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Author : Hamzah Fansuri
Publisher :
ISBN 13 : 9781921524066
Total Pages : 98 pages
Book Rating : 4.5/5 (24 download)
Download or read book Manufacture of Low-grade Zeolites from Fly Ash for Fertiliser Applications written by Hamzah Fansuri and published by . This book was released on 2008 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bhagwanjee Jha
Publisher : Springer
ISBN 13 : 9811014043
Total Pages : 233 pages
Book Rating : 4.8/5 (11 download)
Download or read book Fly Ash Zeolites written by Bhagwanjee Jha and published by Springer. This book was released on 2016-05-27 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a thorough review of the state-of-knowledge and recent innovations in the synthesis of pure and improved grades of fly ash zeolites (FAZ). Addressing improvements to conventional methods, it also showcases a novel technique for the synthesis of high cation exchangers from fly ash and detailed characterization techniques for the products obtained. In addition, it examines in detail various areas of specific applications of fly ash zeolites. Over the years, several methods such as hydrothermal, fusion prior to hydrothermal, microwave assisted hydrothermal and molten salt techniques for producing FAZ have been developed. However, one-step and two-step reactions between the fly ash and alkali usually generate alkaline wastes that may cause environmental contamination. In addition, the separation of FAZ from the partially activated fly ash (the impurities) remains a major concern for researchers and industrialists alike. /divIn view of these challenges, this book presents a novel technique for three-step activation (TSA), which focuses on recycling the fly ash-NaOH-water reaction by-products until zeolitic residue is formed. The FAZ (the final residue after third step reactions) synthesized in this manner exhibits exceptionally high cation exchange capacity, specific surface area and pore area. This book offers a comprehensive compendium of reading material on fly ash and its recycled product, the zeolites. Students at both undergraduate and graduate levels, researchers, and practicing engineers will all find this book to be a valuable guide in their respective fields.
Author : Kamel A Abd-Elsalam
Publisher : Elsevier
ISBN 13 : 0443133336
Total Pages : 488 pages
Book Rating : 4.4/5 (431 download)
Download or read book Nanofertilizer Delivery, Effects and Application Methods written by Kamel A Abd-Elsalam and published by Elsevier. This book was released on 2024-01-13 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanofertilizer Delivery, Effects and Application Methods explores the science of nutrient nanoformulation, a potential tool toward sustainable and climate-sensitive crops.Wide-spread use of chemical fertilizers has been shown to causes significant damage to soil structure, mineral cycles, soil microbial flora, plants, and creating human health risk both immediately and for future generations. Through methods that include targeted distribution, and gradual or controlled release, nanostructured fertilizers can improve nutrient usage efficiency. According to recent studies, through environmental cues and biological demands, nano-fertilizers can respond to specifical challenges, and boost agricultural yield by increasing the rate of seed germination, seedling growth, photosynthetic activity, nitrogen metabolism, and carbohydrate and protein synthesis. Nanofertilizer Delivery, Effects and Application Methods discusses the potential agricultural benefits of nanofertilizers from coverage of their formulation and delivery, to application, plant uptake, translocation, and destiny, and their overall effect on plant physiology and metabolism. This book is ideal for researchers in industry and academia. Highlights types, uses, and advantages of a wide range and variety of nanofertilizers on agri-food sectors Looks at current practices, their challenges, and future development opportunities Includes methods and applications for real-world insights
Author : Claudia Belviso
Publisher : BoD – Books on Demand
ISBN 13 : 9535125761
Total Pages : 228 pages
Book Rating : 4.5/5 (351 download)
Download or read book Zeolites written by Claudia Belviso and published by BoD – Books on Demand. This book was released on 2016-08-24 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects recent results about research activities on zeolites, from synthesis to application. It is composed of two sections. The first is devoted to articles and brief review articles on the synthesis of zeolite from fly ash and final application of these newly formed minerals to solve environmental problems. The second part of the book provides useful information on different applications both of natural and synthetic zeolites ranging from environmental pollution to industrial and commercial applications. The performance of zeolite molecular sieves, hollow titanium zeolites and luminescent zeolites is interesting considering the new frontiers reached by the research on zeolites. This book is a useful instrument for researchers, teachers and students who are interested in investigating innovative aspects of the studies on zeolite.
Author : Rashmi Avinash Agarwal
Publisher : Springer
ISBN 13 : 9811332819
Total Pages : 350 pages
Book Rating : 4.8/5 (113 download)
Download or read book Pollutants from Energy Sources written by Rashmi Avinash Agarwal and published by Springer. This book was released on 2018-11-01 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses different aspects of energy consumption and environmental pollution, describing in detail the various pollutants resulting from the utilization of natural resources and their control techniques. It discusses diagnostic techniques in a simple and easy-to-understand manner. It will be useful for engineers, agriculturists, environmentalists, ecologists and policy makers involved in area of pollutants from energy, environmental safety, and health sectors.
Author : Alexander Dean Elliot
Publisher :
ISBN 13 :
Total Pages : 638 pages
Book Rating : 4.:/5 (65 download)
Download or read book An Investigation Into the Hydrothermal Processing of Coal Fly Ash to Produce Zeolite for Controlled Release Fertiliser Applications written by Alexander Dean Elliot and published by . This book was released on 2006 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: Notably quartz is more reactive than mullite; however at a pH of 14.6 mullite is completely dissolved while quartz is not, probably due to the significantly smaller size of mullite crystals relative to quartz particles; and for small increases in m with constant pH starting from x = 1, the total yield of zeolite increases, and the yields of different zeolite types change from low to a maxima back to low as functions of both pH and m.
Author : Guido Gerard Hollman
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.F/5 ( download)
Download or read book Synthesis of Zeolites from Coal Fly Ash written by Guido Gerard Hollman and published by . This book was released on 1999 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert A. Clifton
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book Natural and Synthetic Zeolites written by Robert A. Clifton and published by . This book was released on 1987 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kalpana Maheria
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Transformation of Waste Coal Fly Ash Into Zeolites for Environmental Applications written by Kalpana Maheria and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The generation of a large quantity of waste coal fly ash (CFA) via coal combustion process during power generation is of major concern as disposal of such huge quantity of fly ash causes serious threats to the environment. There is an exigent need to find out the proper solution for its disposal/utilization to reduce its harmful effects. The composition of waste coal fly ash mostly consists of silica and alumina. Hence, the researchers are tempted to utilize waste coal fly ash as a starting ingredient to make value-added materials like zeolites. It is anticipated that such research efforts will act as a valuable aid to reduce the disposal cost of fly ash and ultimately reduce harmful effects of fly ash to the environment. In this review, various synthesis methods to synthesize different types of zeolites from CFA, such as Zeolite-A, Zeolite-X and Zeolite-P, have been summarized and their potential for various applications such as sorption and catalysis has been explored.
Author : Nevin Koshy
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (125 download)
Download or read book Synthesis and Characterization of Ca and Na Zeolites (Non-Pozzolanic Materials) Obtained From Fly Ash-Ca(OH)2 Interaction written by Nevin Koshy and published by . This book was released on 2015 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conventional method for alkali activation of fly ash utilizes Ca(OH)2 and NaOH for the formation of pozzolanic material and fly ash zeolites, respectively. Sodium-based fly ash zeolites (say, Na-zeolite) mostly employ NaOH (the high-grade mineralizer and alkali) for activation of fly ash before its application as an absorbent. However, the Na-zeolites as absorbents (in agro- and aqua-culture) result in sodicity (i.e., excess of Na, present as impurity in the zeolite), which in turn reduces their holding capacity of moisture, nutrient [i.e., nitrogen, phosphorous, and potassium (NPK fertilizers)], microorganisms (viz., microbial spores), or heavy metals and negatively affect the growth of plant and aquatic life. To resolve such problems, the present study is focused on synthesis of agro-grade blend (dominated by Ca-zeolite) of zeolites by using Ca(OH)2 as major alkali and two well-established mineralizers, NaOH and NaCl, used in the trace quantity. To monitor activation of the fly ash in two different conditions, the synthesis of zeolites could be carried out by employing (1) conventional (the open hydrothermal system), and (2) autoclaving (the closed hydrothermal system) methods. The main attributes that control the entire study include temperature and reaction times for both methods. In addition, the present study demonstrates (1) effectiveness of Ca(OH)2 in creation of blend of zeolites with considerable cation exchange capacity when an optimum chemical composition (comparable to a pure agro- and aqua-grade zeolite 4A), and (2) suitability of the conventional hydrothermal method over autoclave method in synthesizing the blend of Ca- and Na-zeolites possessing a cation exchange capacity up to 394 meq/100 g. The formation of needle/star/spherule/small cube-shaped crystals (i.e., Na-P1, the Na-zeolite) and prismatic/cuboidal shaped crystals (i.e., heulandite, the Ca-zeolite), confirms suitability of the end product as a good sorbent and manure.
Author : David L. Bish
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 150150911X
Total Pages : 668 pages
Book Rating : 4.5/5 (15 download)
Download or read book Natural Zeolites written by David L. Bish and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-12-17 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 45 of Reviews in Mineralogy and Geochemistry is a new and expanded update of Volume 4 from 1977. Most of the material in this volume is entirely new, and Natural Zeolites: Occurrence, Properties, Applications presents a fresh and expanded look at many of the subjects contained in Volume 4. There has been an explosion in our knowledge of the crystal chemistry and structures of natural zeolites (Chapters 1 and 2), due in part to the now-common Rietveld method that allows treatment of powder diffraction data. Studies on the geochemistry of natural zeolites have also greatly increased, partly as a result of the interests related to the disposal of radioactive wastes, and Chapters 3, 4, 5, 13, and 14 detail the latest results in this important area. Until the latter part of the 20th century, zeolites were often looked upon as a geological curiosity, but they are now known to be widespread throughout the world in sedimentary and igneous deposits and in soils (Chapters 6-12). The application of natural zeolites has greatly expanded since the first zeolite volume. Chapter 15 details the use of natural zeolites for removal of ammonium ions, heavy metals, radioactive cations, and organic molecules from natural waters, wastewaters, and soils. Similarly, Chapter 16 describes the use of natural zeolites as building blocks and cements in the building industry, Chapter 17 outlines their use in solar energy storage, heating, and cooling applications, and Chapter 18 describes their use in a variety of agricultural applications, including as soil conditioners, slow-release fertilizers, soil-less substrates, carriers for insecticides and pesticides, and remediation agents in contaminated soils.
Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (319 download)
Download or read book Geological Survey Circular written by and published by . This book was released on 1977 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anuradha Mishra
Publisher : Royal Society of Chemistry
ISBN 13 : 1849736219
Total Pages : 277 pages
Book Rating : 4.8/5 (497 download)
Download or read book Green Materials for Sustainable Water Remediation and Treatment written by Anuradha Mishra and published by Royal Society of Chemistry. This book was released on 2013 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green and sustainable water remediation is a rapidly growing field of interest to governments and corporations alike, with considerable input from academics, environmental consultants and public interest groups.
Author : Sadhan Kumar Ghosh
Publisher : Springer Nature
ISBN 13 : 9811500142
Total Pages : 160 pages
Book Rating : 4.8/5 (115 download)
Download or read book Circular Economy and Fly Ash Management written by Sadhan Kumar Ghosh and published by Springer Nature. This book was released on 2019-10-25 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a number of innovative uses of fly ash. Fly ash is a fine powder that is a byproduct of burning pulverized coal in thermal power plants. It is a pozzolan – a substance containing aluminous and siliceous material that when mixed with lime and water forms a compound similar to Portland cement. Though fly ash was a problem in terms of its disposal, it now has a variety of uses, such as a prime material in blocks, bricks, and PCC paving, and further applications are being investigated. As such, the recovery and reuse of fly ash wastes plays an important role in the implementation of the circular economy concept. Featuring selected, high-quality research papers presented at IconSWM 2018, the book provides valuable insights for the recycling industries, power plants, researchers, and governments.
Author : Mario L. Occelli
Publisher :
ISBN 13 :
Total Pages : 672 pages
Book Rating : 4.:/5 (44 download)
Download or read book Zeolite Synthesis written by Mario L. Occelli and published by . This book was released on 1989 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a complete progress report on the various aspects of zeolite synthesis on a molecular level. It provides many examples that illustrate how zeolites can be crystallized and what the important parameters are that control crystallization. Forty-two chapters cover such topics as: crystallization techniques; gel chemistry; crystal size and morphology; the role of organic compounds; and novel synthesis procedures. It offers a complete review of zeolite synthesis as well as the latest finding in this important field. Contains benchmark contributions from many notable pioneers in the field, including R.M. Barrer, H. Robson, and Robert Milton.
Author : Scott M. Auerbach
Publisher : CRC Press
ISBN 13 : 9780203911167
Total Pages : 1202 pages
Book Rating : 4.9/5 (111 download)
Download or read book Handbook of Zeolite Science and Technology written by Scott M. Auerbach and published by CRC Press. This book was released on 2003-07-31 with total page 1202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Zeolite Science and Technology offers effective analyses ofsalient cases selected expressly for their relevance to current and prospective research. Presenting the principal theoretical and experimental underpinnings of zeolites, this international effort is at once complete and forward-looking, combining fundamental
Author : Amitava Rakshit
Publisher : Springer
ISBN 13 : 8132221699
Total Pages : 417 pages
Book Rating : 4.1/5 (322 download)
Download or read book Nutrient Use Efficiency: from Basics to Advances written by Amitava Rakshit and published by Springer. This book was released on 2014-12-26 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses in detail multifaceted approaches to boosting nutrient use efficiency (NUE) that are modified by plant interactions with environmental variables and combine physiological, microbial, biotechnological and agronomic aspects. Conveying an in-depth understanding of the topic will spark the development of new cultivars and strains to induce NUE, coupled with best management practices that will immensely benefit agricultural systems, safeguarding their soil, water, and air quality. Written by recognized experts in the field, the book is intended to provide students, scientists and policymakers with essential insights into holistic approaches to NUE, as well as an overview of some successful case studies. In the present understanding of agriculture, NUE represents a question of process optimization in response to the increasing fragility of our natural resources base and threats to food grain security across the globe. Further improving nutrient use efficiency is a prerequisite to reducing production costs, expanding crop acreage into non-competitive marginal lands with low nutrient resources, and preventing environmental contamination. The nutrients most commonly limiting plant growth are N, P, K, S and micronutrients like Fe, Zn, B and Mo. NUE depends on the ability to efficiently take up the nutrient from the soil, but also on transport, storage, mobilization, usage within the plant and the environment. A number of approaches can help us to understand NUE as a whole. One involves adopting best crop management practices that take into account root-induced rhizosphere processes, which play a pivotal role in controlling nutrient dynamics in the soil-plant-atmosphere continuum. New technologies, from basic tools like leaf color charts to sophisticated sensor-based systems and laser land leveling, can reduce the dependency on laboratory assistance and manual labor. Another approach concerns the development of crop plants through genetic manipulations that allow them to take up and assimilate nutrients more efficiently, as well as identifying processes of plant responses to nutrient deficiency stress and exploring natural genetic variation. Though only recently introduced, the ability of microbial inoculants to induce NUE is gaining in importance, as the loss, immobilization, release and availability of nutrients are mediated by soil microbial processes.
