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Ultrasonic Destruction Of Surfactants
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Book Synopsis Ultrasonic Destruction of Surfactants by : L. Weavers
Download or read book Ultrasonic Destruction of Surfactants written by L. Weavers and published by IWA Publishing. This book was released on 2003-12-01 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research focused on the use of sonication to destroy surfactants and surface tension properties in industrial wastewaters that affect traditional water treatment processes. We have investigated the sonochemical destruction of surfactants and a chelating agent to understand the release of metals from surfactants during sonication. In addition, the effects of physical properties of surfactants and the effect of ultrasonic frequency were investigated to gain an understanding of the factors affecting degradation. Successful partial or total destruction of surfactants resulting in the release of metals bound to surfactants may result in a significant cost savings of treatment plants.
Book Synopsis Ultrasonic Destruction Of Surfactants by : Linda K. Weavers
Download or read book Ultrasonic Destruction Of Surfactants written by Linda K. Weavers and published by Water Environment Research Foundation. This book was released on 2003-09-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pulsed Sonolysis of Surfactants in Aqueous Solutions by : Limei Yang
Download or read book Pulsed Sonolysis of Surfactants in Aqueous Solutions written by Limei Yang and published by . This book was released on 2006 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: This study systematically studied the effects of pulsed ultrasound on the accumulation of surfactants at cavitation bubble interfaces and their subsequent degradation. First, the application of pulsed ultrasound for the degradation of the nonvolatile surfactants sodium 4-octylbenzene sulfonate (OBS) and sodium dodecylbenzenesulfonate (DBS) was investigated at a frequency of 354 kHz. Observed pulse enhancements were dependent on the pulse length, pulse ratio, initial concentration and surface activity of the surfactants. The enhanced degradation of surfactants by pulsed ultrasound was attributed to the accumulation of surfactants on cavitation bubble surfaces. Second, the degradation of OBS and DBS, and a non-volatile non-surfactant 4-ethylbenzene sulfonic acid (EBS), as binary mixtures were studied. Results indicate that the surfactant is selectively degraded. In OBS and DBS surfactant mixtures sonicated under pulsed ultrasound, surfactants strongly affected each other's degradation rates due to competition for the reaction sites on the cavitation bubble surfaces. Third, the degradation of OBS was investigated at various frequencies under CW and pulsed ultrasound. Degradation rates were strongly dependent on the frequency and sonication mode (i.e., CW or pulsing). Results indicate that frequency and sonication mode play a combined role in the degradation of surfactants due to changes in both chemical activity (i.e., ·OH radical yield) and accumulation of surfactants on bubble surfaces. Finally, sonolysis of argon-saturated aqueous solutions of the non-volatile surfactants sodium dodecyl sulfate (SDS) and sodium 1-pentanesulfonate (SPSo) was investigated at three ultrasonic frequencies under both CW and pulsed ultrasound. Results indicate that the -·CH- radical yield following sonolysis of surfactants is dependent on their ability to adsorb to cavitation bubble surfaces, and pulsing the ultrasonic wave has a significant effect on adsorption and the resulting radical yield.
Book Synopsis Sonochemical Water and Wastewater Decontamination by : Slimane Merouani
Download or read book Sonochemical Water and Wastewater Decontamination written by Slimane Merouani and published by Walter de Gruyter GmbH & Co KG. This book was released on 2024-08-05 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sonochemical process is newly advanced oxidation process (AOP) developed for hazardous pollutants destruction in aqueous effluents. This technique produces, in situ, a highly oxidative environment via the irradiation of aqueous solution using high frequency ultrasound to degrade potential contaminants. This book covers sonochemical pollutant degradation from fundamental principles, recent application, to challenges and future trends.
Book Synopsis Chemical Degradation Methods for Wastes and Pollutants by : Matthew A. Tarr
Download or read book Chemical Degradation Methods for Wastes and Pollutants written by Matthew A. Tarr and published by CRC Press. This book was released on 2003-08-08 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Degradation Methods for Wastes and Pollutants focuses on established and emerging chemical procedures for the management of pollutants in industrial wastewater and the environment. This reference offers an in-depth explanation of the degradation process, mechanisms, and control factors affecting each method, as well as issues crucial to the application of these approaches in real-world treatment sites. It examines ten of the most common and useful chemical technologies for environmental remediation and sanitation of industrial waste streams and offers implementation guidelines and examples of remediation strategies that are crucial to effective wastewater cleansing.
Book Synopsis Surfactant Biodegradation, Second Edition, by : Robert Donald Swisher
Download or read book Surfactant Biodegradation, Second Edition, written by Robert Donald Swisher and published by CRC Press. This book was released on 1986-10-31 with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ADVANCED PHYSICAL CHEMISTRY by : Dheeraj Kumar
Download or read book ADVANCED PHYSICAL CHEMISTRY written by Dheeraj Kumar and published by Lulu.com. This book was released on with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Engineering Modeling and Mathematic Tools by : Pijush Samui
Download or read book Water Engineering Modeling and Mathematic Tools written by Pijush Samui and published by Elsevier. This book was released on 2021-02-05 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Engineering Modeling and Mathematic Tools provides an informative resource for practitioners who want to learn more about different techniques and models in water engineering and their practical applications and case studies. The book provides modelling theories in an easy-to-read format verified with on-site models for specific regions and scenarios. Users will find this to be a significant contribution to the development of mathematical tools, experimental techniques, and data-driven models that support modern-day water engineering applications. Civil engineers, industrialists, and water management experts should be familiar with advanced techniques that can be used to improve existing systems in water engineering. This book provides key ideas on recently developed machine learning methods and AI modelling. It will serve as a common platform for practitioners who need to become familiar with the latest developments of computational techniques in water engineering. Includes firsthand experience about artificial intelligence models, utilizing case studies Describes biological, physical and chemical techniques for the treatment of surface water, groundwater, sea water and rain/snow Presents the application of new instruments in water engineering
Book Synopsis A Pilot Plant Study of Surfactant Solution Ultrasonic Cleaning of Metal Parts by : Pravin A. Patel
Download or read book A Pilot Plant Study of Surfactant Solution Ultrasonic Cleaning of Metal Parts written by Pravin A. Patel and published by . This book was released on 1993 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook on Applications of Ultrasound by : Dong Chen
Download or read book Handbook on Applications of Ultrasound written by Dong Chen and published by CRC Press. This book was released on 2011-07-26 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasonic irradiation and the associated sonochemical and sonophysical effects are complementary techniques for driving more efficient chemical reactions and yields. Sonochemistry-the chemical effects and applications of ultrasonic waves-and sustainable (green) chemistry both aim to use less hazardous chemicals and solvents, reduce energy consumpt
Book Synopsis Advances in Ultrasound Technology for Environmental Remediation by : Ta Yeong Wu
Download or read book Advances in Ultrasound Technology for Environmental Remediation written by Ta Yeong Wu and published by Springer Science & Business Media. This book was released on 2012-10-20 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past ten years, innovative technologies have shown that advanced oxidation processes are highly promising when applied to the remediation of polluted water or wastewater as they don’t generate any sludge or solid material of hazardous nature. Advances in Ultrasound Technology for Environmental Remediation reviews the fundamentals of ultrasound technology and the state of the art developments in “ultrasound-based free radical generation” in environmental remediation and pollution prevention. It also presents the challenges of introducing ultrasound technology into large-scale environmental remediation applications and examines the methods used to improve ultrasound technology. Indeed, ultrasonic systems are extremely sensitive and vulnerable to operational parameters which cannot be controlled without a good knowledge and understanding of physical and chemical phenomena. Advances in Ultrasound Technology for Environmental Remediation features the theory and fundamentals of ultrasound technology and discusses its potential as an alternative method in environmental remediation.
Book Synopsis Ultrasound Technology in Green Chemistry by : Mika Sillanpää
Download or read book Ultrasound Technology in Green Chemistry written by Mika Sillanpää and published by Springer Science & Business Media. This book was released on 2011-08-26 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a new and rapidly growing science, the applications of ultrasound methods in environmental technology hold a promising future. Compared to conventional methods, ultrasonication can bring several benefits such as being environmentally friendly (no toxic chemical are used or produced), low cost, and compact, allowing on-site treatment. Besides an overview featuring the background behind ultrasonic technology, this brief summarizes the main studies and innovations reported in recent research that has utilized ultrasound methods in environmental analysis, water, and sludge treatment, soil and sediment remediation to air purification.
Book Synopsis Emerging Halogenated Flame Retardants in the Environment by :
Download or read book Emerging Halogenated Flame Retardants in the Environment written by and published by Elsevier. This book was released on 2020-02-14 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis and Fate of Emerging Brominated and Fluorinated Organic Pollutants, Volume 87 in the Comprehensive Analytical Chemistry series, contains a wide range of topics on flame retardants in the environment, specifically focusing on halogenated flame retardants. New chapters in this release include an Introduction of emerging halogenated flame retardants in the environment, Analysis of emerging halogenated flame Retardants in environment, Toxicity of emerging halogenated organic chemicals, Occurrence and fate of emerging halogenated flame retardants in environment, Emerging halogenated flame retardants in indoor environment, Food contamination on emerging halogenated flame retardants, Human exposure to emerging halogenated flame retardants, and much more. Provides the current research results on emerging halogenated flame retardants Contains all research subjects about emerging halogenated flame retardants, from analysis to human exposure Presents critical information on halogenated flame retardants
Download or read book Ultrasonics written by Dale Ensminger and published by CRC Press. This book was released on 2011-09-19 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in power electronics greatly benefit the multidisciplinary field of modern ultrasonics. More powerful, compact, and versatile electronic chips and software enable new computer-based devices for real-time data capture, storage, analysis, and display and advance the science and technology employed in commercial systems and applications of ultrasound. Reviewing the scientific basis behind these improvements, Ultrasonics: Fundamentals, Technologies, and Applications, Third Edition discusses them in detail, with new and additional figures and references, offering a completely revised and expanded examination of the state of modern ultrasonics. This new edition of a bestselling industry reference discusses the full breadth of ultrasonics applications for industrial and medical use and provides the fundamentals and insights gathered over the authors’ collective 80 years in the field. It provides a unique and comprehensive treatment of the science and technology behind the latest advancements and applications in both low and high power implementations. Coverage combines fundamental physics, a review and analysis of sensors and transducers, and the systems required for the full spectrum of industrial, nondestructive testing and medical and biomedical uses. It includes citations of numerous references and covers both main stream and the more unusual and obscure applications of ultrasound. Ultrasonics is ubiquitous in its industrial applications for sensing, NDT, and process measurements, in high power forms for processing and sonochemistry, as well as in medical procedures where it is used for diagnosis, therapy and surgery. This book provides a complete overview of the field, presenting numerous applications, cutting-edge advancements and improvements, additional figures and references, and a look at future directions.
Book Synopsis Advances in Water Treatment and Pollution Prevention by : Sanjay K. Sharma
Download or read book Advances in Water Treatment and Pollution Prevention written by Sanjay K. Sharma and published by Springer Science & Business Media. This book was released on 2012-06-19 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Water Treatment and Pollution Prevention explores the most up-to-date studies in the field of water pollution. More specifically, this book examines the causes and effects of this threatening phenomenon and identifies the preventive measures that can be taken to contain, and even to defeat, water pollution worldwide. The papers gathered in this volume pinpoint the need to implement greener water treatments to prevent water pollution from impacting ecosystems, human well-being and economies any further. They also successfully outline the processes that have been studied, optimized and developed so far to sustain our environment. Advances in Water Treatment and Pollution Prevention will represent a valuable resource to academic researchers, students, institutions, environmentalists, and anyone interested in environmental policies aimed at safeguarding both the quality and the quantity of water.
Book Synopsis Sonochemistry by : Felipe López-Saucedo
Download or read book Sonochemistry written by Felipe López-Saucedo and published by CRC Press. This book was released on 2024-08-30 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the most pertinent aspects and advancements in sonochemistry, dedicating nine chapters to fundamentals, synthesis methods, and applications. Covering ultrasound as the primary energy source, the initial chapters cover the interaction of ultrasound waves with matter and its diverse applications across various fields. The text further delves into the synthesis of nanomaterials and nanocomposites under varying reaction conditions. Finally, the book examines specific topics, including the application of sonochemistry in wastewater treatment, catalysts, sensors, meat processing, and food packaging. These insights indicate that sonochemistry is an emerging science with promising applications extending beyond the confines of the laboratory.
Book Synopsis Advanced Water Treatment by : Mika Sillanpaa
Download or read book Advanced Water Treatment written by Mika Sillanpaa and published by Elsevier. This book was released on 2020-01-08 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Water Treatment: Electrochemical Methods reviews the current state-of-the-art in the electrochemical-based methods for water treatment, the effectiveness of the electrochemical oxidation technique in inactivating different primary biofilm forming paper mill bacteria, as well as sulfide and organic material in pulp and paper mill wastewater in laboratory-scale batch experiments. Various electrodes are described, including boron-doped diamond, mixed metal oxide, PbO2, and their impacts on inactivation efficiency of parameters, such as current density and initial pH or chloride concentration of synthetic paper machine water. The mechanisms of action of various electrodes in different systems are reported. The book is a source of information for environmental and chemical engineers due to the number of methods and industry-focused application cases and researchers who study the transition from a laboratory environment to practical applications. Includes the most recent research on advanced water treatment by electrochemical methods Describes the use of electrochemical cleaning of paper mill wastewaters Includes techniques for cleaning mining waters and removal of organic pollutants by electrochemical methods
