Magnetic Separation For Environmental Remediation
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Magnetic Separation For Environmental Remediation
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Author :
language : en
Publisher:
Release Date : 1994
Magnetic Separation For Environmental Remediation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
High Gradient Magnetic Separation Applied To Environmental Remediation
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Author :
language : en
Publisher:
Release Date : 1993
High Gradient Magnetic Separation Applied To Environmental Remediation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
High Gradient Magnetic Separation (HGMS) is an application of superconducting magnet technology to the separation of magnetic solids from other solids, liquids, or gases. The production of both high magnetic fields (>4 T) and large field gradients using superconducting magnet technology has made it possible to separate a previously unreachable but large family of paramagnetic materials. This is a powerful technique that can be used to separate widely dispersed contaminants from a host material and may be the only technique available for separating material in the colloidal state. Because it is a physical separation process, no additional waste is generated. We are applying this technology to the treatment of radioactive wastes for environmental remediation. We have conducted tests examining slurries containing nonradioactive, magnetic surrogates. Results from these studies were used to verify our analytical model of the separation process. The model describes the rate process for magnetic separation and is based on a force balance on the paramagnetic species. This model was used to support bench scale experiments and prototype separator design.
Separating Pro Environment Technologies For Waste Treatment Soil And Sediments Remediation
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Author : Vincenzo Gente
language : en
Publisher: Bentham Science Publishers
Release Date : 2012-11-29
Separating Pro Environment Technologies For Waste Treatment Soil And Sediments Remediation written by Vincenzo Gente and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-29 with Technology & Engineering categories.
The removal of contaminants and pollutants from natural or valuable materials is a critical issue in environmental management and conservation. Fundamentally, the procedure consists of measures employed to separate what is good (recyclable materials, soil and sediments) from what is bad (non recyclable materials, contaminants). A perspective of current technologies developed for mineral processing is of great assistance for finding appropriate solutions for different environmental situations. The liberation and separation processes adopted to recover valuable minerals from a gangue are, in principle, the same processes that can be applied to waste materials for recovering useful materials and to soil and sediments to reduce contamination. Separating Pro-Environment Technologies for Waste Treatment, Soil and Sediments Remediation investigates how technologies for separation, that take origin form mineral processing, have improved and evolved when applied to waste treatment and soil and sediment remediation.
Magnetic Separation Nanotechnology For Wastewater Treatment And Used Nuclear Fuel Recycle
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Author : Huijin Zhang
language : en
Publisher:
Release Date : 2016
Magnetic Separation Nanotechnology For Wastewater Treatment And Used Nuclear Fuel Recycle written by Huijin Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Sewage categories.
Magnetic separation nanotechnology is an upcoming technology in the field of wastewater and nuclear waste treatment and environmental remediation for heavy metal and radioactive contaminants. Traditional separation methods such as centrifugation and filtration are usually labor-consumptive, uneconomical and thus impractical for large-scale water treatment. From this point of view, magnetic nanosorbents exhibit special superiority due to convenient separation by an external magnetic field. Other advantages of magnetic nanosorbents are low inventory utilization of nanosorbents, enhanced metal sorption efficiency and selectivity, and low production of secondary waste. This dissertation presents the study on our lab-made magnetic nanosorbents (referred to as dMNP-DTPA)---double coated magnetic nanoparticles (dMNP) coupled with diethylene triamine pentaacetic acid (DTPA) and their potential to be used as effective sorbent materials to remove metal ions (bivalent heavy metals and trivalent lanthanides) from aqueous solutions. The metal sorption results show that the magnetic nanosorbents developed in our study possess a high stability, fast kinetics, and high sorption efficiency in harsh environments. The metal sorption on the dMNP-DTPA nanosorbents is reversible so that the metal-loaded dMNP-DTPA can be fast and effectively regenerated by the dilute acids. The sorption/desorption cycle experiments demonstrate that the dMNP-DTPA nanosorbents can be reused for a long time which helps to offset the synthesis cost and makes this technique cost-effective. To better explore the dynamic behavior of MNPs in a continuous flow, a simulation tool, Computational Fluid Dynamics (CFD), is applied in this study. The CFD models will help us to design a separation system that can be operated under continuous flow conditions.
Magnetic Nanostructures
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Author : Kamel A. Abd-Elsalam
language : en
Publisher: Springer
Release Date : 2019-05-23
Magnetic Nanostructures written by Kamel A. Abd-Elsalam and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-23 with Science categories.
Recently, magnetic nanostructures have gained a remarkable interest for basic research and applied studies. Because of their low cost and ease of manufacture and modification, they have great potential for agricultural and environmental applications. The use of magnetic nanostructures has been proven in a wide range of fields including catalysis, biotechnology, biomedicine, magnetic resonance imaging, agriculture, biosensors, and removal of environmental pollutants, among others. This book includes 16 chapters of collected knowledge, discoveries, and applications in agriculture, soil remediation, and water treatment. It describes the role of nano-agriculture with regard to food security and discusses environmental and agricultural protection concerns. It further offers potential applications of magnetic nanomaterials in the agriculture and food sectors, such as the development of sensors, environment monitoring for wastewater treatment and the remediation of contaminated soils. Increasing crop yield through the use of nanopesticides or nanofertilizers and biosecurity using sensors for detecting pathogens along the entire food chain are discussed as well. This book also brings together various sources of expertise on different aspects magnetic nanostructure application in the agri-food sector and environment remediation. Magnetic nanostructures also have great potential in biotechnological processes, as they can be utilized as a carrier for enzymes during different biocatalytic transformations. Novel magnetic nanomaterials can be used for detection and separation of pesticides from environmental and biological samples. The excellent adsorption capacity of the modified magnetic nanoadsorbents together with other advantages such as reusability, easy separation, environmentally friendly composition, and freedom of interferences of alkaline earth metal ions make them suitable adsorbents for removal of heavy metal ions from environmental and industrial wastes. One of the most important environmental applications of magnetic nanostructures has been in the treatment of water, whether in the remediation of groundwater or through the magnetic separation and/or sensing of contaminants present in various aqueous systems. The integrated combination of these 16 chapters, written by experts with considerable experience in their area of research, provides a comprehensive overview on the synthesis, characterization, application, environmental processing, and agriculture of engineered magnetic nanostructures. Its comprehensive coverage discusses how nanostructure materials interact in plants as well as their potential and useful applications.
Design Of Materials And Technologies For Environmental Remediation
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Author : Shunitz Tanaka
language : en
Publisher: Springer Nature
Release Date : 2023-01-01
Design Of Materials And Technologies For Environmental Remediation written by Shunitz Tanaka and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-01 with Science categories.
This book describes environmental remediation technologies to remove pollutants from the environment and the environmental materials used for remediation. The focus is on the functional design of environmental materials, especially to create materials for coping with a variety of pollutants in different concentrations and conditions. The authors present research highlights from their work in this area and aim to inspire the development of new concepts in environmental remediation. This work is a must-read for practitioners who are exploring restoration technologies and materials for solving environmental pollution as well as researchers and graduate students studying environmental remediation. A number of Asian researchers who have been engaged in these studies are among the authors, and this book will contribute to solving pollution problems in Asia as well as the rest of the world.
The Development Of Magnetic Particle Technology For Application To Environmental Remediation
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Author : Lawrence Ngeh
language : en
Publisher:
Release Date : 2002
The Development Of Magnetic Particle Technology For Application To Environmental Remediation written by Lawrence Ngeh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Environmental engineering categories.
Photocatalytic Functional Materials For Environmental Remediation
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Author : Alagarsamy Pandikumar
language : en
Publisher: John Wiley & Sons
Release Date : 2019-06-10
Photocatalytic Functional Materials For Environmental Remediation written by Alagarsamy Pandikumar and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-10 with Science categories.
A comprehensive volume on photocatalytic functional materials for environmental remediation As the need for removing large amounts of pollution and contamination in air, soil, and water grows, emerging technologies in the field of environmental remediation are of increasing importance. The use of photocatalysis—a green technology with enormous potential to resolve the issues related to environmental pollution—breaks down toxic organic compounds to mineralized products such as carbon dioxide and water. Due to their high performance, ease of fabrication, long-term stability, and low manufacturing costs, photofunctional materials constructed from nanocomposite materials hold great potential for environmental remediation. Photocatalytic Functional Materials for Environmental Remediation examines the development of high performance photofunctional materials for the treatment of environmental pollutants. This timely volume assembles and reviews a broad range of ideas from leading experts in fields of chemistry, physics, nanotechnology, materials science, and engineering. Precise, up-to-date chapters cover both the fundamentals and applications of photocatalytic functional materials. Semiconductor-metal nanocomposites, layered double hydroxides, metal-organic frameworks, polymer nanocomposites, and other photofunctional materials are examined in applications such as carbon dioxide reduction and organic pollutant degradation. Providing interdisciplinary focus to green technology materials for the treatment of environmental pollutants, this important work: Provides comprehensive coverage of various photocatalytic materials for environmental remediation useful for researchers and developers Encompasses both fundamental concepts and applied technology in the field Focuses on novel design and application of photocatalytic materials used for the removal of environmental contaminates and pollution Offers in-depth examination of highly topical green-technology solutions Presents an interdisciplinary approach to environmental remediation Photocatalytic Functional Materials for Environmental Remediation is a vital resource for researchers, engineers, and graduate students in the multi-disciplinary areas of chemistry, physics, nanotechnology, environmental science, materials science, and engineering related to photocatalytic environmental remediation.
Magnetic Separation Of Ores
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Author : Reginald Scott Dean
language : en
Publisher:
Release Date : 1941
Magnetic Separation Of Ores written by Reginald Scott Dean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1941 with Technology & Engineering categories.
Environmental Remediation 91
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Author : United States. Department of Energy. Environmental Restoration Conference
language : en
Publisher:
Release Date : 1991
Environmental Remediation 91 written by United States. Department of Energy. Environmental Restoration Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Environmental protection categories.