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Author: United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 29
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Book Description
Author: United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 29
Get Book Here
Book Description
Author: United States Environmental Protection Agency
Publisher:
ISBN:
Category :
Languages : en
Pages : 29
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309049946
Category : Science
Languages : en
Pages : 334
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Book Description
There may be nearly 300,000 waste sites in the United States where ground water and soil are contaminated. Yet recent studies question whether existing technologies can restore contaminated ground water to drinking water standards, which is the goal for most sites and the result expected by the public. How can the nation balance public health, technological realities, and cost when addressing ground water cleanup? This new volume offers specific conclusions, outlines research needs, and recommends policies that are technologically sound while still protecting health and the environment. Authored by the top experts from industry and academia, this volume: Examines how the physical, chemical, and biological characteristics of the subsurface environment, as well as the properties of contaminants, complicate the cleanup task. Reviews the limitations of widely used conventional pump-and-treat cleanup systems, including detailed case studies. Evaluates a range of innovative cleanup technologies and the barriers to their full implementation. Presents specific recommendations for policies and practices in evaluating contamination sites, in choosing remediation technologies, and in setting appropriate cleanup goals.
Author: Hans F. Stroo
Publisher: Springer Science & Business Media
ISBN: 1461441153
Category : Technology & Engineering
Languages : en
Pages : 421
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Book Description
This volume provides a review of the past 10 to 15 years of intensive research, development and demonstrations that have been on the forefront of developing bioaugmentation into a viable remedial technology. This volume provides both a primer on the basic microbial processes involved in bioaugmentation, as well as a thorough summary of the methodology for implementing the technology. This reference volume will serve as a valuable resource for environmental remediation professionals who seek to understand, evaluate, and implement bioaugmentation.
Author:
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 76
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Book Description
Author: Arun R. Gavaskar
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 198
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Book Description
Because of the limitations of conventional pump-and-treat systems in treating groundwater contaminants, permeable barriers are potentially more cost-effective than pump-and-treat systems for treating dissolved chlorinated solvent plumes, which may persist in the saturated zone for several decades. Other contaminants, such as chromium or other soluble heavy metals, can also be treated with this technology. Permeable Barriers for Groundwater Remediation discusses the types of permeable barriers, their design and construction, and how they can be monitored to evaluate compliance. It provides practical guidance on reactive media selection, treatability testing, hydrogeologic and geochemical modeling, and innovative installation techniques for the evaluation and application of this promising new technology. The types of permeable barriers discussed include: trench-type and caisson-based reactive cells; innovative emplacements, such as horizontal trenching and jetting; and continuous reactive barriers versus funnel-and-gate systems.
Author: Srujana Kathi
Publisher: Elsevier
ISBN: 0128230037
Category : Technology & Engineering
Languages : en
Pages : 316
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Book Description
Cost-Effective Technologies for Solid Waste and Wastewater Treatment synthesizes methods, case studies, and analyses of various state-of-the-art techniques for removing contaminants from wastewater, solid waste, or sewage and converting or reusing the waste with minimum impact on the environment. Focusing on innovative treatment strategies, as well as recent modifications to conventional processes, the book covers methods for a complex variety of emerging pollutants including organic matter, chemicals, and micropollutants resulting from developmental and industrial activities. Serving as a practical guide to state-of-the-art methods, Cost-Effective Technologies for Solid Waste and Wastewater Treatment also delivers foundational information on the practical design of treatment and reuse systems and explains the treatments in terms of scale, efficiency, and effectiveness. It focuses on cost-effective technologies that are particularly applicable to environmental clean-up, such as bioaugmentation and biostimulation of plastics, activated carbon, phytoremediation, crude oil pollution stress, adsorbents, contaminants of emerging concern, anaerobic digestion, in situ chemical oxidation (ISCO), biosorption, bioremediation, radioactive contaminants, constructed wetlands, nanoremediation, and rainwater. As such, it is a valuable and practical resource for researchers, students, and managers in the fields of environmental science and engineering, as well as wastewater management, chemical engineering, and biotechnology. • Presents low-cost treatment technologies for both solid waste and wastewater • Analyzes the efficiency and effectiveness of state-of-the-art technologies • Includes methods and case studies for practical application
Author:
Publisher:
ISBN:
Category : Groundwater
Languages : en
Pages : 98
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Book Description
Author: Judith Nathanail
Publisher: EPP Publications
ISBN: 1900995077
Category : Pollution
Languages : en
Pages : 610
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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Book Description
The main objective of this research is to develop a computer code that will facilitate design of robust risk based pump and treat groundwater remediation and management systems. The resulting systems will operate under both gradient and concentration constraints. The design is a least cost design. The element of risk in the remediation design considered in this work is that due to the uncertainty in the hydraulic conductivity of the contaminated aquifer in question. Considerable work has been done in the field of optimal groundwater remediation and management design. Existent design algorithms depend upon the reliability of the groundwater flow and transport models to predict the movement of contamination in a given aquifer. The reliability of these mathematical models is, in turn, dependent upon variables that describe the physical attributes of the aquifer in question. The hydraulic conductivity of the aquifer is the most influential of the state variables that are used to de scribe groundwater flow and transport. Many models assume the hydraulic conductivity is known with certainty. However, field data shows that the hydraulic conductivity is uncertain An immediate goal of this research is to successfully apply a new method of optimization to incorporate uncertainty in hydraulic conductivity into the groundwater remediation design subject to gradient and concentration constraints. In doing this, a new method of sampling uncertainty distributions has been formulated and successfully implemented. A new method of solving nonconvex optimization problems has also been successfully developed and applied. This method, called the tunneling method, is an efficient technique for solving optimization problems where multiple interior local minimum values exist in the feasible region (3). The results of this work provide a tool to create cost-effective design-risk-based groundwater-management systems.
