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Divalent Heavy Metals Adsorption On Various Porous Materials
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Book Synopsis Divalent Heavy Metals Adsorption on Various Porous Materials by : Zeinab Ezzeddine
Download or read book Divalent Heavy Metals Adsorption on Various Porous Materials written by Zeinab Ezzeddine and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Access to sustainable and clean drinking water is a main concern as the Earth's human population continues its steady growth. Unfortunately, many of the available water resources are becoming increasingly polluted as a result of the direct discharge of industrial effluents. Heavy metals pollution, in particular, is an environmental problem of global interest due to their high toxicity, even at very low concentrations, and persistence in nature. Many methods are available for metal ions removal including adsorption which is attracting a lot of attention recently. Zeolites are well known for having very high exchange capacities. On the other hand, many researchers are studying the removal of heavy metals by modified mesoporous materials or carbonaceous adsorbents. In this thesis, the adsorption efficiencies of several materials for heavy metal removal in aqueous phase were investigated and compared to those of the faujasite NaX zeolite. Mesoporous silica SBA-15, SBA-16, KIT-6 were synthesized and modified with EDTA. Moreover, CMK-3 carbon was nano-casted from SBA-15 then the physic-chemical properties of these materials were characterized by different techniques. The effects of several experimental conditions on adsorption such as pH, contact time, temperature, metal ions concentration and the presence of competitors were studied in batch experiments. Then the efficiency of all these materials was also studied in a dynamic fixed bed reactor. Based on the obtained results, it could be said that all these materials are good candidates for divalent heavy metals removal from waste water even at low concentration. However, CMK-3 material has a high sorption capacity even in presence of competitor species.
Book Synopsis Heavy Metals Adsorption by : Ajay Kumar Goswami
Download or read book Heavy Metals Adsorption written by Ajay Kumar Goswami and published by Walter de Gruyter GmbH & Co KG. This book was released on 2022-11-07 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book reviews the state-of-the art methods developed and used to remove heavy metals. It presents both industrial waste and mineral based adsorbent as well as bio waste materials making the book absolutely a source of low cost methods available till date.
Book Synopsis Principles and Applications of Aquatic Chemistry by : François M. M. Morel
Download or read book Principles and Applications of Aquatic Chemistry written by François M. M. Morel and published by John Wiley & Sons. This book was released on 1993-03-10 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents aquatic chemistry in a way that is truly useful to those with diverse backgrounds in the sciences. Major improvements to this edition include a complete rewrite of the first three background chapters making them user-friendly. There is less emphasis on mathematics and concepts are illustrated with actual examples to facilitate understanding.
Book Synopsis Nano-Bioremediation: Fundamentals and Applications by : Hafiz M. N. Iqbal
Download or read book Nano-Bioremediation: Fundamentals and Applications written by Hafiz M. N. Iqbal and published by Elsevier. This book was released on 2021-11-10 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nano-Bioremediation: Fundamentals and Applications explores how nano-bioremediation is used to remedy environmental pollutants. The book's chapters focus on the design, fabrication and application of advanced nanomaterials and their integration with biotechnological processes for the monitoring and treatment of pollutants in environmental matrices. It is an important reference source for materials scientists, engineers and environmental scientists who are looking to increase their understanding of bioremediation at the nanoscale. The mitigation of environmental pollution is the biggest challenge to researchers and the scientific community, hence this book provides answers to some important questions. As an advanced hybrid technology, nano-bioremediation refers to the integration of nanomaterials and bioremediation for the remediation of pollutants. The rapid pace of urbanization, massive development of industrial sectors, and modern agricultural practices all cause a controlled or uncontrolled release of environmentally-related hazardous contaminants that are seriously threatening every key sphere, including the atmosphere, hydrosphere, biosphere, lithosphere, and anthroposphere. Explores the current and potential applications of nano-bioremediation in the remediation of hazardous pollutants Outlines the major properties and classes of nanomaterials that make them efficient bioremediation agents Assesses the major challenges of effectively implementing bioremediation techniques at the nanoscale
Book Synopsis Kinetics of Metal Ion Adsorption from Aqueous Solutions by : Sotira Yiacoumi
Download or read book Kinetics of Metal Ion Adsorption from Aqueous Solutions written by Sotira Yiacoumi and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is intended to provide a systematic presentation of theories concerning the adsorption of metal ions from aqueous solutions onto surfaces of natural and synthetic substances and to outline methods and procedures to estimate the extent and progress ofadsorption. As heavy metals and the problems associated with their transport and distribution are of serious concern to human health and the environment, the materials presented in this volume have both theoretical and practical significance. In writing this monograph, one ofour goals was to prepare a book useful to environmental workers and practicing engineers. For this reason, our presentation relies heavily on concepts commonly used in the environmental engineering literature. In fact, the volume was prepared for readers with a basic understanding of environmental engineering principles and some knowledge of adsorption processes. No prior familiarity with the ionic solute adsorption at solid-solution interfaces is assumed. Instead, introduction of the necessary background information was included. Generally speaking, metal ion adsorption may be studied in terms of three distinct but interrelated phenomena: surface ionization, complex formation, and the formation and presence of an electrostatic double layer adjacent to adsorbent surfaces. Analyses of these phenomena with various degrees of sophistication are xviii ADSORPTION OF METAL IONS FROM AQUEOUS SOLUTIONS presented, and their various combinations yield different models that describe metal ion adsorption.
Book Synopsis Biosorption of Heavy Metals by : Bohumil Volesky
Download or read book Biosorption of Heavy Metals written by Bohumil Volesky and published by CRC Press. This book was released on 1990-08-15 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: This state-of-the-art volume represents the first comprehensively written book which focuses on the new field of biosorption. This fascinating work conveys essential fundamental information and outlines the perspectives of biosorption. It summarizes the metal-sorbing properties of nonliving bacterial, fungal, and algal biomass, plus highlights relevant metal-binding mechanisms. This volume also discusses the aspects of obtaining and processing microbial biomass and metal-chelating chemicals into industrially applicable biosorbent products. Microbiologists, chemists, and engineers with an interest in new technological and scientific horizons will find this reference indispensable.
Book Synopsis Batch Adsorption Process of Metals and Anions for Remediation of Contaminated Water by : Deepak Gusain
Download or read book Batch Adsorption Process of Metals and Anions for Remediation of Contaminated Water written by Deepak Gusain and published by CRC Press. This book was released on 2021-03-18 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption is one of the method that is in use for remediation of contaminated water. The experimental factors affecting the batch mode of adsorption of various metals and inorganic anions are discussed in this book. The elemental contaminants have been categorized into four major categories i.e. major toxic elements; essential elements having toxicity on excessive exposure; miscellaneous elements having undetermined effects; non-toxic elements having trivial or unidentified significance. In addition, anions like nitrate, perchlorate and sulphate as water contaminants are considered. This unique volume fills a niche in the area of water treatment. Key Features: Provides practitioners with the background they need to understand and apply batch adsorption processes to the purification of water Describes the actions of adsorption capacity or percentage removal with respect to factors affecting the adsorption process Excellent source of information for those working in the industry for remediation of metals and anions Discusses the current era of Anthropocene which is highly dependent on the anthropogenic mineral sources for its sustenance
Book Synopsis Mesoporous Materials by : Manjunath Krishnappa
Download or read book Mesoporous Materials written by Manjunath Krishnappa and published by BoD – Books on Demand. This book was released on 2019-05-29 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic theme of this book is to understand the fundamentals and importance of porous functional materials, their properties, and significant applications like solar cells, batteries, photovoltaics, energy conversions, and mesoporous materials. This book covers the fundamentals of mesoporous materials, and various methods of synthesis, properties, and applications in different sectors.
Book Synopsis Heavy Metal Ion Adsorption by Coconut Shell Activated Carbon by : Deepak Kumar Dawar
Download or read book Heavy Metal Ion Adsorption by Coconut Shell Activated Carbon written by Deepak Kumar Dawar and published by Mohammed Abdul Malik. This book was released on 2024-03-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption is a process that occurs when a gas or liquid solute accumulates on the surface of a solid or a liquid (adsorbent), forming a molecular or atomic film (the adsorbate). Adsorption is operative in most natural physical, biological and chemical system and is widely used in industrial application such as activated charcoal, synthetic resins and water purification. Among these methods, adsorption is currently considered to be very suitable for waste water treatment because of its simplicity and cost effectiveness. Adsorption is commonly used technique for the removal of metal ions from various industrial effluents. It is a physicochemical process in which dissolved molecules are attached to the surface of an adsorbent by physical or chemical forces. The substance which adsorbs another substance on its surface is called as adsorbent while the substance which itself get adsorbed on the surface of another substance is called adsorbate. All adsorption performance processes are depends on solid-liquid equilibria and on mass transfer rates. If the mass transfer is in opposite direction then it is called as Desorption. Most adsorbents are highly porous materials, and adsorption takes place primarily on the walls of the pores or at the specific sites inside the particle. An adsorbent material must have a high internal volume, which is accessible to the components being removed from the solvent. Surface area and the distribution of area with respect to pore size are two very important factors in determining extent of adsorption. The overall rate of adsorption is controlled by the rate of diffusion of solute within the capillary pores of the adsorbent and varies with square root of the contact time with the adsorbent.
Book Synopsis Nanoporous Materials IV by : Abdel Sayari
Download or read book Nanoporous Materials IV written by Abdel Sayari and published by Elsevier. This book was released on 2005-05-04 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoporous Materials IV contains the invited lectures and peer-reviewed oral and poster contributions to be presented at the 4th International Symposium on Nanoporous Materials, which will be hosted in Niagara Falls, Ontario, Canada, June 7-10, 2005. This volume covers complementary approaches to and recent advances in the field of nanostructured materials with pore sizes larger than 1nm, such as periodic mesoporous molecular sieves (e.g., MCM-41 and SBA-15) and related materials including clays, ordered mesoporous carbons, colloidal crystal templated materials, porous polymers and sol gels. The broad range of topics covered in relation to the synthesis and characterization of ordered mesoporous materials are of great importance for advanced adsorption, catalytic, separation and environmental processes as well as for the development of nanotechnology. This volume contains over 120 contributions related to the synthesis of ordered mesoporous silicas, organosilicas, nonsiliceous inorganic materials, carbons, polymers and related materials, their characterization and applications in adsorption, catalysis and environmental clean up.* Unique contributions brings readers up-to-date on new research and application developments* Figures and tables supplement comprehensive topics * Extensive author and subject index
Book Synopsis Nanohybrid and Nanoporous Materials for Aquatic Pollution Control by : Lin Tang
Download or read book Nanohybrid and Nanoporous Materials for Aquatic Pollution Control written by Lin Tang and published by Elsevier. This book was released on 2018-10-12 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanohybrid and Nanoporous Materials for Aqueous Environmental Pollution Control gives a comprehensive treatment of fabrication methods and their application in environmental remediation, including adsorption, catalysis and signal transfer in pollutant detection. The design, fabrication and application of nanohybrid and nanoporous materials for environmental pollution control are described in detail, along with discussions on their synthesis, characterization, and applications in different aspects of pollutant treatment. Chapters introduce the design and synthesis of magnetic nanohybrid materials, advanced oxide process-photocatalytic degradation of environmental pollutants based on nanomaterials, and nanohybrids of iron based materials for reduction and oxidation of aqueous recalcitrant pollutant. Finally, challenges and suggestions in the application of nanomaterials for environmental pollution control are discussed, as is an analysis of the future perspective of nanomaterials for environmental application. - Presents the most up-to-date developments in this rapidly progressing field - Provides suggestions to address challenges and solve current problems related to the application of nanoporous materials - Discusses future trends and perspectives in the area of nanohybrid and nanoporous materials
Book Synopsis Milestones in Powerful Adsorbents of Heavy-Metal Ions by : Xin-Gui Li
Download or read book Milestones in Powerful Adsorbents of Heavy-Metal Ions written by Xin-Gui Li and published by Cambridge Scholars Publishing. This book was released on 2024-04-02 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt: Serious challenges instigated by pollution are driving research seeking feasible strategies for social, economic, and environmental sustainability. The fascinating science of selective adsorbents of heavy- or precious-metal pollutants such as lead, mercury, gold, and silver ions has attracted investigation by many capable materials scientists, chemists, and environmental engineers, resulting in rapidly increasing progress with time. This book reveals theoretical and practical information that will assist in the study, research, and innovations of effective adsorbents towards toxic and noble metal ions. It allows the reader to pursue an answer to this mystery through interdisciplinary scientific knowledge of material design, synthesis, and environmental purification of strong adsorbents, as has never been presented systematically before, demonstrating the nature of the unique molecular and morphological structures of the adsorbent and how to design and optimize molecular and material structures.
Book Synopsis Heavy Metal Adsorption by : Mohammad Amer
Download or read book Heavy Metal Adsorption written by Mohammad Amer and published by LAP Lambert Academic Publishing. This book was released on 2010-07 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollution in our planet by heavy metals is an important environmental problem threatening the health of human populations and natural ecosystems. Agricultural and industrial pollution release large amounts of heavy metals into the atmosphere, surface water, soil, and plants. The aim of this research work is to determine the potential of application of sodium polyphosphate modified kaolinite clay as an adsorbent for the removal of lead (II), zinc (II) and cadmium (II) ions from aqueous solutions. The adsorbent dosage, pH, temperature and contact time were investigated. The adsorption isotherms of all three metal ions followed well Langmuir equation. Modified sodium polyphosphate-kaolinite clay was found to remove heavy metal ions efficiently from aqueous solutions with selectivity in the order of Pb2+ > Zn2+ > Cd2+. The maximum heavy metal ions adsorbed by modified. The results of this study showed that the sodium polyphosphate-kaolinite clay powder can be efficiently used as a low-cost adsorbent for the removal of divalent lead, zinc and cadmium from aqueous solution.
Book Synopsis Transport of Fluids in Nanoporous Materials by : Suresh K. Bhatia
Download or read book Transport of Fluids in Nanoporous Materials written by Suresh K. Bhatia and published by MDPI. This book was released on 2019-01-25 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Transport of Fluids in Nanoporous Materials" that was published in Processes
Book Synopsis Adsorption at Natural Minerals/Water Interfaces by : Shaoxian Song
Download or read book Adsorption at Natural Minerals/Water Interfaces written by Shaoxian Song and published by Springer Nature. This book was released on 2020-10-10 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the latest research regarding the adsorption of heavy metals, toxic ions, and organic compounds at the interfaces of water/minerals, such as mineralogical characterizations, surface chemistry, and modification of natural minerals as adsorbents, as well as the adsorption of cations, anions, and organic compounds in water. Presenting findings by the authors and their co-workers, the book helps readers grasp the principals and benefits of using minerals for water treatment, as well as the advanced technologies in the area developed over last 30 years, especially the last 10 years.
Book Synopsis Heavy Metals by : Hosam El-Din M. Saleh
Download or read book Heavy Metals written by Hosam El-Din M. Saleh and published by BoD – Books on Demand. This book was released on 2018-06-27 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamental societal changes resulted from the necessity of people to get organized in mining, transporting, processing, and circulating the heavy metals and their follow-up products, which in consequence resulted in a differentiation of society into diversified professions and even societal strata. Heavy metals are highly demanded technological materials, which drive welfare and progress of the human society, and often play essential metabolic roles. However, their eminent toxicity challenges the field of chemistry, physics, engineering, cleaner production, electronics, metabolomics, botany, biotechnology, and microbiology in an interdisciplinary and cross-sectorial manner. Today, all these scientific disciplines are called to dedicate their efforts in a synergistic way to avoid exposure of heavy metals into the eco- and biosphere, to reliably monitor and quantify heavy metal contamination, and to foster the development of novel strategies to remediate damage caused by heavy metals.
Book Synopsis Green Adsorbents by : George Z. Kyzas
Download or read book Green Adsorbents written by George Z. Kyzas and published by Bentham Science Publishers. This book was released on 2015-12-01 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption technology is a promising avenue for wastewater treatment. Numerous adsorbent materials are presently synthesized. Green or environmental friendly adsorbents are derived from plants and agricultural crop sources, giving them a very low production cost when compared to synthetic polymers. This monograph explains the basic principles of green adsorption technology, their production processes and strategies to remove different categories of environmental pollutants (dyes, heavy metals and phenols/pesticides). The book explains details in terms of features such as adsorption capacity, physico-chemical kinetics and reuse potential. A summary of the economics and future prospect for green adsorption technology is also given. This text is a handy reference for environmental chemistry students, researchers and policy makers.
