Industriel kemi og kemiteknik

Developments in Yarn Spinning Technologies explores the recent advancements in yarn spinning technologies, focusing on improving production and embracing sustainability. While ring spinning remains popular, newer developments in rotor spinning and natural fibre spinning systems are covered.This book also addresses challenges, including the circularity theory, providing concise insights into the evolving landscape of yarn spinning technologies. Ideal for professionals and researchers alike, this book offers valuable perspectives on the industry’s dynamic changes.

Carbohydrate Nutrition covers the nutritional functionality of foods needed to address the metabolic disease epidemic. The source and structure of carbohydrates, including starch, human milk oligosaccharides, polyols, arabinoxylan, beta-glucan, and cellulose are introduced, as is their function in the small intestine and colon. Nutrition researchers, food scientists, food chemists, and those studying and researching related topics will benefit from this book and can apply their learnings to the design of foods with better carbohydrate nutrition.

Polymer Gears discusses polymer gear design and their efficient mechanical properties, light weight, and low noise during operation. As plastic gears are replacing metallic gears in traditional and new applications, there is still lack of material characterization and complex relations between different geometric and operating parameters. Thus, polymer gear design remains an open challenge. This book serves as a comprehensive and professional guide on the topic, providing readers with current developments carried out in the field of plastic gears production, characterization, and applications. This will include material development, tribological properties, simulations, and processing methods.

Nutritional and Health Aspects of Native West African Foods is part of an ongoing series that continues to build out Elsevier’s Nutritional and Health Aspects of Traditional and Ethnic Foods series. Written by a gender diverse team of experts, this book explores native and wild West African foods from Cameroon, Ghana, and Nigeria where 60% of West Africa live. Through valorization trials, the book analyzes nutritional components and the processing and safety of native plants and botanicals and shows how indigenous foods such as grains, fruits, tubers, fungi and cheese make a global impact on diet-related health claims and disease.From handling and processing methods to regulatory issues and sustainable farming, this book presents a framework to discover the influence of historical eating habits on today’s diets.

Polymers for Oral Drug Delivery Technologies covers the fundamentals of oral drug delivery and various aspects of polymer technology in oral drug delivery, from classification and synthesis, to applications and regulatory factors. It presents the oral delivery¿of therapeutics for treating a number of diseases, along with the challenges of oral drug administration to assure a predictive and reproducible pharmacokinetic profile of active pharmaceutical ingredients (API).Polymers play an important role to achieve the targeted release profile consistently of an API in vivo by various functionalities like drug protection from gastric juice, fast release and supersaturation or release within a targeted area of the GI tract.

This collection explores the methods and challenges of containing corrosive and abrasive materials at extreme temperatures, whether they are used across commodities or technology specific. There is much to be learned from cross-commodity and cross-technology perspectives and this collection creates a platform for the exchange of ideas on the challenges, solutions, failures, and successes in furnace containment designs and applications while bringing together perspectives from industry, design houses, and research institutions. Topics include, but are not limited to: · Advances in furnace lining design philosophies· Advances in furnace design configurations and other design considerations· Problems experienced and their solutions implemented during construction and commissioning· Integration of new concepts into old smelters· Back to basics: refractory materials, shells, and cooling systems· Maintaining and monitoring· Process control and slag design· Lessons learned

This collection covers various aspects of the fundamentals, synthesis, analysis, design, monitoring, and control of metals, materials, and metallurgical processes and phenomena. This volume will focus on the fundamentals of iron and steel production including ladle processing, casting, rolling, forging, and subsequent surface treatments. Topics represented include, but are not limited to: ¿ Use of artificial intelligence or big data in the control or optimization of industrial processes¿ Modelling or optimization of recycle streams and scrap loops¿ Measurement and control in hostile environments¿ Modeling transport phenomena in materials processing and metallurgical processes involving iron, steel, nonferrous metals, and composites¿ Thermodynamics, kinetics, andphysical chemistry of materials processes and modelling thereof

This textbook is intended for undergraduate and graduate students pursuing courses in chemistry and allied fields. It includes fundamental concepts, equations involved in organic reactions, chemical bonds (ionic and covalent bonds), hybridization, representation of a chemical reaction and mechanism of organic reactions. The book also discusses the displacement of bonding electrons involving inductive effect, electromeric effect, mesomeric effect, hyperconjugative effect and resonance. A number of organic reactions involving formation of intermediates such as carbocations, carbanions, free radicals, carbenes, nitrenes and benzynes have also been included. It also discusses different types of reagents involved in a chemical reactions along with types of additional reactions and its detailed mechanism. The book also includes the use of pedagogical elements such as multiple choice questions and end of chapter exercises to aid self-learning among students

This book provides a summary of the essential knowledge and working processes involved with control of rotating equipment including:machine characteristics;overall control strategies;detailed design; andbest practices.Emphasis is placed on the role of pumps and compressors as part of the overall process flow rather than treating them in isolation as this tends to optimize energy efficiency.Readers are made aware of the critical roles of rotating equipment and are given a good understanding of their dynamic behaviors, including surge/choke. The author imparts the practical know-how and skills involved in the design and implementation of capacity and anti-surge control and safe-guarding logic. Furthermore, the book discusses real-time monitoring of solutions based on operational requirements, dynamic models for control of supply and demand, cause-and-effect relationships, the useof online and offline data, and collaboration with other engineering disciplines. The text facilitates support for the day-to-day operation of in-house open-platform compressor control applications, encouraging the growth of analytic skills in troubleshooting and fixing common problems; it also inculcates a basic understanding of the principles of third-party proprietary technologies and supports decision-making between in-house and third-party solutions.Process engineers working in the oil-and-gas, refining, petrochemical, and chemical industries who bear responsibility for designing control solutions involving pumps and compressors will find this book an invaluable source of practical advice. This book also helps engineers working on design and maintenance of rotating equipment to understand the perspectives and requirements of process control.

Current Trends and Future Developments on (Bio)-Membranes: Recent Achievements in Chemical Processes in Membrane Reactors introduces and analyzes chemical processes done in membrane reactors. The book highlights their performance and provides an overview of recent achievements in structural development of membrane reactor systems during chemical processes. Starting from chemical processes aspects and fundamentals of membrane reactor systems, via modeling and experimental and design concepts, to practitioners’ perspective and good application examples, the book sheds light and gives a broad but very detailed description through the point of view typical of an industrial engineer.This book is a key reference for R&D managers in industry interested in the development of chemical processes by membrane reactor technologies as well as academic researchers and postgraduate students working in the wider area of the strategic chemical, separation, and purification processes.

Electrospinning and Electrospraying Encapsulation of Food Bioactive Compounds provides comprehensive approaches utilized to fabricate structured polymer fibers and particles for designing bioactive delivery systems through electrospinning and electrospraying. Divided into four parts, the chapters review practical applications, scale-up/industrialization. challenges and new opportunities. This book examines electrospinning and electrospraying encapsulation, characterization approaches of bioactive-loaded electrospun fibers/electrospraying particles, and application of bioactive-loaded electrospun fibers/electrosprayed particles. Edited by experts in the field, this book will be of great interest to researchers, practitioners, and those who work in various fields of encapsulation, nutraceutical, pharmaceutical, and food ingredients.

Ultrasonic Treatment of Water and Wastewater: Removal of Biological and Chemical Pollutants and Combined Processes is a comprehensive guide to understanding and utilizing the innovative technology of sonochemistry in the field of water and wastewater treatment. The book provides a detailed overview of the fundamental principles of sonochemistry, the different types of sonochemical reactors and their applications, and the advantages and limitations of sonochemical treatment. The book focuses on the practical applications of sonochemistry in the treatment of water and wastewater, making it an extremely useful resource for professionals and researchers working in the field. The book also provides a thorough discussion of the environmental benefits of sonochemical treatment, such as reducing the amount of hazardous chemicals used and reducing energy consumption. Ultrasonic Treatment of Water and Wastewater: Removal of Biological and Chemical Pollutants and Combined Processes has an interdisciplinary approach, drawing from fields such as chemistry, physics, and environmental science. This makes it a valuable resource for professionals and students from a variety of backgrounds.

This book offers a comprehensive collection of typical tasks from technical thermodynamics. It is ideal for preparing written and oral examinations at university. It contains 180 tasks that are solved in detail. Alternative solution strategies are often shown and discussed. The book is interesting for all engineering students who have to take an exam in thermodynamics. A problem-orientated approach is followed and a systematic method for solving the tasks is developed. Theoretical correlations and thermodynamic fundamentals are solved by means of concrete tasks. In addition to comprehension questions, the book contains numerous typical calculation problems. Here, too, the basics are summarised and solutions respectively solution strategies are discussed. These are conceived to provide students with strategies and tools to solve complex tasks. All these exercises should help to deepen the physical knowledge. The greater the technical competence, the more confidently one can face the exam! At best, the tasks will help you to have fun and enjoy thermodynamics! This book is a perfect complement to my textbook "Technical Thermodynamics for Engineers".

In today's society researchers are more focused on cleaner materials production for environmental sustainability. This approach aims at reducing waste and the development of materials with enhanced properties and functionality. This book focuses on optimizing manufacturing processes for sustainable composite materials. It discusses optimum utilization of resources by using minimum effort to save cost and energy.

This book presents various concepts and applications related to risk-conscious operations management. It also provides an overview of the risk-based engineering ¿ fundamental to the concept of risk-conscious operations management. It presents the reliability concept to support Dependency Modelling, which includes hardware systems structures and components for reliability improvement and risk reduction. The book further develops and builds attributes and model for risk-conscious culture ¿ critical to characterize operational approach to risk and presents human factor modelling, where it works on developing an approach for human error precursor analysis. This book will be useful for students, researchers, academicians and professionals working on identifying risk and reliability issues in complex safety and mission critical systems. It will also be beneficial for industry risk-and-reliability experts and operational safety staff working in the complex engineering systems.

This volume provides protocols on different combinations of contaminates, matrices, and sample preparation. Chapters are divided into two parts, detailing polycyclic aromatic hydrocarbon,dioxins, furans, organochlorie pesticides, toxic elements, mycotoxins, mercury in food products, acrylamine, polypeptide antibiotics, tetracyclines, coccidiostats, beta-blockers, sedatives,glucocorticoids, palytoxin-like marine biotoxins in fish, polar drugs and contaminants in animal feed, UV filters, micro and nanoplastics in seafood, tetracyclines in vegetables, MCPDEs, and pharmaceuticals in seafood. Written in the format of the Methods and Protocols in Food Science (MeFS) series, the chapters include an introduction to the respective topic, list necessary materials and reagents, detail well-established and validated methods for readilyreproducible laboratory protocols, and contain notes on how to avoid or solve typical problems. Authoritative and cutting-edge,Chemical Food Contaminants Analysis aims to ensure successful results in the further study of this vital field

This volume combines well-established state-of-the-art techniques and innovative technologies in the field of emotions and applying them to food and sensory sciences. Chapter guide readers through explicit measures of emotions, protocols enabling the measure of implicit aspects of emotions, and protocols enabling analysis of complex and voluminous data generated by emotion studies in food science. Authoritative and cutting-edge, Basic Protocols on Emotions, Senses, and Foods aims to provide researchers the most complete information possible in terms of stimuli, materials, and methods for characterizing emotions, in order to give them the possibility of taking on new projects and new challenges in food science.

Flexible devices based on metal oxides: Achievements and prospects focuses on the integration of flexibility in electronic circuitry, sensing applications, energy conversion and storage, and environmental remediation. Flexibility in these applications offers great potential, especially in the areas of wearable sensors, solar cells, transistors, electronic skin, and human body monitoring. The book investigates flexible and wearable devices based on metal oxide nanostructures or thin films that are capable of bending, rolling, compression, and folding, all while maintaining their performance. Metal oxide nanomaterials display exceptional properties that include mechanical stress tolerance, high optical transparency, high carrier mobilities, wide band gap, high dielectric constant, and superconductivity, amongst others. In some cases, they are also earth abundant, environmentally benign, cost-effective, chemically stable, and compatible with low-cost wet-chemical synthesis routes. The focus of the book is on wearables manufactured using sustainable manufacturing methods and integrated into substrates that are flexible, inexpensive, recyclable, abundant, and lightweight, including polymer, textile, cellulose and cork substrates.

Role of Environmental Microbiology in Industrial Wastewater Research focuses on environmental bioremediation concepts providing a comprehensive view of recent trends and emerging technologies in environmental bioremediation, addressing the current limitations and challenges pertaining to generally accepted and applied bioremediation strategies, and discussing corrective strategies for the removal of pollutants from the environment. Describing the broader role of environmental microbiology specifically in the treatment of industrial wastewater research Includes the recovery of resources from wastewater this book will be of interest to environmental microbiologists, biotechnologists, environmental engineers, chemical engineers and those working in the bioremediation field.

Pollen is made up of many chemical constituents such as proteins, sugars, lipids, minerals and phytochemicals. These components make pollen products an excellent source of nutrients and antioxidants for consumers. However, mycotoxigenic fungi are also common in pollen, creating contamination from generated mycotoxins. With adequate monitoring, sampling, processing and storage of pollen the development of mycotoxins can be significantly prevented. Since pollen grain has strong membranes which can limit the bioavailability of some nutrients and phytochemicals, novel methods and pretreatments are required with special emphasis on microbiological pretreatment methodologies. Pollen Chemistry & Biotechnology summarizes current knowledge of the chemical composition of pollen, its importance as a functional food ingredient and its health promoting properties. As Introduction part a short elaborate about botanical characteristics and data, including morphology and anatomy of pollen and bee preferences, is given. Important factors such as the botanical and geographical origin, best practices for preservation of nutritional composition, bioactivity and safety of pollen are covered in full. The nutritional profile of pollen based on data for minerals, lipids and nutrients is presented. A detailed phytochemical profile of pollen based on data for phenolics, flavonoids, carotenoids, vitamins, bioactive compounds is also covered. Areas for the improvement of the bioavailability of different nutrients and bioactive compounds of pollen via applied pretreatments are presented, as are best practices for adequate pollen collection, procession and storage in order to obtain safe products. At the end, an overview about pollen bioactivity as reason to use it as source of pharmaceuticals is made.

This book offers background material, reviews, and researched findings into the realms of minerals, mining, metallurgy, and engineering. Firstly, it elucidates fundamental mineral concepts, mining techniques, and mineral processing methods; secondly, it unveils cutting-edge insights on fine and coarse particle flotation, unveiling breakthrough technologies for enhanced efficiency; and thirdly, it explores the innovative applications of ultrasound and thermoluminescence in mineral processing, offering a holistic view of the latest advancements. This book sheds light on the versatile uses of silicones, the intricacies of bentonite clay, and the production pathways, properties, and applications of hydroxyapatite. Furthermore, the book provides invaluable insights into biomimetic biomineralization, the synthesis of low-carbon bio-cements, and the pioneering strides in mineral-based phase change materials.

Finite Element Analysis of Polymers and its Composites offers up-to-date and significant findings on the finite element analysis of polymers and its composite materials. It is important to point out that to date there are no books that have been published on this concept. Thus, academicians, researchers, scientists, engineers, and students in the similar field will benefit from this highly applications-oriented book that summarizes the experimental, mathematical, and numerical analysis of polymers and composite materials through the finite element method. The book provides detailed and comprehensive information on mechanical properties, fatigue and creep behavior, thermal behavior, vibrational analysis, testing methods, and their modeling techniques. In addition, the book lists the main industrial sectors in which polymers and composite materials simulation is used, and their gains from it, including aeronautics, medical, aerospace, automotive, naval, energy, civil, sports, manufacturing, and even electronics.

Postharvest Technologies and Quality Control of Shrimp provides the most updated and comprehensive knowledge on conventional chemical additives, novel natural preservatives, innovative technologies, and packaging solutions employed to enhance the quality and safety of shrimp and shrimp products. The book disseminates current developments in natural preservatives as well as advancements in new technologies to extend the shelf-life of shrimp and their products during different storage conditions. Edited by experts in the field of fisheries and seafood science, this book provides its readership with a broad overview of shrimp postharvest quality losses. The authors have gathered a wealth of recent information and guidance on the utilization of natural preservatives and novel technologies for the quality control of shrimp. Subsequent chapters discuss the impact of handling, processing, and storage on shrimp postharvest quality, followed by various preservatives and technologies employed to retard described quality losses. The book concludes with a discussion of safety and regulation issues related to food additives.

Homogeneous Hydrogenation and Metathesis Reactions, a volume in the Advances in Homogeneous Catalysis series, covers hydrogenation and metathesis reactions in two separate sections. The first section is devoted to homogeneous hydrogenation reactions and related processes, including hydrogenation of alkenes, esters, olefins, etc. In the second section, the metathesis reactions of olefins, alkenes, and alkynes are presented. In addition, the industrial application of homogeneous metathesis reactions is investigated.

Copper Oxides and Related Materials: Properties, Synthesis, and Applications provides a thorough description of the physical, structural, electrophysical, chemical, electronic, and biological properties of copper oxides in one convenient volume. The book focuses on human and environmental aspects, paying particular attention to health, environmental remediation, electronic applications, energy storage, and solar energy conversion. Copper oxides are widely used in many applications such as antibacterial, antimicrobial, and anticancer treatments; as biocide agents against phytopathogens or hospital-acquired diseases; and, they are also a standard material used for superconductivity. This volume thoroughly explores the most exciting and relevant applications of copper oxides, a class of material with a sometimes bewilderingly wide array of potential uses.

Applied Technologies for Clean Up of Environmental Contaminants covers the features of remediation and biocontrol technology, a multidisciplinary field combining environmental and industrial microbiology with biotechnology to improve environmental management. Studying the advanced microbial processes involved in geomicrobiology, aeromicrobiology, microbial loop and nutrient availability, as well as microbial energetics in the contaminated environment with an emphasis on innovative methodologies, the book provides readers with a better understanding of basic microbiology, allowing them to comprehend the mechanism and behavior of various biochemical processes that are used in bioremediation and biocontrol technologies.Including coverage of key subjects such as management of waste, energy generation, restoration processes, water treatment processes, co-metabolism, and nutrient recycling as well as emerging advances in environmental microbial biotechnology, green nanotechnology, metagenomic and proteomic strategies, DNA microarray, and biosensor-based technologies, this book provides potential implications for environmental management.