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双波长紫外吸收法有机废水COD测量技术与仪器设计

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邵敏超, 夏凤毅, 盛成龙, 李金叶, 梁伟建. 双波长紫外吸收法有机废水COD测量技术与仪器设计[J]. 环境工程学报, 2013, 7(1): 396-400.
引用本文: 邵敏超, 夏凤毅, 盛成龙, 李金叶, 梁伟建. 双波长紫外吸收法有机废水COD测量技术与仪器设计[J]. 环境工程学报, 2013, 7(1): 396-400.
shu
Shao Minchao, Xia Fengyi, Sheng Chenglong, Li Jinye, Liang Weijian. Double wavelengths ultraviolet absorption method for organic wastewater COD measurement and its instrument design[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 396-400.
Citation: Shao Minchao, Xia Fengyi, Sheng Chenglong, Li Jinye, Liang Weijian. Double wavelengths ultraviolet absorption method for organic wastewater COD measurement and its instrument design[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 396-400.
shu

双波长紫外吸收法有机废水COD测量技术与仪器设计

  • 1.

    中国计量学院质量与安全工程学院,杭州 310018

  • 基金项目:

Double wavelengths ultraviolet absorption method for organic wastewater COD measurement and its instrument design

  • 1.

    Department of Quality & Safety Engineering, China Jiliang University, Hangzhou 310018, China

  • Fund Project:

  • 摘要: 紫外吸收法直接测定有机废水COD是一种无需化学试剂、无样品前处理、无二次污染的绿色无损检测技术,但在实际应用中发现,有机废水中的悬浮物对测量结果产生较大影响。以实际废水水样为例,详细阐述了双波长紫外吸收法测量有机废水COD的操作方法及其消除悬浮物干扰的原理,并介绍了运用该技术设计开发的COD在线测量仪器。该仪器采用嵌入式计算机系统实时采集和处理数据,根据实际废水在双波长测量条件下的有效紫外吸光度快速推算出其COD值,具有快速、准确、无污染的特点。
    Abstract: Ultraviolet absorption method for organic wastewater COD measurement is a green nondestructive testing method, which has the advantages of no reagent application, no sample preparation, and no secondary pollution, but in practical application, the measurement results are greatly influenced by the suspended solids in organic wastewater. The operation method of double wavelengths ultraviolet absorption for COD measurement and the principle of eliminating interference of suspended solids were discussed in this paper, which based on the actual wastewater sample, and online COD measuring instrument was discussed as well which was designed based on this method. The embedded computer system was used in this instrument to collect and process the real-time data, and the COD was calculated quickly according to the effective ultraviolet absorbance which was in the condition of double wavelengths measurement of practical wastewater sample, the testing results show that the instrument has characteristics of rapid, accurate and no pollution.
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出版历程
  • 收稿日期:  2012-04-27
  • 刊出日期:  2013-01-16
邵敏超, 夏凤毅, 盛成龙, 李金叶, 梁伟建. 双波长紫外吸收法有机废水COD测量技术与仪器设计[J]. 环境工程学报, 2013, 7(1): 396-400.
引用本文: 邵敏超, 夏凤毅, 盛成龙, 李金叶, 梁伟建. 双波长紫外吸收法有机废水COD测量技术与仪器设计[J]. 环境工程学报, 2013, 7(1): 396-400.
shu
Shao Minchao, Xia Fengyi, Sheng Chenglong, Li Jinye, Liang Weijian. Double wavelengths ultraviolet absorption method for organic wastewater COD measurement and its instrument design[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 396-400.
Citation: Shao Minchao, Xia Fengyi, Sheng Chenglong, Li Jinye, Liang Weijian. Double wavelengths ultraviolet absorption method for organic wastewater COD measurement and its instrument design[J]. Chinese Journal of Environmental Engineering, 2013, 7(1): 396-400.
shu

双波长紫外吸收法有机废水COD测量技术与仪器设计

  • 1. 中国计量学院质量与安全工程学院,杭州 310018
  • 收稿日期:  2012-04-27
基金项目:

摘要: 紫外吸收法直接测定有机废水COD是一种无需化学试剂、无样品前处理、无二次污染的绿色无损检测技术,但在实际应用中发现,有机废水中的悬浮物对测量结果产生较大影响。以实际废水水样为例,详细阐述了双波长紫外吸收法测量有机废水COD的操作方法及其消除悬浮物干扰的原理,并介绍了运用该技术设计开发的COD在线测量仪器。该仪器采用嵌入式计算机系统实时采集和处理数据,根据实际废水在双波长测量条件下的有效紫外吸光度快速推算出其COD值,具有快速、准确、无污染的特点。

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