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Theoretical and Experimental Work on Forward Osmosis for the Treatment of Landfill Leachate Wastewater.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Theoretical and Experimental Work on Forward Osmosis for the Treatment of Landfill Leachate Wastewater./
作者:	Ibrar, Ibrar.
面頁冊數:	1 online resource (271 pages)
附註:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
標題:	Cellulose acetate. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30610585click for full text (PQDT)
ISBN:	9798379784393

Theoretical and Experimental Work on Forward Osmosis for the Treatment of Landfill Leachate Wastewater.
Ibrar, Ibrar.

Theoretical and Experimental Work on Forward Osmosis for the Treatment of Landfill Leachate Wastewater. - 1 online resource (271 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--University of Technology Sydney (Australia), 2023.

Includes bibliographical references

Forward osmosis (FO) membrane-based desalination has attracted tremendous attention due to its numerous advantages over pressure-driven membrane processes, particularly for treating complex wastewater. However, the process is driven by osmosis or concentration differences between the feed, and the draw solutions are hindered by concentration polarization and fouling. This research investigated the theoretical and experimental work on the forward osmosis process using landfill leachate wastewater. Landfill leachate wastewater can lead to carcinogenic effects, acute toxicity, and genotoxicity among humans if leached into the groundwater or soil. Furthermore, emerging pollutants in the landfill site can contaminate soil, turning it into contaminated land. There are strict regulations regarding the maximum limits of contaminants that must be treated before being disposed of into the environment. In countries such as Australia, the problem is further exacerbated, as long drought years and occasional strong wet spells cause faster dispersion of leachate in the surrounding areas, causing surface and underground contamination. As weather patterns become more unpredictable due to the complex climate change matrix, these leaks may become more severe and frequent. The landfill leachate collected from two sites, Whyte Gully, located in Wollongong, and Hurstville Golf course, located in Hurstville, revealed hazardous contaminants, including radioactive thorium. Successfully, FO was able to reject all the contaminants in the baseline tests. However, it was noticed that traditional chemical cleaning protocols lead to low rejection of some hazardous contaminants (Nickel, Barium, magnesium, to name a few). Therefore, we proposed a novel cleaning protocol for FO membranes fouled by landfill leachate wastewater, which has no impact on membrane rejection, saves energy with in-situ static cleaning, is low cost compared to traditional chemical protocols, can be reused over and over without discharging to the environment and has high efficiency than traditional cleaning protocols such as acid cleaning, base cleaning and cleaning with other chemical agents. In the theoretical part of this thesis, we proposed a new model for measuring concentration polarisation in forward osmosis via empirical and machine learning approaches.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379784393Subjects--Topical Terms:

3695528
Cellulose acetate.
Index Terms--Genre/Form:

542853
Electronic books.

Theoretical and Experimental Work on Forward Osmosis for the Treatment of Landfill Leachate Wastewater.
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502 $a Thesis (Ph.D.)--University of Technology Sydney (Australia), 2023.
504 $a Includes bibliographical references
520 $a Forward osmosis (FO) membrane-based desalination has attracted tremendous attention due to its numerous advantages over pressure-driven membrane processes, particularly for treating complex wastewater. However, the process is driven by osmosis or concentration differences between the feed, and the draw solutions are hindered by concentration polarization and fouling. This research investigated the theoretical and experimental work on the forward osmosis process using landfill leachate wastewater. Landfill leachate wastewater can lead to carcinogenic effects, acute toxicity, and genotoxicity among humans if leached into the groundwater or soil. Furthermore, emerging pollutants in the landfill site can contaminate soil, turning it into contaminated land. There are strict regulations regarding the maximum limits of contaminants that must be treated before being disposed of into the environment. In countries such as Australia, the problem is further exacerbated, as long drought years and occasional strong wet spells cause faster dispersion of leachate in the surrounding areas, causing surface and underground contamination. As weather patterns become more unpredictable due to the complex climate change matrix, these leaks may become more severe and frequent. The landfill leachate collected from two sites, Whyte Gully, located in Wollongong, and Hurstville Golf course, located in Hurstville, revealed hazardous contaminants, including radioactive thorium. Successfully, FO was able to reject all the contaminants in the baseline tests. However, it was noticed that traditional chemical cleaning protocols lead to low rejection of some hazardous contaminants (Nickel, Barium, magnesium, to name a few). Therefore, we proposed a novel cleaning protocol for FO membranes fouled by landfill leachate wastewater, which has no impact on membrane rejection, saves energy with in-situ static cleaning, is low cost compared to traditional chemical protocols, can be reused over and over without discharging to the environment and has high efficiency than traditional cleaning protocols such as acid cleaning, base cleaning and cleaning with other chemical agents. In the theoretical part of this thesis, we proposed a new model for measuring concentration polarisation in forward osmosis via empirical and machine learning approaches.
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538 $a Mode of access: World Wide Web
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650 4 $a Osmosis. $3 3211652
650 4 $a Pollutants. $3 551065
650 4 $a Flow velocity. $3 3564851
650 4 $a Water treatment. $3 3683746
650 4 $a Water shortages. $3 3560043
650 4 $a Landfill. $3 3548474
650 4 $a Energy consumption. $3 631630
650 4 $a Thin films. $3 626403
650 4 $a Membranes. $3 1531702
650 4 $a Permeability. $3 915594
650 4 $a Desalination. $3 3681473
650 4 $a Salt. $3 865951
650 4 $a Hydraulics. $3 669758
650 4 $a Hydraulic engineering. $3 613609
650 4 $a Environmental engineering. $3 548583
650 4 $a Water resources management. $3 794747
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773 0 $t Dissertations Abstracts International $g 85-01B.
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30610585 $z click for full text (PQDT)