In-situ detection method of harmful elements in landfill

Li Kewei; Ling Yongsheng; Zhang Haojia; Shan Qing; Hei Daqian; Jia Wenbao

doi:10.11884/HPLPB201830.170226

Volume 30 Issue 2

Feb. 2018

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Li Kewei, Ling Yongsheng, Zhang Haojia, et al. In-situ detection method of harmful elements in landfill[J]. High Power Laser and Particle Beams, 2018, 30: 026002. doi: 10.11884/HPLPB201830.170226

Citation:

Li Kewei, Ling Yongsheng, Zhang Haojia, et al. In-situ detection method of harmful elements in landfill[J]. High Power Laser and Particle Beams, 2018, 30: 026002. doi: 10.11884/HPLPB201830.170226

Li Kewei, Ling Yongsheng, Zhang Haojia, et al. In-situ detection method of harmful elements in landfill[J]. High Power Laser and Particle Beams, 2018, 30: 026002. doi: 10.11884/HPLPB201830.170226

Citation:

Li Kewei, Ling Yongsheng, Zhang Haojia, et al. In-situ detection method of harmful elements in landfill[J]. High Power Laser and Particle Beams, 2018, 30: 026002. doi: 10.11884/HPLPB201830.170226

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In-situ detection method of harmful elements in landfill

doi: 10.11884/HPLPB201830.170226

Li Kewei^1
,,
Ling Yongsheng^{1, 2
,
,},
Zhang Haojia¹,
Shan Qing^{1, 2},
Hei Daqian¹,
Jia Wenbao^{1, 2}

1.
Department of Nuclear Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2.
Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou 215021, China

Received Date: 2017-06-20
Rev Recd Date: 2017-09-07

Available Online: 2022-11-18

Publish Date: 2018-02-15

Abstract

Abstract

Toxic and harmful elements of living garbage can easily cause soil and groundwater contamination around the landfill. In-situ monitoring of harmful elements in landfills can provide the necessary technical support for safe and stable operation of landfills. In this paper, a method for detecting harmful elements in landfill based on instantaneous gamma-ray neutron activation analysis is proposed. The research model of the detection device for the actual environment of gas pipeline in landfill is made by using polyethylene ball, glass ball and ultra-pure water mixture as dry refuse substitute for preparing different landfill samples. The Monte Carlo method was used to simulate the geometrical parameters of the optimized model and experimental research platform was constructed using an americium beryllium neutron source with an activity of 300 mCi and a 4 inch BGO detector. Monte Carlo simulation and experimental results show that the characteristic peak intensities of chlorine, manganese, nickel and chromium in the landfill are enhanced with the increase of the element bulk density, and there exists a good linear relationship.
- landfill,
- harmful elements,
- PGNAA,
- Monte Carlo method,
- online measurement

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References(19)

References

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