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Author: Stephen J. Druschel Publisher: ISBN: Category : Building sites Languages : en Pages : 235
Book Description
This report presents the evaluation of chemical treatment practices known as flocculation for purifying construction site runoff of sediment, suspended solids and colloidal particles. Flocculation is generally used in combination with traditional sedimentation and filtration methods related to stormwater pollution prevention and dewatering fluid treatment. In particular, this report presents the best management practices (BMPs) for evaluation and design of flocculant treatment methods and technologies and the associated sizing for flows representative of field operations. Soil samples from across Minnesota, representing the wide range of geologic and geomorphological conditions, were used to identify differences in flocculant applicability and effectiveness.
Author: Stephen J. Druschel Publisher: ISBN: Category : Building sites Languages : en Pages : 235
Book Description
This report presents the evaluation of chemical treatment practices known as flocculation for purifying construction site runoff of sediment, suspended solids and colloidal particles. Flocculation is generally used in combination with traditional sedimentation and filtration methods related to stormwater pollution prevention and dewatering fluid treatment. In particular, this report presents the best management practices (BMPs) for evaluation and design of flocculant treatment methods and technologies and the associated sizing for flows representative of field operations. Soil samples from across Minnesota, representing the wide range of geologic and geomorphological conditions, were used to identify differences in flocculant applicability and effectiveness.
Author: Richard Allen McLaughlin Publisher: ISBN: Category : Best management practices (Pollution prevention) Languages : en Pages : 23
Book Description
Chemical treatment systems (CTS) are implemented in areas where traditional, physical erosion and sediment control practices will not meet water quality goals for construction site runoff. The purpose of CTS is to reduce the amount of suspended sediment which would be released using conventional erosion control systems. The primary mechanism is the introduction of chemical flocculants into runoff, resulting in a binding of the suspended clays and silts together into larger particles which settle more quickly or can be filtered from the stormwater. Flow control through CTS is of vital importance for the proper dosing of stormwater runoff. All normal hydrologic analyses must be done to insure that reasonable peak flows are accounted for along with typical flows from designed storm events. Once analysis is adequately addressed, then the project can deal with the complexities of design and dose rate requirements. The overall objectives of this book are twofold. First, it is designed to provide a technically credible basis for best management practices for the use of CTS for turbidity reduction on road construction projects. Secondly, it is designed to identify the most important variables to address when selecting chemical treatment best management practices for a particular site.
Author: John Bratby Publisher: IWA Publishing ISBN: 1843391066 Category : Science Languages : en Pages : 421
Book Description
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.
Author: Richard Field Publisher: DEStech Publications, Inc ISBN: 9781932078466 Category : Nature Languages : en Pages : 286
Book Description
"Presents and compares all major stormwater/runoff control strategies ; New data on pollutant removal efficiencies, design, costs, environmental impacts and more ; Where and why to use the best techniques for limiting/monitoring diffuse pollution ; Provides the tools to meet regulations and improve water quality in urban/suburban watersheds"--From publisher's description.
Author: U. S. Department Of Transportation Publisher: Createspace Independent Publishing Platform ISBN: 9781723239113 Category : Languages : en Pages : 24
Book Description
Best management practices for chemical treatment systems for construction stormwater and dewatering [electronic resource] /
Author: Water Environment Federation Publisher: ASCE Publications ISBN: 9781572780392 Category : Technology & Engineering Languages : en Pages : 304
Book Description
This manual comprises a holistic view of urban runoff quality management. For the beginner, who has little previous exposure to urban runoff quality management, the manual covers the entire subject area from sources and effects of pollutants in urban runoff through the development of management plans and the design of controls. For the municipal stormwater management agency, guidance is given for developing a water quality management plan that takes into account receiving water use objectives, local climatology, regulation, financing and cost, and procedures for comparing various types of controls for suitability and cost effectiveness in a particular area. This guidance will also assist owners of large-scale urban development projects in cost-effectively and aesthetically integrating water quality control to the drainage plan. The manual is also directed to designers who desire a self-contained unit that discusses the design of specific quality controls for urban runoff.
Author: J. Paul Guyer Publisher: Independently Published ISBN: 9781718095571 Category : Technology & Engineering Languages : en Pages : 32
Book Description
This publication provides introductory technical guidance for environmental engineers, civil engineers and other professional engineers and construction management interested in water treatment by coagulation and flocculation methods. Here is what is discussed: 1. INTRODUCTION, 2. COAGULANTS, POLYELECTROLYTES, AND COAGULANT AIDS, 3. MIXING - GENERAL DISCUSSION AND THEORY, 4. TREATABILITY TESTING, 5. PRE-TREATMENT REQUIREMENTS
Author: National Research Council Publisher: National Academies Press ISBN: 0309172683 Category : Nature Languages : en Pages : 569
Book Description
In 1997, New York City adopted a mammoth watershed agreement to protect its drinking water and avoid filtration of its large upstate surface water supply. Shortly thereafter, the NRC began an analysis of the agreement's scientific validity. The resulting book finds New York City's watershed agreement to be a good template for proactive watershed management that, if properly implemented, will maintain high water quality. However, it cautions that the agreement is not a guarantee of permanent filtration avoidance because of changing regulations, uncertainties regarding pollution sources, advances in treatment technologies, and natural variations in watershed conditions. The book recommends that New York City place its highest priority on pathogenic microorganisms in the watershed and direct its resources toward improving methods for detecting pathogens, understanding pathogen transport and fate, and demonstrating that best management practices will remove pathogens. Other recommendations, which are broadly applicable to surface water supplies across the country, target buffer zones, stormwater management, water quality monitoring, and effluent trading.
Author: Stephen J. Druschel
Author: Stephen J. Druschel
Author: Richard Allen McLaughlin
Author: John Bratby
Author: Richard Field![Best Management Practices for Chemical Treatment Systems for Construction Stormwater and Dewatering [electronic Resource] / PDF](https://books.google.com/books/content/images/frontcover/KJiMuQEACAAJ?fife=w80-h100)
Author: U. S. Department Of Transportation
Author: Water Environment Federation
Author: J. Paul Guyer
Author: National Research Council
Author: Erich Brandstetter
Author: