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Author : Marit Jagtoyen
Publisher :
ISBN 13 :
Total Pages : 490 pages
Book Rating : 4.:/5 (426 download)
Download or read book Synthesis of Activated Carbons by the Phosphoric Acid Activation of Wood written by Marit Jagtoyen and published by . This book was released on 1999 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Virginia Hernández Montoya
Publisher : BoD – Books on Demand
ISBN 13 : 9535101978
Total Pages : 104 pages
Book Rating : 4.5/5 (351 download)
Download or read book Lignocellulosic Precursors Used in the Synthesis of Activated Carbon written by Virginia Hernández Montoya and published by BoD – Books on Demand. This book was released on 2012-02-29 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book discusses the principal lignocellulosic precursors used in the elaboration of activated carbons in different countries such as Asia, America, Europe and Africa; the different methods and experimental conditions employed in the synthesis of activated carbons, including one analysis of the principal stages of the preparation such as carbonization and activation (i.e., chemical or physical activation). Also, the recent and more specialized techniques used in the characterization of activated carbons are discussed in this book. For example, the techniques employed to determine textural parameters (mercury porosimetry and gas adsorption isotherms at 77 K) and different spectroscopies to determine chemical functionality (Raman, FT-IR, etc.) and other X-Ray techniques. Additionally, an overview of the application of activated carbons obtained from lignocellulosic precursors for wastewater treatment. Specifically, the analysis and discussion are focused on the advantages and capabilities of activated carbons for the removal of relevant toxic compounds and pollutants from water such as heavy metals, dyes, phenol, etc. Finally, the use of pyrolysis method for the valorization of two Mexican typical agricultural wastes (orange peel and pecan nut shell) for energy and carbon production is considered in this book.
Author : Yanping Guo
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (564 download)
Download or read book Synthesis and Characterization of Activated Carbon from Lignocellulosic Materials by Phosphoric Acid Activation written by Yanping Guo and published by . This book was released on 2004 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Oliver K.L. Strong
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (132 download)
Download or read book Phosphoric Acid Chemically Activated Waste Wood: Production, Modification and Selenium Adsorption written by Oliver K.L. Strong and published by . This book was released on 2019 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activated Carbon (AC) is commonly produced by gasification, but there has been increasing interest in chemical activation due to its lower activation temperatures and higher yields. Phosphoric acid, in particular, succeeds in both these areas. Phosphoric acid activated carbon (PAC) can be environmentally sustainable, and economically favourable, when the phosphoric acid used in the activation is recycled. This thesis describes the digestion and activation of waste wood using phosphoric acid, as well as methods used to recover phosphoric acid, functionalize the produced activated carbon with iron salts and then test their efficacy on the adsorption of target analytes, selenite and selenate. In order to achieve an efficient phosphoric acid based chemical activation, further understanding of the activation process is needed. A two-step phosphoric acid activation process with waste wood feed stock was examined. The filtrate washes of the crude product and the surface composition of the produced PAC were characterized using X-ray Photoelectron Spectroscopy (XPS), Fourier Transform-Infrared spectroscopy (FT-IR), Ion Chromatography (IC), and 31P Nuclear Magnetic Resonance (NMR). XPS of the unwashed PAC contained 13.3 atomic percent phosphorous, as phosphoric acid, while the washed sample contained 1.4 atomic percent phosphorous as PO43-, and P2O74-. Using 31P NMR, phosphoric acid was identified as the primary phosphorous species in the acidic 0.1 M HCl washings, with pyrophosphates also appearing in the second 0.1 M NaOH neutralizing wash, and finally a weak signal from phosphates with an alkyl component also appearing in the DI wash. IC showed high concentrations of phosphoric acid in the 0.1 M HCl wash with progressively lower concentrations in both the NaOH and DI washes. Total phosphoric acid recovery was 96.7 % for waste wood activated with 25 % phosphoric acid, which is higher than previous literature findings for phosphoric acid activation. The surface areas of the PAC were in the 1500-1900 m2g-1 range. Both pre and post activation impregnation of iron salts resulted in iron uptake. Pre-activation resulted in only iron(III) speciation while post-activation impregnation of iron(II)chloride did result in iron(II) forming on the PAC surface. The pre-activated impregnated PAC showed little to no adsorption of selenite and selenate. The post-activation impregnated iron(II)chloride removed up to 12.45 ± 0.025 mg selenium per g Iron-PAC. Competitive ions such as sulfate and nitrate had little effect on selenium adsorption. Phosphate concentration did affect the uptake. At 250 ppm approximately 75 % of adsorption capacity of both the selenate and the selenite solutions was lost, although selenium was still preferentially adsorbed. Peak adsorption occurred between a pH of 4 and 11, with a complete loss of adsorption at a pH of 13. Author Keywords: Activated Carbon, doping, Iron, phosphoric acid, selenium.
Author : Harry Marsh
Publisher : Elsevier
ISBN 13 : 0080455964
Total Pages : 555 pages
Book Rating : 4.0/5 (84 download)
Download or read book Activated Carbon written by Harry Marsh and published by Elsevier. This book was released on 2006-07-12 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen an expansion in speciality uses of activated carbons including medicine, filtration, and the purification of liquids and gaseous media. Much of current research and information surrounding the nature and use of activated carbon is scattered throughout various literature, which has created the need for an up-to-date comprehensive and integrated review reference. In this book, special attention is paid to porosities in all forms of carbon, and to the modern-day materials which use activated carbons - including fibres, clothes, felts and monoliths. In addition, the use of activated carbon in its granular and powder forms to facilitate usage in liquid and gaseous media is explored. Activated Carbon will make essential reading for Material Scientists, Chemists and Engineers in academia and industry. - Characterization of porosity - The surface chemistry of the carbons - Methods of activation and mechanisms of adsorptio - Computer modelling of structure and porosity within carbons - Modern instrumental analytical methods
Author : Michael Niaounakis
Publisher : Elsevier
ISBN 13 : 0080461808
Total Pages : 515 pages
Book Rating : 4.0/5 (84 download)
Download or read book Olive Processing Waste Management written by Michael Niaounakis and published by Elsevier. This book was released on 2006-02-01 with total page 515 pages. Available in PDF, EPUB and Kindle. Book excerpt: Olive Processing Waste Management contains a comprehensive review of literature and patent survey concerning olive processing waste. Over 1,000 citations are presented. Wastes considered include olive cultivation solid waste, wastes arising from classical, three- and two-phase olive mills and wastes generated during table olive processing. In addition, information is presented concerning the management of spent olive oil (e.g. from cooking). The book is divided into five parts. Part I presents background information concerning the characterization of olive processing wastes, their environmental impacts if disposed untreated and the effect of utilised olive-mill technology on the quantity and quality of generated wastes. Part II presents physical, thermal, physico-chemical, biological and combined or miscellaneous processes for treating olive-mill wastes. Part III concerns information on utilization of such wastes with or without prior treatment. Part IV concentrates on table olive processing waste and presents information regarding its characterization, treatment and uses. Part V presents an economical and legislative overview regarding olive-mill waste. The book contains a bibliography, glossary of terms used in the text, subject, patent and author indices as well as pertinent internet sites and authorities. - Complete coverage of all available literature and patents concerning olive processing waste including economic and legislative issues - Critical review of up to date utilized processes concerning treatment and uses of such waste - Determination of research needs for further utilization of such wastes
Author : Roop Chand Bansal
Publisher : CRC Press
ISBN 13 : 1420028812
Total Pages : 498 pages
Book Rating : 4.4/5 (2 download)
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
Author : Shau-Tarng Lee
Publisher : CRC Press
ISBN 13 : 1135499748
Total Pages : 476 pages
Book Rating : 4.1/5 (354 download)
Download or read book Polymeric Foams written by Shau-Tarng Lee and published by CRC Press. This book was released on 2004-05-27 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the inaugural volume a series entitled Polymeric Foams: Technology and Applications. Generally, thermoplastic and thermoset foams have been treated as two separate practices in industry. Polymeric Foams: Mechanisms and Materials presents the basics of foaming in general build a strong foundation to those working in both thermoplastic a
Author : Teresa J. Bandosz
Publisher : Elsevier
ISBN 13 : 0080455956
Total Pages : 587 pages
Book Rating : 4.0/5 (84 download)
Download or read book Activated Carbon Surfaces in Environmental Remediation written by Teresa J. Bandosz and published by Elsevier. This book was released on 2006-02-27 with total page 587 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activated Carbon Surfaces in Environmental Remediation provides a comprehensive summary of the environmental applications of activated carbons. In order to understand the removal of contaminants and pollutants on activated carbons, the theoretical bases of adsorption phenomena are discussed. The effects of pore structure and surface chemistry are also addressed from both science and engineering perspectives. Each chapter provides examples of real applications with an emphasis on the role of the carbon surface in adsorption or reactive adsorption. The practical aspects addressed in this book cover the broad spectrum of applications from air and water cleaning and energy storage to warfare gas removal and biomedical applications. This book can serve as a handbook or reference book for graduate students, researchers and practitioners with an interest in filtration, water treatment, adsorbents and air cleaning, in addition to environmental policies and regulations. Addresses fundamental carbon science and how it relates to applications of carbon surfaces Describes the broad spectrum of activated carbon applications in environmental remediation Serves as a handbook or reference book for graduate students, researchers and practitioners in the field
Author : I. Faridah-Hanum
Publisher : Springer Science & Business Media
ISBN 13 : 1461485827
Total Pages : 477 pages
Book Rating : 4.4/5 (614 download)
Download or read book Mangrove Ecosystems of Asia written by I. Faridah-Hanum and published by Springer Science & Business Media. This book was released on 2013-11-01 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides an up-to-date account of mangrove forests from Asia, together with restoration techniques, and the management requirements of these ecosystems to ensure their sustainability and conservation. All aspects of mangroves and their conservation are critically re-examined. The book is divided into three sections presenting the distribution and status of mangrove ecosystems in Asia, the challenges they are facing, their issues and opportunities, and the management strategies for their conservation.
Author : H. Marsh
Publisher : Elsevier
ISBN 13 : 9780080440309
Total Pages : 328 pages
Book Rating : 4.4/5 (43 download)
Download or read book Activated Carbon Compendium written by H. Marsh and published by Elsevier. This book was released on 2001-11-29 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Activated Carbon Compendium provides a critical in-depth analysis of recent research into activated carbons, focussing on their wide-ranging applications, and the complexity and flexibility in their manufacture and use. Professor Harry Marsh has selected and reviewed 27 key papers originally published in Carbon over the last five years. The compendium represents an indispensable review of key work in the area. Areas include: The Activation Process, Modifications to Porosity, Properties of Activated carbons, Applications, Theoretical.
Author : Jiann-Yang Hwang
Publisher : Springer
ISBN 13 : 3319480936
Total Pages : 721 pages
Book Rating : 4.3/5 (194 download)
Download or read book 7th International Symposium on High-Temperature Metallurgical Processing written by Jiann-Yang Hwang and published by Springer. This book was released on 2016-12-01 with total page 721 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technology, operation, energy, environmental, analysis, and future development of the metallurgical industries utilizing high temperature processes are covered in the book. The innovations on the extraction and production of ferrous and nonferrous metals, alloys, and refractory and ceramic materials, the heating approaches and energy management, and the treatment and utilizations of the wastes and by-products are the topics of special interests. This book focuses on the following issues: •High Efficiency New Metallurgical Process and Technology Fundamental Research of Metallurgical Process •Alloys and Materials Preparation •Direct Reduction and Smelting Reduction •Coking, New Energy and Environment •Utilization of Solid Slag/Wastes and Complex Ores •Characterization of High Temperature Metallurgical Process
Author : Yulu Diao
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (41 download)
Download or read book The Production and Characterization of Activated Carbons from Cereal Grains Using Phosphoric Acid Activation written by Yulu Diao and published by . This book was released on 1998 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George Z. Kyzas
Publisher : Academic Press
ISBN 13 : 0128141794
Total Pages : 362 pages
Book Rating : 4.1/5 (281 download)
Download or read book Advanced Low-Cost Separation Techniques in Interface Science written by George Z. Kyzas and published by Academic Press. This book was released on 2019-08-24 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Low-Cost Separation Techniques in Interface Science, Volume 30 helps scientists and researchers in academia and industry gain expert knowledge on how to use separation techniques at minimal cost and energy usage. It handles a broad range of highly relevant topics, including modern flotation techniques, low-cost materials in liquid-and gas-phase adsorption, new trends in molecular imprinting, graphenes in separation, nanobubbles and biopolymers in interface science, the reuse of biomaterials, green techniques for wastewaters, and modeling in environmental interfaces. The book shows that these techniques can be both attractive for both research and industrial purposes. It is intended for chemical engineers working in wastewater treatment industries, membrane industries, pharmaceutical industries, textile or tanneries industries, hybrid-topic industries and energy industries. - Focuses on cost and energy saving separation techniques in interface science - Discusses multiple techniques, including flotation, adsorption, materials synthesis, and more - Combines, in a single source, separation techniques, advanced methodologies, and the low-cost potential of the techniques - Describes techniques that are attractive for both research and industrial purposes
Author : Emmanuel Isaac Akpan
Publisher : Springer
ISBN 13 : 3030187926
Total Pages : 454 pages
Book Rating : 4.0/5 (31 download)
Download or read book Sustainable Lignin for Carbon Fibers: Principles, Techniques, and Applications written by Emmanuel Isaac Akpan and published by Springer. This book was released on 2019-06-18 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed to provide wide understanding of lignin carbon fiber processes, chemistry, mechanisms, and techniques that will help in further development of lignin carbon fiber for automobile, aerospace, marine, and sports equipment applications. Each step in the processing of lignin carbon fibers is presented as a separate chapter so that issues concerning the processes are exhaustively discussed. Basic scientific principles governing each stage of lignin carbon fiber processing, current state of research and mechanisms behind the processes are illustrated for better understanding. This is the first book to address the entire scope of lignin carbon fiber processing including; extraction, quantification, purification, melt processing, stabilization, carbonization, optimization of processes, and characterization. Presents detailed information on the chemistry, processing, principles and properties of bio-sourced lignin for carbon fiber production; Highlights techniques of recovery and properties of lignin from agricultural waste sources; Addresses applications in automobile, aircraft, marine, and sport industries; Provides insight into the lignin complex macromolecular system, the role of lignin chemistry as it relates to carbon fiber production and the evolution of lignin carbon fiber structure during processing.
Author : Helena Jankowska
Publisher : Ellis Horwood
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.E/5 ( download)
Download or read book Active Carbon written by Helena Jankowska and published by Ellis Horwood. This book was released on 1991 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text is concerned with the production of active carbons, describing their properties based on the characteristic features of the porous and chemical structures of the surface. It provides the data needed for calculating the porous structure of active carbons using modern methods.
Author : Yulu Diao
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (415 download)
Download or read book Production of Activated Carbons from Grain Sorghum Using Phosphoric Acid Activation written by Yulu Diao and published by . This book was released on 1998 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
