Title page for etd-0802116-150701


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URN etd-0802116-150701
Author Jen-ho Chu
Author's Email Address jenho5865@gmail.com
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Department Environmental Engineering
Year 2015
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Sediment Pollution Investigation of an Urban River
Date of Defense 2016-07-22
Page Count 91
Keyword
  • polycyclic aromatic hydrocarbons(PAHs)
  • phthalate esters(PAEs)
  • di-(2-ethyl hexyl) phthalate (DEHP)
  • urban rivers
  • sediments
  • Abstract Abstract
    The objective of this study was to evaluate the pollutants polycyclic aromatic hydrocarbons (PAHs) and phthalate esters (PAEs) distribution in the river sediments in Kaohsiung City. The characteristics of sediments were also analyzed. Three major rivers (Lover River, Hou-Jing River, and Fon-Shan River) in Kaohsiung City were studied. Results from the sediments analyses show that the total PAHs concentrations in sediments ranged from 42.8-2,158 ng/g and mainly located in the downstream sections. Based on the NOAA guidelines, the fluorene (FL) concentrations in sediments collected from the Chi-Shen Bridge location was higher than the effects range-low (ERL) level. The PAHs concentrations in sediments collected from other locations were lower than the ERL levels. This indicates that the PAHs had no significant impact on the ecosystem. The major sources of PAHs were due to the ignition of fuel oils and the PAEs in the sediments of three rivers contained di-isodecyl phthalate (DiDP), di-(2-ethyl hexyl) phthalate (DEHP), di-isononyl phthalate (DiNP), and di-n-octyl phthalate (DnOP). Among them, DEHP and DiNP had relatively higher portions. The sediment collected from the highest Long-Shin Bridge location of Lover River had the highest DHEP concentration (21,243 ng/g) followed by the concentration (21,519 ng/g) detected at the Tzi-Hen Bridge of Fon-Shan River. The DHEP concentrations detected at these locations were higher than the ERL levels indicating that the sediments might result in adverse impact on the ecosystem. Results also indicate that the PAHs concentrations had high correlation with the organic contents in sediments. Results from this study would be helpful in designing river management and pollution control strategies for the urban rivers.
    Advisory Committee
  • Lei Yang - chair
  • Hua-Shan Tai - co-chair
  • Tzung-yuh Yeh - co-chair
  • Yi-Chu Huang - co-chair
  • Chin-Ming Kao - advisor
  • Files
  • etd-0802116-150701.pdf
  • Indicate in-campus at 99 year and off-campus access at 99 year.
    Date of Submission 2016-09-02

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