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Analysis of DNAPL migration in aggregated kaolin and sand using light transmission visualization (LTV) method / Ho Xi Cui

By:

Ho Xi Cui

Material type: Text

TextPublication details: Kuantan, Pahang : UMP, 2016Description: xvi, 65 p. : ill. ; 30 cm. + 1 CD ROMISBN:

THE0000475(Local)

Subject(s):

Dissertation note: Project Paper (Bachelors of Civil Engineering) -- Universiti Malaysia Pahang – 2016 Scope and content: Physical model experiments based on Light Transmission Visualization (LTV) method were conducted to study and observe the migration of dense non-aqueous phase liquids (DNAPL) in both single and double-porosity soil mediums. DNAPL that used in the research is tetrachloroethylene (PCE). Aggregated kaolin was prepared and acts as double-porosity soil medium whereas Ottawa sand represent single-porosity soil medium. A three-dimensional rectangular acrylic model which filled with soil samples was then mounted on a light box and placed inside a dark room. A digital camera starts capture images of DNAPL migration once known amounts of DNAPL is injected into flow chamber. In the end of the experiments, digital images were collected and analyzed by using Image-Pro Premier 9.1 which is an image analysis software. The analysis focused on the cumulative area, depth, saturation as well as rate of DNAPL migration. It was found that the DNAPL migrate much faster in double-porosity soil compared to single-porosity soil. The total cumulative DNAPL migration area in double-porosity soil also larger than single porosity soil. This shows that the existence of inter-aggregate pores in double-porosity soil medium has significant impact on the migration of immiscible fluids within double-porosity soils

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Holdings ( 2 )
Title notes ( 4 )

Holdings
Item type	Current library	Call number	Copy number	Status	Date due	Barcode
Final Year Report	UMPLIB GAMBANG	FKASA .H69 2016 r Bc. (Browse shelf(Opens below))	1	In Transit		0000115071
Accompanying Material	UMPLIB GAMBANG	CD 10309 \| FKASA .H69 2016 r Bc. (Browse shelf(Opens below))	1	In Transit		0000115072

Faculty of Civil Engineering and Earth Resources

Project Paper (Bachelors of Civil Engineering) -- Universiti Malaysia Pahang – 2016

Bibliography : p. 57-60

Physical model experiments based on Light Transmission Visualization (LTV) method were conducted to study and observe the migration of dense non-aqueous phase liquids (DNAPL) in both single and double-porosity soil mediums. DNAPL that used in the research is tetrachloroethylene (PCE). Aggregated kaolin was prepared and acts as double-porosity soil medium whereas Ottawa sand represent single-porosity soil medium. A three-dimensional rectangular acrylic model which filled with soil samples was then mounted on a light box and placed inside a dark room. A digital camera starts capture images of DNAPL migration once known amounts of DNAPL is injected into flow chamber. In the end of the experiments, digital images were collected and analyzed by using Image-Pro Premier 9.1 which is an image analysis software. The analysis focused on the cumulative area, depth, saturation as well as rate of DNAPL migration. It was found that the DNAPL migrate much faster in double-porosity soil compared to single-porosity soil. The total cumulative DNAPL migration area in double-porosity soil also larger than single porosity soil. This shows that the existence of inter-aggregate pores in double-porosity soil medium has significant impact on the migration of immiscible fluids within double-porosity soils