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Author: Adedirin Oluwaseye
Publisher: LAP Lambert Academic Publishing
ISBN: 9783848494071
Category :
Languages : en
Pages : 132
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Book Description
This book, Removal of Heavy Metals from aqueous Systems, is a complete, up-to-date book on different methods employed to remove metal ions from aqueous solution. The topics in this book are properly treated and presented in such a way that facilitate easy comprehension. The chapters are attractively arranged and emphasis has been placed on the use of immobilized bacterial cells such as Escherichia coli and Bacillus subtilis on agarose to remove heavy metals from aqueous solution in a phenomenon known as biosorption. What makes this book unique is its practical approach through experiment and the use of various mathematical relation(isotherms) to explain the adsorption process. Chemistry and chemical engineering student at BSc. and MSc. level will find this book handy in the same ways teacher will benefit from it
Author: Adedirin Oluwaseye
Publisher: LAP Lambert Academic Publishing
ISBN: 9783848494071
Category :
Languages : en
Pages : 132
Get Book Here
Book Description
This book, Removal of Heavy Metals from aqueous Systems, is a complete, up-to-date book on different methods employed to remove metal ions from aqueous solution. The topics in this book are properly treated and presented in such a way that facilitate easy comprehension. The chapters are attractively arranged and emphasis has been placed on the use of immobilized bacterial cells such as Escherichia coli and Bacillus subtilis on agarose to remove heavy metals from aqueous solution in a phenomenon known as biosorption. What makes this book unique is its practical approach through experiment and the use of various mathematical relation(isotherms) to explain the adsorption process. Chemistry and chemical engineering student at BSc. and MSc. level will find this book handy in the same ways teacher will benefit from it
Author: Sotira Yiacoumi
Publisher: Springer Science & Business Media
ISBN: 1461523192
Category : Science
Languages : en
Pages : 239
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Book Description
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.
Author: Saini, Pinki
Publisher: IGI Global
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 390
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Book Description
Persistent and non-degradable, heavy metals stand as pollutants with the potential for severe ecological repercussions when released into the environment. Municipal and industrial wastewater face a high risk of contamination by these hazardous substances, posing a formidable challenge to water treatment technologies. The imperative is clear: effective and affordable methods for effluent treatment and metal recovery are essential for meeting regulatory standards and unlocking the latent value of valuable metals within the waste. However, new methods of accomplishing this challenge are necessary for increasing the effectiveness in both cost and application Biosorption Processes for Heavy Metal Removal comprehensively explores the imperative to remove heavy metals from waste streams. It provides an insightful overview of biosorbents and biosorption technology, focusing on their underlying biosorption features. The compilation within this book comprises of a series of review articles delving into the current understanding of biosorption mechanisms and biochemistry, the efficacy of bacterial, fungal, and algal biomass, and practical considerations for biosorbent preparation and engineering. The physicochemical evaluations of biosorbents, process optimization, and factors influencing biosorption efficiency are also covered. Furthermore, the book explores biosorption applications for removing nutrients, organic pollutants, and metals in wastewater treatment across diverse contexts. Geared towards administrators, policymakers, consultants, industry professionals, academicians, scientists, researchers, and graduate and post-graduate students in environmental sciences and related fields, this book serves as their comprehensive reference.
Author: P.H. Tewari
Publisher: Springer Science & Business Media
ISBN: 1461332648
Category : Science
Languages : en
Pages : 253
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Book Description
Adsorption from aqueous solutions is important in many tech nological areas, like water purification, mineral beneficiation, soil conservation, detergency, and many areas of biology. Recently, adsorption of radionuclides from aqueous solutions has become the focus of attention in assessing the movement of radionuclides through a geologic medium from underground radioactive waste repositor ies. This volume provides a multidisciplinary overview of current work in the area of adsorption from aqueous solutions, and reviews the progress that has been made in the theoretical models for assessing adsorption. Adsorption of heavy metal ions and the effect of complex formation is treated extensively, as are the effects of surface chemical properties of the adsorbent, solution pH, and thermodynamic parameters important in the adsorption process. Adsorption of pesticides and organic polymeric species on different adsorbents are included and implications of adsorption of ions on dental materials are discussed. Also included are studies of the adsorption of radionuclides by geologic media under environmental conditions. The study of the chemical nature of the adsorbed species at the surface by X-ray photoelectron spectro sc.opy which often provides mechanistic information for the adsorption process is included for adsorbed metal ions on clay and mineral surfaces.
Author: Sanjay K Sharma
Publisher: Royal Society of Chemistry
ISBN: 1782620176
Category : Science
Languages : en
Pages : 381
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Book Description
Contamination of drinking water is a worldwide problem, and ongoing work is taking place across the globe to address the issues affecting this precious commodity. Focussing on the presence of heavy metals in water, this book addresses the opportunities and challenges of this important area of research. Written and edited by experts working within the area the book highlights new techniques and research methodologies used to treat the widespread issue of dissolved heavy metals in drinking water supplies. The text covers a wide range of topics, including biofilterations, use of nanotechnology against heavy metals, removal of heavy metals using industrial and agricultural waste, use of surfactants, soil degradation and removal of dyes and pigments from industrial effluents. Providing an up-to-date treatise on this developing field, this text will be essential reading for water and environmental scientists, toxicologists, biochemists and regulators, and anyone interested in the treatment and decontamination of the World's drinking water supplies.
Author: Mohammad Amer
Publisher: LAP Lambert Academic Publishing
ISBN: 9783838380261
Category :
Languages : en
Pages : 128
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Book Description
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.
Author: Mohamed Farid Ghanayem
Publisher:
ISBN:
Category : Sewage
Languages : en
Pages : 382
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Book Description
Author: Jayant K Singh
Publisher: CRC Press
ISBN: 1351272519
Category : Science
Languages : en
Pages : 316
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Book Description
This book covers theoretical aspects of adsorption, followed by an introduction to molecular simulations and other numerical techniques that have become extremely useful as an engineering tool in recent times to understand the interplay of different mechanistic steps of adsorption. Further, the book provides brief experimental methodologies to use, test, and evaluate different types of adsorbents for water pollutants. Through different chapters contributed by accomplished researchers working in the broad area of adsorption, this book provides the necessary fundamental background required for an academician, industrial scientist or engineer to initiate studies in this area. Key Features Explores fundamentals of adsorption-based separation Provides physical insight into aqueous phase adsorption Includes theory, molecular and mesoscopic level simulation techniques and experiments Describes molecular simulations and lattice-Boltzmann method based models for aqueous phase adsorption Presents state-of-art experimental works particularly addressing removal of "emerging pollutants" from aqueous phase
Author: Bohumil Volesky
Publisher: CRC Press
ISBN: 9780849349171
Category : Science
Languages : en
Pages : 414
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Book Description
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.
Author: Inamuddin
Publisher: Springer Nature
ISBN: 3030524213
Category : Technology & Engineering
Languages : en
Pages : 591
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Book Description
Pollution of waters by toxic metals is accelerating worldwide due to industrial and population growth, notably in countries having poor environmental laws, resulting in many diseases such as cancer. Classical remediation techniques are limited. This books reviews new, advanced or improved techniques for metal removal, such as hybrid treatments, nanotechnologies and unconventional adsorbents, e.g. metal-organic frameworks. Contaminants include rare earth elements, arsenic, lead, cadmium, chromium, copper and effluents from the electronic, textile, agricultural and pharmaceutical industries.
