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.
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.
Download or read book Adsorption Technique for Removed of Heavy Metal Ions written by Dr. Anil Rameshwar Somwanshi and published by Ashok Yakkaldevi. This book was released on 2022-10-18 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water is generally obtained from two principal natural sources: surface water such as fresh water lakes, rivers, streams and groundwater such as borehole water. Water is one of the essentials that support all forms of plant and animal life and it has unique chemical properties due to its polarity and hydrogen bond which means it is able to dissolve, absorb, adsorb or suspend many different compounds. Groundwater is the major source of drinking water in the world because of its availability and constant quality [1-3]. Groundwater is also the preferred source of drinking water in rural areas, particularly in developing countries, because no treatment is often required and the water source is often located near consumers. However, in nature, water is not pure as it acquires contaminants from its surroundings and those arising from humans and animals as well as other biological activities
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 123 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.
Download or read book Kinetics and Mechanisms of Adsorption of Heavy Metal Ions on Activated Carbon written by Chieh-Chien Lin and published by . This book was released on 1979 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Adsorption of Heavy Metal Ion Species from Aqueous Solution in Activated Carbon written by Yong Feng Jia and published by . This book was released on 2000 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Activated Carbon Adsorption written by Roop Chand Bansal and published by CRC Press. This book was released on 2005-05-24 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption
Download or read book High Risk Pollutants in Wastewater written by Xuxiang Zhang and published by Elsevier. This book was released on 2019-11-01 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Risk Pollutants in Wastewater presents the basic knowledge regarding the diversity, concentrations, and health and environmental impacts of HRPs in municipal wastewater. The book summarizes information on the types (e.g. heavy metals, toxic organics and pathogens) and toxicities of HRPs in wastewater. In addition, it describes ecological and health hazards arising from the living things' direct/indirect contacts with the HRPs during their full lifecycles (generation, disposal, discharge and reuse) in wastewater or water environments. Sections cover the concepts of appropriate technology for HRP hazard/risk assessment and wastewater treatment/reuse and the issues of strategy and policy for increasing risk control coverage. Finally, the book focuses on the resolution of water quality monitoring, wastewater treatment and disposal problems in both developed and developing countries. - Presents information on HRPs and their risk assessment and control technologies - Provides basic knowledge regarding the diversity, concentrations, and health and environmental impacts of HRPs in municipal wastewater - Summarizes information on the types (e.g. heavy metals, toxic organics and pathogens) and toxicities of HRPs in wastewater
Download or read book Decontamination of Heavy Metals written by Jiaping Paul Chen and published by CRC Press. This book was released on 2012-12-18 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heavy metals, such as lead, chromium, cadmium, zinc, copper, and nickel, are important constituents of most living organisms, as well as many nonliving substances. Some heavy metals are essential for growth of biological and microbiological lives, yet their presence in excessive quantities is harmful to humans and interferes with many environmental
Download or read book Focus on Environmental Research written by Emma B. Davis and published by Nova Publishers. This book was released on 2006 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The environment is considered the surroundings in which an organism operates, including air, water, land, natural resources, flora, fauna, humans and their interrelation. It is this environment, which is both so valuable, on the one hand, and so endangered on the other. And it is people which are by and large ruining the environment both for themselves and for all other organisms. This book reviews the latest research in this field, which is vital for everyone.
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.
Download or read book Heavy Metal Toxicity written by Nitish Kumar and published by Springer Nature. This book was released on with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Composite Nanoadsorbents written by George Z. Kyzas and published by Elsevier. This book was released on 2018-11-30 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite Nanoadsorbents discusses the most recent advances in the field, including promising techniques for waste water decontamination and the advantages and drawbacks of nanoadsorbents in these applications. The implications of nanoadsorbents to public health and future developments for facilitating environmental sustainability are also discussed. New approaches for nanomaterials are analyzed, focusing on the effect of nanotechnology in adsorption applications. The effectiveness of nanosized materials is evaluated, along with cost factors and new synthesis routes of composite nanomaterials. Combining the areas of nanotechnology, adsorption, and composite surface chemistry, the synthesis, modifications and applications of nanotechnology in the adsorption process are demonstrated. Edited by a prolific expert in the field, this book will be a valuable resource for researchers, postgraduate students and professionals in the fields of nanotechnology, adsorption and materials synthesis. - Bridges the gap between theory and application of composite nanoadsorbents - Provides an understanding of the benefits of nanoadsorbents and their cost, efficiency and novelty - Includes material on inorganic nanoadsorbents and carbon nanotubes
Download or read book Sustainable Heavy Metal Remediation written by Eldon R. Rene and published by Springer. This book was released on 2017-10-13 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an assortment of case-studies pertaining to the use of sustainable technologies for heavy metal removal and recovery from mining and metallurgical wastes, construction and demolition wastes, spent catalysts and electronic wastes. Wastewaters from diverse industrial and mining activities have caused pollution problems, but these sectors also serve as a hotspot for metal recovery. Several metal removal technologies based on physical, chemical and biological processes have been successfully implemented in full-scale operation, while metal recovery, which is beneficial for economic and environmental reasons, is still limited due to challenges arising from downstream processing. For instance, microbial recovery (bioleaching) of metals from their ores is an established technology with a number of full-scale applications. Bioleaching of electronic wastes to recover metals is also a highly promising technology with low environmental impact and high cost-effectiveness; yet, this technology is still at its infancy. As the individual chapters of this book focuses on the applications and limitations of different technologies, this book will serve as an excellent resource for chemical engineers, environmental engineers, mining engineers, biotechnologists, graduate students and researchers in these areas.
Download or read book Chemical Equilibria in Soils written by Willard Lyman Lindsay and published by . This book was released on 2001 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book's objective is to bridge the gap between soil science and soil chemistry and to show that most reactions taking place in soils can be understood and predicted from basic chemical relationships.
Download or read book Progress in Nanoscale and Low Dimensional Materials and Devices written by Hilmi Ünlü and published by Springer Nature. This book was released on 2022-10-18 with total page 939 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes most recent progress in the properties, synthesis, characterization, modelling, and applications of nanomaterials and nanodevices. It begins with the review of the modelling of the structural, electronic and optical properties of low dimensional and nanoscale semiconductors, methodology of synthesis, and characterization of quantum dots and nanowires, with special attention towards Dirac materials, whose electrical conduction and sensing properties far exceed those of silicon-based materials, making them strong competitors. The contributed reviews presented in this book touch on broader issues associated with the environment, as well as energy production and storage, while highlighting important achievements in materials pertinent to the fields of biology and medicine, exhibiting an outstanding confluence of basic physical science with vital human endeavor. The subjects treated in this book are attractive to the broader readership of graduate and advanced undergraduate students in physics, chemistry, biology, and medicine, as well as in electrical, chemical, biological, and mechanical engineering. Seasoned researchers and experts from the semiconductor/device industry also greatly benefit from the book’s treatment of cutting-edge application studies.
Download or read book Remediation of Heavy Metals written by Rangabhashiyam Selvasembian and published by John Wiley & Sons. This book was released on 2024-03-25 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meet the challenge of contaminated soil with a range of sustainable tools The remediation of soils which have been polluted by trace metals is an increasingly significant environmental challenge in an industrialized global economy. The ongoing revolution in green technologies, however, has seen a range of sustainable methods emerge for remediating soils, water, and other aspects of the environment polluted by trace metals. By putting them into practice, environmental researchers and industrial professionals will be able to improve soil and groundwater quality and public health globally. Remediation of Heavy Metals offers a clear, accessible reference on these methods and their applications. It offers an overview of the major effects of heavy metal contamination and works through each of the methods or protocols available to remediate soil and minimize pollution at the source. Remediation of Heavy Metals readers will also find: Comparison of different absorption materials for heavy metal removal Detailed discussion of physical, chemical, and biological remediation methods Case studies demonstrating proper remediation Remediation of Heavy Metals provides key knowledge for environmental scientists, environmental toxicologists, and other researchers or industrial professionals working in soil remediation, as well as advanced graduate students in these areas.
