Please use this identifier to cite or link to this item: http://hdl.handle.net/10603/546587
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dc.date.accessioned2024-02-21T12:11:41Z-
dc.date.available2024-02-21T12:11:41Z-
dc.identifier.urihttp://hdl.handle.net/10603/546587-
dc.description.abstractIndia, the second-largest crude steel producer globally, possesses significant iron ore resources, mainly hematite (Fe2O3) and magnetite (Fe3O4). With iron content ranging from 25% to 45%, these deposits are ideal for efficient extraction and steel production. However, the escalating demand for iron ore, driven by the National Steel Policy 2017, depletes high-quality deposits and generates substantial quantities of iron ore tailings. Iron ore tailings, comprising 10-25% of the run of mine (R.O.M) material, are discarded during processing due to their complex mineral composition and the need for effective beneficiation methods. These tailings contain micro-fines with 48-62% Fe, along with gangue minerals like alumina and silica. Insufficient maintenance of tailings dams and the accumulation of waste minerals have led to catastrophic failures, impacting global iron ore trade and raising environmental concerns. To address this, researchers have explored alternative uses for iron ore tailings, such as adsorption processes, ceramic tile production, and synthesis of magnetite nanoparticles. Utilising tailings as an iron precursor for nanoparticle synthesis has gained significant attention due to the wide-ranging applications of these nanoparticles in electronics, medicine, and environmental remediation. This thesis focuses on a straightforward, efficient, and environmentally benign process for synthesising photocatalytic nanocomposites using iron ore tailings as an iron precursor. By repurposing waste material, the need for additional iron precursors is eliminated. This study presents a scalable method for preparing iron-based nanoparticles from waste material without requiring additional iron precursors. The synthesised nanocomposites exhibit optical, magnetic, and photocatalytic properties, enabling efficient degradation of industrial dyes. The stability and reusability of the photocatalyst are also investigated from economic and environmental perspectives.
dc.format.extent304
dc.languageEnglish
dc.relation
dc.rightsself
dc.titleDesign of Semiconductor Nanocrystals from Low Grade Iron Ore for Environmental Remediation
dc.title.alternative
dc.creator.researcherMuthaimanoj, P
dc.subject.keywordEngineering and Technology
dc.subject.keywordMaterial Science
dc.subject.keywordMining and Mineral Processing
dc.description.note
dc.contributor.guideMukhopadhyay, Sudipta
dc.publisher.placeShibpur
dc.publisher.universityIndian Institute of Engineering Science and Technology, Shibpur
dc.publisher.institutionMining Engineering
dc.date.registered2016
dc.date.completed2023
dc.date.awarded2023
dc.format.dimensions29 cm
dc.format.accompanyingmaterialNone
dc.source.universityUniversity
dc.type.degreePh.D.
Appears in Departments:Mining Engineering

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01_title.pdfAttached File91.36 kBAdobe PDFView/Open
02_prelim pages.pdf2.3 MBAdobe PDFView/Open
03_contents.pdf456.63 kBAdobe PDFView/Open
04_abstract.pdf467.55 kBAdobe PDFView/Open
05_chapter 1.pdf464.64 kBAdobe PDFView/Open
06_chapter 2.pdf1.07 MBAdobe PDFView/Open
07_chapter 3.pdf1.29 MBAdobe PDFView/Open
08_chapter 4.pdf1.25 MBAdobe PDFView/Open
09_chapter 5.pdf1.15 MBAdobe PDFView/Open
10_annexure.pdf3.5 MBAdobe PDFView/Open
11_chapter 6.pdf1.31 MBAdobe PDFView/Open
80_recommendation.pdf390.58 kBAdobe PDFView/Open


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