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Introductory technical guidance for civil and environmental engineers and construction managers interested in remediation of hazardous groundwater and industrial wastewater. Here is what is discussed: 1. INTRODUCTION 2. THEORY AND DISCUSSION 3. COAGULANTS, POLYELECTROLYTES, AND COAGULANT AIDS 4. MIXING—GENERAL DISCUSSION AND THEORY 5. TREATABILITY TESTING 6. PRE-TREATMENT REQUIREMENTS.
Introductory technical guidance for civil and environmental engineers and construction managers interested in hazardous groundwater remediation. Here is what is discussed: 1. GENERAL DISCUSSION AND THEORY 2. HYDROXIDE PRECIPITATION 3. SULFIDE PRECIPITATION 4. CARBONATE PRECIPITATION 5. OTHER PRECIPITATION TECHNIQUES.
Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated since the 1st Edition it has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. A thorough gamut of treatment scenarios is attempted, including turbidity, color and organics removal, including the technical aspects of enhanced coagulation. The effects of temperature and ionic content are described as well as the removal of specific substances such as arsenic and phosphorus. Chemical phosphorus removal is dealt with in detail, Rapid mixing for efficient coagulant utilization, and flocculation are dealt with in specific chapters. Water treatment plant waste sludge disposal is dealt with in considerable detail, in an Appendix devoted to this subject. Invaluble for water scientists, engineers and students of this field, Coagulation and Flocculation in Water and Wastewater Treatment is a convenient reference handbook in the form of numerous examples and appended information.
This volume provides in-depth coverage of environmental pollution sources, waste characteristics, control technologies, management strategies, facility innovations, process alternatives, costs, case histories, effluent standards, and future trends in waste treatment processes. It delineates methodologies, technologies, and the regional and global effects of important pollution control practices. It focuses on specific industrial and manufacturing wastes and their remediation. Topics include: heavy metals, electronics, chemical, and textile manufacturing.
Bullock and Haddow have set the standard for homeland security textbooks, and they follow up their top-selling second edition with this substantially improved third edition. Professional practitioners value the decades of experience that the authors bring to their analysis, and their passionate argument for an all-hazards approach to enhancing America's safety is now presented still more cogently.Links to the most current online government information help to keep the text up-to-date in this rapidly developing field.The bedrock principles of preparing for, mitigating, managing, and recovering from a disaster remain the same through the years, and this revision emphasizes their value with new clarity and conviction. - New chapter on the future of homeland security - Updates include developments since 2006, such as the shift from DHS to HHS of National Disaster Medical System - Slideshow of key moments in American homeland security, including 9/11 and Katrina
Coagulation and Flocculation in Water and Wastewater Treatment provides a comprehensive account of coagulation and flocculation techniques and technologies in a single volume covering theoretical principles to practical applications. Thoroughly revised and updated this new edition has been progressively modified and increased in scope to cater for the requirements of practitioners involved with water and wastewater treatment. New topics in this new edition include : • activated sludge bulking and foaming control and enhanced bioflocculation; • algae removal and harvesting; • dissolved organic nitrogen (DON) removal; • inorganics removal; • turbidity and its measurement; • wastewater treatment by coagulation and chemically enhanced primary treatment (CEPT). The book presents the subject logically and sequentially from theoretical principles to practical applications. Successive chapters deal with, in turn, properties of materials present in waters and wastewaters; characteristics and types of coagulants commonly in use; mechanisms and practical implications of destabilization of waterborne material using metal coagulants and polyelectrolytes; considerations and requirements for coagulant addition at the rapid mixing stage; theoretical and practical considerations of flocculation; and details of experimental procedures for assessing primary coagulants, flocculant aids, sludge conditioners, and flocculation parameters. Numerous examples are included as appropriate. Treatment and disposal of sludges resulting from coagulation-flocculation related operations is dealt with in an Appendix. This important topic has been separated from the main text to avoid disturbing the continuum of the presentation. Coagulation and Flocculation in Water and Wastewater Treatment is a readable and useful resource for the water scientist and engineer. It is a convenient reference handbook providing numerous examples and appended information and it is a vital text for course material for undergraduate and postgraduate students.
Hazardous Chemicals: Overview, Toxicological Profile, Challenges, and Future Perspectives offers comprehensive coverage of hazardous chemicals and their routes of exposures, mechanism of toxicity, hazard control measures, handling and storage, emergency guidelines, and safety measures. The book is organized into specific classifications of chemical hazards: pesticides, fertilizers, insecticides, automotive, paint and paint solvents, chemical manufacturing solvents, dyes, cleaning agents, pharmaceuticals, and radioactive products. It discusses the health risk and environmental impact of these toxic substances. It also provides management strategies including risk assessment, risk management, and risk communication. Hazardous Chemicals is a practical resource for researchers, academics, industry professionals, graduate and postgraduate students in toxicology and environmental science engaged in the evaluation of toxic substances and human health concerns. - Covers exposure routes, health impacts, risk assessment and control measures of hazardous chemicals - Includes storage and handling information for personnel vulnerable to hazards and risks from the toxic substances - Provides case studies related to toxic substances that have resulted in a disastrous event - Examines recent research trends in the field of specific toxic substances
Development of advanced technologies is a critical component in overcoming the looming water crisis. Stressing emerging technologies and strategies that facilitate water sustainability for future generations, the second volume in the two-volume set Sustainable Water Management and Technologies provides current and forthcoming technologies research, development, and applications to help ensure availability of water for all. The book emphasizes emerging nanotechnology, biotechnology, and information technology?applications as well as sustainable processes and products to protect the environment and human health, save water and energy, and minimize material use. It also discusses such topics as groundwater transport, protection, and remediation, industrial and wastewater treatment, reuse, and disposal, membrane technology for water purification and desalination, treatment and disposal in unconventional oil and gas development, biodegradation, and bioremediation for soil and water. ? Stresses emerging technologies and strategies that facilitate water sustainability. Covers a wide array of topics including drinking water, wastewater, and groundwater treatment, protection, and remediation. Discusses oil and gas drilling impacts and pollution prevention, membrane technology for water desalination and purification, biodegradation, and bioremediation for soil and water. Details emerging nanotechnology, biotechnology, and information technology applications, as well as sustainable processes and products.
Environmental remediation technologies to control or prevent pollution from hazardous waste material is a growing research area in academia and industry, and is a matter of utmost concern to public health, to improve ecology and to facilitate the redevelopment of a contaminated site. Recently, in situ and ex situ remediation technologies have been developed to rectify the contaminated sites, utilizing various tools and devices through physical, chemical, biological, electrical, and thermal processes to restrain, remove, extract, and immobilize mechanisms to minimize the contamination effects. This handbook brings altogether classical and emerging techniques for hazardous wastes, municipal solid wastes and contaminated water sites, combining chemical, biological and engineering control methods to provide a one-stop reference. This handbook presents a comprehensive and thorough description of several remediation techniques for contaminated sites resulting from both natural processes and anthropogenic activities. Providing critical insights into a range of treatments from chemical oxidation, thermal treatment, air sparging, electrokinetic remediation, stabilization/solidification, permeable reactive barriers, thermal desorption and incineration, phytoremediation, biostimulation and bioaugmentation, bioventing and biosparging through ultrasound-assisted remediation methods, electrochemical remediation methods, and nanoremediation, this handbook provides the reader an inclusive and detailed overview and then discusses future research directions. Closing chapters on green sustainable remediation, economics, health and safety issues, and environmental regulations around site remediation will make this a must-have handbook for those working in the field.