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Author: Ammar H. Al-Dujaili
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845470368
Category :
Languages : en
Pages : 84
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Book Description
Adsorption of cephalexin.H2O on the surfaces of activated carbon and bentonite (which is provided locally in Iraq) was studied. The purpose of the study is searching for surfaces that are highly applicable of adsorption this compound which, taken in highly dozes, their results are some cases of poisoning. This study uses UV-Visible spectrophotometry to know the quantity of adsorption of these compounds on the employed surfaces at different conditions of temperature, pH, Ionic strength, quantity adsorbed, and particle Sizes. The shape of the isotherm obtained from the adsorption of cephalexin.H2O on bentonite and activated carbon was found to be comparable in all cases to the Freundlich and Langmuir equations was similar to S4-curve and L4- curve type according to Giles classification.The capacity of the adsorbents to adsorbing the cephalexin.H2O is in the following order: - Activated carbon
Author: Ammar H. Al-Dujaili
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845470368
Category :
Languages : en
Pages : 84
Get Book Here
Book Description
Adsorption of cephalexin.H2O on the surfaces of activated carbon and bentonite (which is provided locally in Iraq) was studied. The purpose of the study is searching for surfaces that are highly applicable of adsorption this compound which, taken in highly dozes, their results are some cases of poisoning. This study uses UV-Visible spectrophotometry to know the quantity of adsorption of these compounds on the employed surfaces at different conditions of temperature, pH, Ionic strength, quantity adsorbed, and particle Sizes. The shape of the isotherm obtained from the adsorption of cephalexin.H2O on bentonite and activated carbon was found to be comparable in all cases to the Freundlich and Langmuir equations was similar to S4-curve and L4- curve type according to Giles classification.The capacity of the adsorbents to adsorbing the cephalexin.H2O is in the following order: - Activated carbon
Author:
Publisher: ScholarlyEditions
ISBN: 146494704X
Category : Medical
Languages : en
Pages : 43
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Book Description
Cephalosporins: Advances in Research and Application: 2011 Edition is a ScholarlyPaper™ that delivers timely, authoritative, and intensively focused information about Cephalosporins in a compact format. The editors have built Cephalosporins: Advances in Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Cephalosporins in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Cephalosporins: Advances in Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Author: Serpil Edebali
Publisher: BoD – Books on Demand
ISBN: 1789848180
Category : Science
Languages : en
Pages : 220
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Book Description
At the beginning of the twenty-firstst century, separation processes presented a comprehensive application of the major operations performed by various industries, such as chemical, food, environmental, and biotechnology. Sorption, one of the preferred separation processes because of its effectiveness at different interfaces, has caught the attention of many scientists. This book is aimed at gaining a general knowledge of sorption and a number of extremely important applications, as well as recognizing its functions and paramount importance in chemical and biochemical plants, including environmental treatment. Moreover, progress in the phenomenon is highlighted in this book. To help provide instruction in the important sorption processes, we have chosen authors who have extensive industrial and academic experience in closing the gap between theory and practice. Crucial progress in the theoretical information section of sorption has been achieved, mainly through the development of new techniques that examine the usage of various sorbents, including nanomaterials for the removal of various pollutants. We have subdivided the book into several sections, one of which is focused on applications of the sorption process, which presents real results of the recent studies and gives a source of up-to-date literature. The relationship between the sorption process and isotherm and kinetics modeling is analyzed in another chapter. This book will be a reference book for those who are interested in sorption techniques from various industries.
Author: Seyedmehdi Sharifian
Publisher: Elsevier
ISBN: 044319212X
Category : Technology & Engineering
Languages : en
Pages : 545
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Book Description
Traditional and Novel Adsorbents for Antibiotics Removal from Wastewater describes, in detail, the importance of removing antibiotics from aqueous systems, along with new information on their variation, solubility, toxicology and allowable concentration in groundwater. The book covers adsorption as an applicable method, highlighting its advantages and disadvantages. It investigates various adsorbents ranging from traditional activated carbons, modified forms of clays, metal oxides, polymer resins, and more advanced materials such as graphene-based, MOF, nano-matrices, and composite materials as potential sorbents for the adsorption of antibiotics from aqueous solutions. In addition, the book covers biological microorganisms that have been used to remove antibiotics from wastewater and presents biopolymers, biowaste and living cells potentially and practically suitable for this purpose. For all adsorbents, the book explains preparation methods, main properties, modification techniques to increase antibiotic removal efficiency, mechanisms in antibiotic removal, advantages and limitations. It also presents adsorption-desorption in batch and continuous mode, optimized operating parameters, kinetic and equilibrium adsorption, and regeneration studies. Provides production and modification methods of conventional and non-conventional adsorbent materials for antibiotics adsorption from aqueous systems Considers the effects of antibiotics type and porous and chemical properties of adsorbents to improve the sorption capacity and ease of regeneration Features recent advances in the use of biowaste materials and biosorption processes for green removal of antibiotics from wastewater
Author: Inamuddin
Publisher: Springer Nature
ISBN: 3030422844
Category : Science
Languages : en
Pages : 604
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Book Description
Urbanization, industrialization, and unethical agricultural practices have considerably negative effects on the environment, flora, fauna, and the health and safety of humanity. Over the last decade, green chemistry research has focused on discovering and utilizing safer, more environmentally friendly processes to synthesize products like organic compounds, inorganic compounds, medicines, proteins, enzymes, and food supplements. These green processes exist in other interdisciplinary fields of science and technology, like chemistry, physics, biology, and biotechnology, Still the majority of processes in these fields use and generate toxic raw materials, resulting in techniques and byproducts which damage the environment. Green chemistry principles, alternatively, consider preventing waste generation altogether, the atom economy, using less toxic raw materials and solvents, and opting for reducing environmentally damaging byproducts through energy efficiency. Green chemistry is, therefore, the most important field relating to the sustainable development of resources without harmfully impacting the environment. This book provides in-depth research on the use of green chemistry principles for a number of applications.
Author: Alle Bruggink
Publisher: Springer Science & Business Media
ISBN: 9401008507
Category : Science
Languages : en
Pages : 328
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Book Description
Penicillins and cephalosporins have a long history in combating bacterial infections. Despite new infectious diseases and occurring resistance, beta-lactam antibiotics will for many years to come continue to play a prominent role in our therapeutic arsenal. This book covers the industrial development of the chemical and biochemical processes used to manufacture these products, as well as looking ahead to possible future processes. The interplay between synthetic organic chemistry with the understanding and application of enzymes, modeling of fermentation processes and integration through (bio-) chemical process engineering is illustrated. In-depth scientific approaches to biocatalysis and biocatalyst development including enzyme kinetics, enzyme crystal studies and semi-rational enzyme mutations are also presented. Metabolic pathway analysis and modeling of fermentation process are treated as well as molecular precision in synthetic approaches to beta-lactams, their precursors and derivatives. Process technology studies including new reactor concepts, possible short-cut routes and improved down-stream-processing methods complete a broad view on the scope and limitations of the presently developed industrial processes including an intriguing insight into future process possibilities. This book represents an excellent case study on the transformation of traditional, stoïchiometric, organic synthesis and classical fermentations into modern (bio-) catalysis and biosynthesis based on insights in metabolic pathways and enzyme actions.
Author: N. Vinod Chandra Menon
Publisher: Springer Nature
ISBN: 9819709105
Category :
Languages : en
Pages : 393
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Book Description
Author: Chaudhery Mustansar Hussain
Publisher: Elsevier
ISBN: 0128127937
Category : Science
Languages : en
Pages : 556
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Book Description
Nanomaterials in Chromatography: Current Trends in Chromatographic Research Technology and Techniques provides recent advancements in the wide variety of chromatographic techniques applied to nanotechnology. As nanomaterials’ unique properties can improve detection sensitivity and miniaturize the devices used in analytical procedures, they can substantially affect the evaluation and analysis ability of scientists and researchers and foster exciting developments in separation science. The book includes chapters on such crucial topics as the use of nanomaterials in sample preparation and the legalization of nanomaterials, along with a section on reducing the cost of the analysis process, both in terms of chemicals and time consumption. Presents several techniques for nanomaterials in chromatography, including well-known materials like carbon nanomaterials and functionalized nanomaterials Includes suggested readings at the end of each chapter for those who need further information or specific details, from standard handbooks, to journal articles Covers not only applications of nanomaterials in chromatography, but also their environmental impact in terms of toxicity and economic effects
Author: Enrique Rodríguez-Castellón
Publisher: MDPI
ISBN: 3038979686
Category : Science
Languages : en
Pages : 168
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Book Description
This book is a special collection of articles dedicated to the preparation and characterization of nanoporous materials, such as zeolitic-type materials, mesoporous silica (SBA-15, MCM-41, and KIT-6), mesoporous metallic oxides, metal–organic framework structures (MOFs), and pillared clays, and their applications in adsorption, catalysis, and separation processes. This book presents a global vision of researchers from international universities, research centers, and industries working with nanoporous materials and shares the latest results on the synthesis and characterization of such materials, which have given rise to the special interest in their applications in basic and industrial processes.
Author: Pardeep Singh
Publisher: John Wiley & Sons
ISBN: 1119737613
Category : Technology & Engineering
Languages : en
Pages : 320
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Book Description
Pollution due to various anthropogenic activities continues to increase. In terms of water pollutants, organic and inorganic pollutants are the most problematic. Although several measures have been proposed and implemented to prevent or reduce contamination, their increased concentration in water bodies has created serious concerns. Over the years, the problem has been aggravated by industrialization, urbanization and the exploitation of natural resources. The direct discharge of wastewater contaminants and their geographical mobilization have caused an increase in concentration in ground, surface, fluvial and residual waters. Extensive information about detection and disposal methods is needed in order to develop technological solutions for a variety of environments, both urban and rural. This book provides up-to-date information on wastewater contaminants, aimed at researchers, engineers and technologists working in this field. Conventional physicochemical techniques used to remove contaminants from wastewater include ion exchange, precipitation, degradation, coagulation, coating, membrane processes and adsorption. However, these applications have technological and economic limitations, and involve the release of large amounts of chemical reagents and by-products that are themselves difficult to remove. Biosorption - the use of organically generated material as an adsorbent – is attracting new research and scholarship. Thermally-treated calcined biomaterials may be treated to remove heavy metals from wastewater. To ensure the elimination of these contaminants, existing solutions must be integrated with intelligent biosorption functions. Biosorption for Wastewater Contaminants will find an appreciative audience among academics and postgraduates working in the fields of environmental biotechnology, environmental engineering, wastewater treatment technology and environmental chemistry.
