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An Analytical Approach to Sustainable Beneficial Use of Dredged Materials in Yangon River, Myanmar

  • Khin Myat Noe
  • Kyoungrean KimEmail author
Conference paper
  • 27 Downloads
Part of the Environmental Science and Engineering book series (ESE)

Abstract

Yangon Port is the primary maritime transport to international trades through Yangon river waterway. High rate of sediment deposition in a confluence of rivers, namely an inner bar, has hindered navigation channel approaching Yangon Port. Thus, maintenance dredging at inner bar has been carried out annually. Owing to Myanmar Port Authority assuming dredged materials as wastes and focusing on ship to pass easily, dredged materials are directly dumped into open water area closed to dredging area without any disposal site monitoring and assessment of sediment contamination. This research aims to minimize volume generated annually by appropriate beneficially use-methods approaching sustainable dredging practices. Thus, sediment samples were collected from 3 different locations in inner bar area and analyzed following U.S. EPA test methods or other relevant methods. Particle size distribution, organic matters, heavy metals, and persistent organic pollutants were evaluated.14% of sand, 32% of silt, and 54% of clay were obtained from particle sizing results. Lower values of heavy metals, Polycyclic aromatic hydrocarbon, and Polychlorinated biphenyls than sediment quality criteria of various countries were found. Therefore, these sediments may be supposed being non-contaminated and reused without additional pollution-control treatments. Particle separation and dewatering techniques were described as cost-effective methods in order to save dredging cost and to produce commercial products. Legislation on disposal at sea, national building code standards for building materials, and sustainable dredging procedures were stated.

Keywords

Yangon river Inner bar Dredged materials Particle separation techniques Beneficial use 

Notes

Acknowledgements

This research was supported by the Korea Institute of Ocean Science and Technology (PO0136B), Republic of KOREA. Authors also would like to express special thanks of gratitude to the department of Chemistry, Yangon University for support sediment sampling and pretreatment in Myanmar.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Student, Ocean ScienceKIOST School, University of Science and Technology (UST)DaejeonRepublic of Korea
  2. 2.Marine Environmental DepartmentKorea Institute of Ocean Science and Technology (KIOST)BusanRepublic of Korea
  3. 3.Professor, Integrated Ocean Science DepartmentKIOST School, University of Science and Technology (UST)DaejeonRepublic of Korea

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