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Books > Professional & Technical > Industrial chemistry & manufacturing technologies > Industrial chemistry > General
This volume constitutes the proceedings of the Fourth International Workshop on Materials Processing at High Gravity, held at Clarkson University, May 29 to June 2, 2000. There were 73 attendees from 16 countries. Since the topics extended well beyond materials processing, it was felt appropriate to name this proceedings "Centrifugal Processing." Processing by Centrifugation includes the traditional bench-scale centrifuges, as well as all rotating systems utilizing the centrifugal and Coriolis forces to provide unique performance. Centrifugation led to the formation of sticky porous Teflon membranes, as well as improved polymeric solar cells. Centrifugation on large equipment improved the chemical vapor deposition of diamond films, influenced the growth and dissolution of semiconductor crystals, and elucidated the influence of gravity on coagulation of colloidal Teflon. A million g centrifuge was constructed and used to study sedimentation in solids and to prepare compositionally graded materials and new phases. Rotation of a pipe about its axis allowed the casting of large-diameter metal alloy pipes as well as coating the interior of pipes with a cermet utilizing self-propagating high-temperature synthesis. Such coatings are highly corrosion and erosion resistant. Flow on a rotating disk was shown to be useful for process intensification, such as large-scale manufacturing of nano-particles, polymerization reactions, and heat & mass transfer. Several theoretical studies dealt with the influence of rotation on fluid convection on surfaces and in pipes, tubes, and porous media. These have applications to integrated-circuit chip manufacturing, alloy casting, oil production, crystal growth, and the operation of rotating machinery.
New edition covers the latest practices, regulations, and alternative disinfectants Since the publication of the Fourth Edition of "White's Handbook of Chlorination and Alternative Disinfectants" more than ten years ago, the water industry has made substantial advances in their understanding and application of chlorine, hypochlorite, and alternative disinfectants for water and wastewater treatment. This "Fifth Edition," with its extensive updates and revisions, reflects the current state of the science as well as the latest practices. Balancing theory with practice, the "Fifth Edition" covers such important topics as: Advances in the use of UV and ozone as disinfectants Alternative disinfectants such as chlorine dioxide, iodine, and bromine-related products Advanced oxidation processes for drinking water and wastewater treatment New developments and information for the production and handling of chlorine Latest regulations governing the use of different disinfectants For each disinfectant, the book explains its chemistry, effectiveness, dosing, equipment, and system design requirements. Moreover, the advantages and disadvantages of each disinfectant are clearly set forth. References at the end of each chapter guide readers to the primary literature for further investigation. Authored and reviewed by leading experts in the field of water and wastewater treatment, this "Fifth Edition" remains an ideal reference for utilities, regulators, engineers, and plant operators who need current information on the disinfection of potable water, wastewater, industrial water, and swimming pools.
This book offers a comprehensive review on biomass resources, examples of biorefineries and corresponding products. The first part of this book covers topics such as different biorefinery resources from agriculture, wood processing residues and transport logistics of plant biomass. In the second part, expert contributors present biorefinery concepts of different biomass feedstocks, including vegetable-oils, sugarcane, starch, lignocellulose and microalgae. Readers will find here a summary of the syngas utilization and the bio-oil characterization and potential use as an alternative renewable fuel and source for chemical feedstocks. Particular attention is also given to the anaerobic digestion-based and Organosolv biorefineries. The last part of the book examines relevant products and components such as alcohols, hydrocarbons, bioplastics and lignin, and offers a sustainability evaluation of biorefineries.
The major goals of quantum chemistry include increasing the accuracy of the results for small molecular systems and increasing the size of large molecules that can be processed, which is limited by scaling considerations-the computation time increases as a power of the number of atoms. This book offers scope for academics, researchers, and engineering professionals to present their research and development works that have potential for applications in several disciplines of computational chemistry. Contributions range from new methods to novel applications of existing methods to gain an understanding of the concepts.
This book connects a retrosynthetic or disconnection approach with synthetic methods in the preparation of target molecules from simple, achiral ones to complex, chiral structures in the optically pure form. Retrosynthetic considerations and asymmetric syntheses are presented as closely related topics, often in the same chapter, underlining the importance of retrosynthetic consideration of target molecules neglecting stereochemistry and equipping readers to overcome the difficulties they may encounter in the planning and experimental implementation of asymmetric syntheses. This approach prepares students in advanced organic chemistry courses, and in particular young scientists working at academic and industrial laboratories, for independently solving synthetic problems and creating proposals for the synthesis of complex structures.
It's the new rock and roll. It's the new black. Sustainability is trendy, and not just among hipsters and pop stars. The uncool chemical sector helped pioneer it, and today, companies inside and outside the sector have embraced it. But what have they embraced? Surely not the Brundtland definition of meeting "the needs of the present without compromising the ability of future generations to meet their own needs." Sustainability describes a change in the chemical industry's
approach to the external world: to regulators, to greens, to
neighbors, to investors and to the general public. Displacing the
adversarialism of the 1970s-80s, sustainability is a new approach
to social/political conflict, and an attempt to rebuild the
industry's long-suffering public image. In practice, it consists
of: The core of this book is a survey of the world's 29 largest chemical companies: how they put sustainability into action (six of the 29 do not), and the six 'sustainability brands' they have created. It begins with a history of stakeholders conflict, before looking at various definitions of sustainability - by academics, by the public and by investors. After the survey and analysis, the book covers sustainability and 'greenwash' plus the ROI of sustainability, and it gives five recommendations.
Johannes G. de Vries: Pd-catalyzed coupling reactions.- Gregory T. Whiteker and Christopher J. Cobley: Applications of Rhodium-Catalyzed Hydroformylation in the Pharmaceutical, Agrochemical and Fragrance Industries.- Philippe Dupau: Ruthenium-catalyzed Selective Hydrogenation for Flavor and Fragrance Applications.- Hans-Ulrich Blaser, Benoit Pugin and Felix Spindler: Asymmetric Hydrogenation.- Ioannis Houpis: Case Study: Sequential Pd-catalyzed Cross-Coupling Reactions; Challenges on Scale-up.- Adriano F. Indolese: Pilot Plant Scale Synthesis of an Aryl-Indole - Scale up of a Suzuki Coupling.- Per Ryberg: Development of a Mild and Robust Method for Palladium Catalysed Cyanation on Large Scale.- Cheng-yi Chen: Application of Ring Closing Metathesis Strategy to the Synthesis of Vaniprevir (MK-7009), a 20-Membered Macrocyclic HCV Protease Inhibitor.
Field flow fractionation (FFF) is an emerging separation technique, which has been proven successful in the analysis of pharmaceuticals, biotechnology products, polymers, soils, and foods, among others. In this book, Martin Schimpf joins forces with Karin Caldwell and J. Calvin Giddings, two of the primary developers of this technique, to bring you the first comprehensive, one-stop reference on the technique.
The purpose of this book is to provide a balanced introduction to process control and management, aimed at the general process engineer. Rapid changes have occurred in process control over the past decade, mainly because of the deployment of robust and effective digital control equipment, and the development of the models which underpin the area. Historically, process control was seen as simply the maintenance of particular process variables at appropriate setpoints. This very narrow view has been superseded by the view that process control involves the regulation of any given process, in the context of a complete processing plant, to maximise the economic return from the plant. This wider definition brings into play a range of control regimes, from basic regulatory control, through advanced regulatory control, to complex process management. The organization of the book reflects this hierarchy, and is thus split into 3 parts, covering basic regulatory control, advanced process control and finally process management. The book is completed by the inclusion of several useful appendices, covering mathematical modelling, process optimisation and simulation.
Incorporating all recent developments and applications of crystallization technology, this volume offers a clear account of the field's underlying principles, reviews of past and current research, and provides guidelines for equipment and process design. The book takes a balanced functional approach in its critical survey of research literature, and includes several problems based on real practical situations that illustrate theoretical development. Several new concepts and techniques used in process simulation and identification analysis are featured.
Gettering Defects in Semiconductors fulfills three basic purposes: - to systematize the experience and research in exploiting various gettering techniques in microelectronics and nanoelectronics; - to identify new directions in research, particularly to enhance the perspective of professionals and young researchers and specialists; - to fill a gap in the contemporary literature on the underlying semiconductor-material theory. The authors address not only well-established gettering techniques but also describe contemporary trends in gettering technologies from an international perspective. The types and properties of structural defects in semiconductors, their generating and their transforming mechanisms during fabrication are described. The primary emphasis is placed on classifying and describing specific gettering techniques, their specificity arising from both their position in a general technological process and the regimes of their application. This book addresses both engineers and material scientists interested in semiconducting materials theory and also undergraduate and graduate students in solid-state microelectronics and nanoelectronics. A comprehensive list of references provides readers with direction for further reading.
The idea of editing a book on modern software architectures and
tools for CAPE (Computer Aided Process Engineering) came about when
the editors of this volume realized that existing titles relating
to CAPE did not include references to the design and development of
CAPE software.
Increasing emphasis on safety, productivity and quality control has provided an impetus to research on better methodologies for fault diagnosis, modeling, identification, control and optimization ofchemical process systems. One of the biggest challenges facing the research community is the processing of raw sensordata into meaningful information. Wavelet analysis is an emerging field of mathematics that has provided new tools and algorithms suited for the type of problems encountered in process monitoring and control. The concept emerged in the geophysical field as a result ofthe need for time-frequency analytical techniques. It has since been picked up by mathematicians and recognized as a unifying theory for many ofthe methodologies employed in the past in physics and signal processing. l Meyer states: "Wavelets are without doubt an exciting and intuitive concept. The concept brings with it a new way of thinking, which is absolutely essential and was entirely missing in previously existing algorithms. " The unification ofthe theory from these disciplines has led to applications of wavelet transforms in many areas ofscience and engineering including: * pattern recognition * signal analysis * time-frequency decomposition * process signal characterization and representation * process system modeling and identification * control system design, analysis and implementation * numerical solution ofdifferential equations * matrix manipulation About a year ago, in talking to various colleagues and co-workers, it became clear that a number of chemical engineers were fascinated with this new concept.
Preface - This single-volume compendium fulfills the demand for a compact version of the widely acclaimed Encyclopedia of Surfactants and contains over 12,000 entries. The surfactant products included have been compiled with. the cooperation of the major national and international surfactant manufacturers. The first section of this reference is a Trademark Dictionary that contains short entries for all tradename surfactants that appear in Volumes I-IV of the Encyclopedia plus all the new surfactant products that have become available since the publication of this set. Each tradename entry is followed by a number in brackets which refers to the manufacturer that is listed in Part III of this encyclopedia. What makes this reference unique and especially useful for anyone doing chemical research is the addition of the Chemical Component-to-Tradename Cross Reference section. This provides the user with the capability of finding tradename surfactant products that contain specific chemical compounds. For example, by locating alphabetically the chemical ammonium lauryl sulfate, the user is able to retrieve a list of all the tradename products that contain that chemical. The user can then refer back to the frrst section for detailed descriptions of the specific tradename products listed here. This section also includes the chemical compound synonyms for the surfactant components which are cross referenced in most cases to the alternate chemical names that contain the tradename product listings. Primary chemical component references are made to the CTFA (Cosmetic, Toiletry, and Fragrance Association) adopted names where possible. For many chemical entries the Chemical Abstract Service Registry Numbers (CAS) are given. This number ensures the unique identification of a chemical regardless of its multiplicity of synonyms. RD (Recognized Disclosure) reference numbers are included in some cases either in addition to the CAS number or because no CAS number has been assigned as yet. The third section presents the names and addresses of the manufacturers of all of the products included in this compendium with their associated tradenames.
Intelligent/smart systems have become common practice in many engineering applications. On the other hand, current low cost standard CMOS technology (and future foreseeable developments) makes available enormous potentialities. The next breakthrough will be the design and development of "smart adaptive systems on silicon" i.e. very power and highly size efficient complete systems (i.e. sensing, computing and "actuating" actions) with intelligence on board on a single silicon die. Smart adaptive systems on silicon will be able to "adapt" autonomously to the changing environment and will be able to implement "intelligent" behaviour and both perceptual and cognitive tasks. At last, they will communicate through wireless channels, they will be battery supplied or remote powered (via inductive coupling) and they will be ubiquitous in our every day life. Although many books deal with research and engineering topics (i.e. algorithms, technology, implementations, etc.) few of them try to bridge the gap between them and to address the issues related to feasibility, reliability and applications. Smart Adaptive Systems on Silicon, though not exhaustive, tries to fill this gap and to give answers mainly to the feasibility and reliability issues. Smart Adaptive Systems on Silicon mainly focuses on the analog and mixed mode implementation on silicon because this approach is amenable of achieving impressive energy and size efficiency. Moreover, analog systems can be more easily interfaced with sensing and actuating devices.
This book provides a detailed overview of the plasma fluidized bed. It is an innovative tool and generally combines plasma process with another efficient reactor, fluidized bed, providing an excellent method for particulate processes over conventional technology. The development and designs of typical types of plasma fluidized beds, mainly thermal plasma fluidized beds and non-thermal plasma fluidized beds are discussed. The influencing factors on the performance of plasma fluidized beds are analyzed in detail. The mechanism, i.e. the discharge characteristics, hydrodynamics, heat transfer and mass transfer are analyzed to offer a further insight of plasma fluidized beds. Applications of plasma fluidized beds for different areas, including metallurgy extraction, green energy process, environmental protection and advanced materials are presented. The book is a valuable reference for scientists, engineers and graduate students in chemical engineering and relative fields.
The application of modern methods in numerical mathematics on
problems in chemical engineering is essential for designing,
analyzing and running chemical processes and even entire plants.
Scientific Computing in Chemical Engineering II gives the state of
the art from the point of view of numerical mathematicians as well
as that of engineers.
Proceedings of the ISPRA Course Held November 25-29, 1985, Organized in Collaboration with the European Safety and Reliability Association-ESRA
The word cleaning covers a wide range of activities from good housekeeping and janitorial duties to clinical process cleaning applications that form part of our everyday lives, most people are not aware of their existence, and yet without them, many of the services and products we take for granted would not be available. Most chapters include case studies of various cleaning problems together with the solutions offered. Emphasis is placed on the practical aspects of designing, manufacturing and operating cleaning equipment, this includes a detailed examination of traditional cleaning methods, and considers a number of lessor known techniques that have been developed over recent years together with a glimpse of the future trends in the industry In addition to the actual cleaning techniques, the book examines the effect, of increasing international health, safety, training, and environmental legislation together with regulations that control cleaning standards in the pharmaceuticals, cosmetics, food and drinks manufacturing industries. In this respect, the book is not intended to be a definitive reference book. Legislation and regulations are continually being upgraded, particularly those relating to European Directives. No apologies are given for the fact that the reader will be continually reminded of the need to obtain up to date copies of the various documents referred to, and to secure expert advice on those issues that are crucial in terms of health, safety and hazardous conditions. To assist the reader, useful information sources are listed in the reference section following each chapter. jkljk
Survey of Industrial Chemistry arose from a need for a basic text dealing with industrial chemistry for use in a one semester, three-credit senior level course taught at the University of Wisconsin-Eau Claire. This edition covers all important areas of the chemical industry, yet it is reasonable that it can be covered in 40 hours of lecture. Also an excellent resource and reference for persons working in the chemical and related industries, it has sections on all important technologies used by these industries: a one-step source to answer most questions on practical, applied chemistry. Young scientists and engineers just entering the workforce will find it especially useful as a readily available handbook to prepare them for a type of chemistry quite different than they have seen in their traditional coursework, whether graduate or undergraduate.
Chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience.
Thermodynamic Optimization of Finite-Time Processes is the first book to provide a comprehensive treatment integrating finite-time thermodynamics and optimal control, and to give an overview of important breakthroughs in the field which have occurred during the last 20 years. A survey of the optimization technique, including the basics of optimal control theory, and the principal thermodynamic concepts and equations are presented in the first four chapters. The remaining chapters are devoted to the solutions of a variety of finite-time thermodynamic problems, and include coverage of their potential applications for the design of real technological processes, such as:
This Brief describes the influence of the different organic chelating agents on the topography, physical properties and phases of SPPS-deposited spinel ferrite splats. The author describes how by using the SPPS process, the coating is produced directly from a solution precursor and how all physical and chemical reactions such as evaporation, decomposition, crystallization and coating formation occur in a single step. The author details not only the innovative approach to liquid feeding, but also focuses on its effects on the spinel ferrite system. The results of experimentation as well as detailed explanations of the experiments are included.
Industrial gases are inextricably woven into the fabric of modern manufacturing. From the primary extraction of raw materials, through their intermediate processing to manufacture metals, chemicals and ceramics, to the fabrication of sophisticated industrial, consumer and food products, gases are used across the whole spectrum of industry. The isolation, manufature and supply of these gases is a major industry in itself; the 300 million tones of gas used each year generates sales in excess of $20 billion. In terms of tonnage, nitrogen has become the most used industrial gas, finding applications across the whole range of industry. It is still manufactured by liquifying and then distilling air, but as applications develop and demand increases, newer methods of isolation, such as pressure swing absorbtion and membrane seperation will become important. This new book introduces the main industrial gases and the gases industry, it discusses the main technologies for their isolation, seperation, manufacture and handling. In addition, the book contains an overview of the main applications of industrial gases and a brief discussion of new production processes and applications. Chemists, chemical engineers, physicists and technologists involved in the research and development, production or utilisation of industrial gases will find this concise book an essential and accessable reference source. For advanced students of these disciplines, the book provides a fascinating overview of this important industry.
The field of quantum and molecular simulations has experienced strong growth since the time of the early software packages. A recent study, showed a large increase in the number of people publishing papers based on ab initio methods from about 3,000 in 1991 to roughly 20,000 in 2009, with particularly strong growth in East Asia. Looking to the future, the question remains as to how these methods can be further integrated into the R&D value chain, bridging the gap from engineering to manufacturing. Using successful case studies as a framework, Industrial Applications of Molecular Simulations demonstrates the capability of molecular modeling to tackle problems of industrial relevance. This book presents a wide range of various modeling techniques, including methods based on quantum or classical mechanics, molecular dynamics, Monte Carlo simulations, etc. It also explores a wide range of materials, from soft materials such as polymeric blends widely used in the chemical industry to hard or inorganic materials such as glasses and alumina. Features
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