化碳源充足,并且含有易降解有机物和慢速降解有机物等具有不同反硝化速率的有机物. 在废水ρ(SCOD)(SCOD为溶解性化学需氧量)为755.4~1 043.3 mg/L,ρ(TN)为86.1~111.1 mg/L的情况下,总反硝化潜势为95.4~144.6 mg/L (以NO3--N计),其中易降解有机物的反硝化速率为3.4~4.6 mg/(g·h) (以NO3--N计),反硝化潜势为33.2~49.7 mg/L;2类慢速降解有机物的反硝化速率分别为2.2~3.2和0.4~0.9 mg/(g·h),反硝化潜势之和为62.2~94.9 mg/L. 反硝化过程中,废水SCOD的去除率为48.9%~62.8%,ON(有机氮)去除率为81.5%~95.7%. 腈类物质得到明显降解,并生成大量NH4+-N,是反硝化碳源的重要组成部分. 三维荧光光谱表明,废水中的芳香族有机物苯环结构在反硝化条件下未得到有效降解,但在好氧条件下得到快速降解.

     

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出版历程
  • 收稿日期:  2014-04-27
  • 修回日期:  2014-07-31
  • 刊出日期:  2014-11-25

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