{"id":{"repo_id":"edithcowan","oai_identifier":"oai:ro.ecu.edu.au:theses-3040"},"canonical_url":"https://search.dev.ndltd.org/etd/edithcowan/oai:ro.ecu.edu.au:theses-3040","repository":{"repo_id":"edithcowan","name":"Edith Cowan University","base_url":"https://ro.ecu.edu.au/do/oai/"},"display":{"title":"Engineered iron oxide nanoparticle-polymer composites for the removal of dissolved arsenic and antimony","abstract":"Dissolved metalloids, such as arsenic (As), antimony (Sb) and boron (B), are often found in contaminated surface waters or groundwater. Their removal is essential for protecting the water environment. This MEngSci research project investigated the use of magnetite (Fe3O4) nanoparticle – polymethylmethacrylate (PMMA) composites, as a reusable adsorbent toremove dissolved As andSb. Comparative experiments were carried out to examine the effectiveness ofcommercial magnetite nanoparticles, lab synthesized nanoparticles, and the composites of synthesed Fe3O4nanoparticle-PMMA, for adsorbing As (III) and Sb (III) ions. The effects of major environmental and operating parameters (e.g. pH and adsorbent dosage) were investigated.Four cycles of adsorption-desorption experiment were conducted; the results demonstrating significant capability of the composites of removing the dissolved metalloids. In addition, the competitive adsorption of As and Sb to the composites was studied in batch experiments. It was found that the affinity of antimony to the adsorbents was generally greater than arsenic ions. A variety of analytical methods, such as X-Ray Diffraction (XRD), microwave plasma atomic emission spectrometry (MP-AES) and Malvern Zetasizer, were used to characterise the properties of the composites and analyze dissolved As and Sb concentrations. Details of the experimentalprocedures and results have been presented in this MEngSci thesis. Overall, this research validated: (a) a process to synthesize Fe3O4 nanoparticle-PMMA composites; and (b) the efficiency of using the composites to remove dissolved metalloids from contaminated water.","abstract_html":"Dissolved metalloids, such as arsenic (As), antimony (Sb) and boron (B), are often found in contaminated surface waters or groundwater. Their removal is essential for protecting the water environment. This MEngSci research project investigated the use of magnetite (Fe3O4) nanoparticle – polymethylmethacrylate (PMMA) composites, as a reusable adsorbent toremove dissolved As andSb. Comparative experiments were carried out to examine the effectiveness ofcommercial magnetite nanoparticles, lab synthesized nanoparticles, and the composites of synthesed Fe3O4nanoparticle-PMMA, for adsorbing As (III) and Sb (III) ions. The effects of major environmental and operating parameters (e.g. pH and adsorbent dosage) were investigated.Four cycles of adsorption-desorption experiment were conducted; the results demonstrating significant capability of the composites of removing the dissolved metalloids. In addition, the competitive adsorption of As and Sb to the composites was studied in batch experiments. It was found that the affinity of antimony to the adsorbents was generally greater than arsenic ions. A variety of analytical methods, such as X-Ray Diffraction (XRD), microwave plasma atomic emission spectrometry (MP-AES) and Malvern Zetasizer, were used to characterise the properties of the composites and analyze dissolved As and Sb concentrations. Details of the experimentalprocedures and results have been presented in this MEngSci thesis. Overall, this research validated: (a) a process to synthesize Fe3O4 nanoparticle-PMMA composites; and (b) the efficiency of using the composites to remove dissolved metalloids from contaminated water.","abstract_has_math":false,"creators":["Seyedi, Seyed Mojtaba"],"institution":"Edith Cowan University, Research Online, Perth, Western Australia","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-01-01T08:00:00Z","date_published":"2017-01-01T08:00:00Z","updated_at":"2026-07-27T19:22:38Z","subjects":["Water treatment","chemical engineering","nanoparticle metalloid removal","Arsenic","Antimony","Adsorption","Magnetic Nanoparticles","PMMA","Engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://ro.ecu.edu.au/theses/2038","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Seyedi, Seyed Mojtaba"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2017-01-01T08:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["Edith Cowan University, Research Online, Perth, Western Australia"]},{"key":"dc:type","label":"Dc Type","values":["ecu_thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Water treatment","chemical engineering","nanoparticle metalloid removal","Arsenic","Antimony","Adsorption","Magnetic Nanoparticles","PMMA","Engineering"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://ro.ecu.edu.au/theses/2038","https://ro.ecu.edu.au/context/theses/article/3040/viewcontent/Engineered_20iron_20oxide_20nanoparticle_polymer_20composites_20for_20the_20removal_20of_20dissolved_20arsenic_20and_20antimony.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Dissolved metalloids, such as arsenic (As), antimony (Sb) and boron (B), are often found in contaminated surface waters or groundwater. Their removal is essential for protecting the water environment. This MEngSci research project investigated the use of magnetite (Fe3O4) nanoparticle – polymethylmethacrylate (PMMA) composites, as a reusable adsorbent toremove dissolved As andSb. Comparative experiments were carried out to examine the effectiveness ofcommercial magnetite nanoparticles, lab synthesized nanoparticles, and the composites of synthesed Fe3O4nanoparticle-PMMA, for adsorbing As (III) and Sb (III) ions. The effects of major environmental and operating parameters (e.g. pH and adsorbent dosage) were investigated.Four cycles of adsorption-desorption experiment were conducted; the results demonstrating significant capability of the composites of removing the dissolved metalloids. In addition, the competitive adsorption of As and Sb to the composites was studied in batch experiments. It was found that the affinity of antimony to the adsorbents was generally greater than arsenic ions. A variety of analytical methods, such as X-Ray Diffraction (XRD), microwave plasma atomic emission spectrometry (MP-AES) and Malvern Zetasizer, were used to characterise the properties of the composites and analyze dissolved As and Sb concentrations. Details of the experimentalprocedures and results have been presented in this MEngSci thesis. Overall, this research validated: (a) a process to synthesize Fe3O4 nanoparticle-PMMA composites; and (b) the efficiency of using the composites to remove dissolved metalloids from contaminated water."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:source","label":"Dc Source","values":["Theses: Doctorates and Masters"]},{"key":"dc:title","label":"Title","values":["Engineered iron oxide nanoparticle-polymer composites for the removal of dissolved arsenic and antimony"]}]}],"canonical_facts":{"dc:creator":["Seyedi, Seyed Mojtaba"],"dc:date":["2017-01-01T08:00:00Z"],"dc:description":["Dissolved metalloids, such as arsenic (As), antimony (Sb) and boron (B), are often found in contaminated surface waters or groundwater. Their removal is essential for protecting the water environment. This MEngSci research project investigated the use of magnetite (Fe3O4) nanoparticle – polymethylmethacrylate (PMMA) composites, as a reusable adsorbent toremove dissolved As andSb. Comparative experiments were carried out to examine the effectiveness ofcommercial magnetite nanoparticles, lab synthesized nanoparticles, and the composites of synthesed Fe3O4nanoparticle-PMMA, for adsorbing As (III) and Sb (III) ions. The effects of major environmental and operating parameters (e.g. pH and adsorbent dosage) were investigated.Four cycles of adsorption-desorption experiment were conducted; the results demonstrating significant capability of the composites of removing the dissolved metalloids. In addition, the competitive adsorption of As and Sb to the composites was studied in batch experiments. It was found that the affinity of antimony to the adsorbents was generally greater than arsenic ions. A variety of analytical methods, such as X-Ray Diffraction (XRD), microwave plasma atomic emission spectrometry (MP-AES) and Malvern Zetasizer, were used to characterise the properties of the composites and analyze dissolved As and Sb concentrations. Details of the experimentalprocedures and results have been presented in this MEngSci thesis. Overall, this research validated: (a) a process to synthesize Fe3O4 nanoparticle-PMMA composites; and (b) the efficiency of using the composites to remove dissolved metalloids from contaminated water."],"dc:format":["application/pdf"],"dc:identifier":["https://ro.ecu.edu.au/theses/2038","https://ro.ecu.edu.au/context/theses/article/3040/viewcontent/Engineered_20iron_20oxide_20nanoparticle_polymer_20composites_20for_20the_20removal_20of_20dissolved_20arsenic_20and_20antimony.pdf"],"dc:publisher":["Edith Cowan University, Research Online, Perth, Western Australia"],"dc:source":["Theses: Doctorates and Masters"],"dc:subject":["Water treatment","chemical engineering","nanoparticle metalloid removal","Arsenic","Antimony","Adsorption","Magnetic Nanoparticles","PMMA","Engineering"],"dc:title":["Engineered iron oxide nanoparticle-polymer composites for the removal of dissolved arsenic and antimony"],"dc:type":["ecu_thesis"]},"updated_at":"2026-07-27T19:22:38Z"}