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A new online exhaust gas monitoring system in hydrochloric acid regeneration of cold rolling mills

  • Pollutant distributions and controls in the environment
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Abstract

Measuring the content of hydrogen chloride (HCl) in exhaust gas used to take time and energy. In this paper, we introduce a new online monitoring system which can output real-time data to the monitoring center. The system samples and cools exhaust gas, and after a series of processing, it will be analyzed by a specific instrument. The core part of this system is remote terminal unit (RTU) which is designed on Cortex-A8 embedded architecture. RTU runs a scaled-down version of Linux which is a good choice of OS for embedded applications. It controls the whole processes, does data acquisition and data analysis, and communicates with monitoring center through Ethernet. In addition, through a software developed for windows, the monitoring process can be remotely controlled. The new system is quite beneficial for steel industry to do environment monitoring.

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Acknowledgments

The work is supported by Shanghai Science and Technology Committee (15dz1201803 and Z14TAAB080). The author is also grateful to Baosteel for having offered so much help.

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Authors and Affiliations

  1. Intelligent Control Research Lab, Fudan University, Shanghai, 200433, China

    Long Tuo, Xiang Zheng & Xiong Chen

Authors
  1. Long Tuo
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  2. Xiang Zheng
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  3. Xiong Chen
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Corresponding author

Correspondence to Xiong Chen.

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Responsible editor: Bingcai Pan

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Tuo, L., Zheng, X. & Chen, X. A new online exhaust gas monitoring system in hydrochloric acid regeneration of cold rolling mills. Environ Sci Pollut Res 24, 26919–26926 (2017). https://doi.org/10.1007/s11356-015-4856-1

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  • DOI: https://doi.org/10.1007/s11356-015-4856-1

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