Downwards Hydraulic Transport Of Solids Of Extremely Heterogeneous Composition

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Slurry Transport Using Centrifugal Pumps

Author : K. C. Wilson
Publisher : Springer Science & Business Media
ISBN 13 : 9780387232621
Total Pages : 456 pages
Book Rating : 4.2/5 (326 download)

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Book Synopsis Slurry Transport Using Centrifugal Pumps by : K. C. Wilson

Download or read book Slurry Transport Using Centrifugal Pumps written by K. C. Wilson and published by Springer Science & Business Media. This book was released on 2008-03-28 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1,1 Applications of Slurry Transport Vast tonnages are pumped every year in the form of solid-liquid mixtures, known as slurries. The application which involves the largest quantities is the dredging industry, continually maintaining navigation in harbours and rivers, altering coastlines and winning material for landfill and construction purposes. As a single dredge may be required to maintain a throughput of 7000 tonnes of slurry per hour or more, very large centrifugal pumps are used. Figures 1-1 and 1-2 show, respectively, an exterior view of this type of pump, and a view of a large dredge-pump impeller (Addie & Helmley, 1989). The manufacture of fertiliser is another process involving massive slur- transport operations. Li Florida, phosphate matrix is recovered by huge draglines in open-pit mining operations. It is then slurried, and pumped to the wash plants through pipelines with a typical length of about 10 kilometres. Each year some 34 million tonnes of matrix are transported in this manner. This industry employs centrifugal pumps that are generally smaller than those used in large dredges, but impeller diameters up to 1. 4 m are common, and drive capacity is often in excess of 1000 kW. The transport distance is typically longer than for dredging applications, and Chapter 1 Figure LI. Testing a dredge pump at the GIW Hydraulic Laboratory Figure 1. 2. Impeller for large dredge pump 1. Introduction 3 hence a series of pumping stations is often used. Figure 1-3 shows a boost- pump installation in a phosphate pipeline.

Hydrotransport 8

Author : Herbert Simon Stephens
Publisher :
ISBN 13 :
Total Pages : 558 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Hydrotransport 8 by : Herbert Simon Stephens

Download or read book Hydrotransport 8 written by Herbert Simon Stephens and published by . This book was released on 1982 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Vadose Zone Hydrology

Author : Marc B. Parlange
Publisher : Oxford University Press
ISBN 13 : 0198026994
Total Pages : 473 pages
Book Rating : 4.1/5 (98 download)

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Book Synopsis Vadose Zone Hydrology by : Marc B. Parlange

Download or read book Vadose Zone Hydrology written by Marc B. Parlange and published by Oxford University Press. This book was released on 1999-08-05 with total page 473 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vadose zone is the region between ground level and the upper limits of soil fully saturated with water. Hydrology in the zone is complex: nonlinear physical, chemical, and biological interactions all affect the transfer of heat, mass, and momentum between the atmosphere and the water table. This book takes an interdisciplinary approach to vadose zone hydrology, bringing together insights from soil science, hydrology, biology, chemistry, physics, and instrumentation design. The chapters present state-of-the-art research, focusing on new frontiers in theory, experiment, and management of soils. The collection addresses the full range of processes, from the pore-scale to field and landscape scales.

The Exploitation of Natural Resources and the Consequences

Author : R. W. Sarsby
Publisher : Thomas Telford
ISBN 13 : 9780727730046
Total Pages : 618 pages
Book Rating : 4.7/5 (3 download)

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Book Synopsis The Exploitation of Natural Resources and the Consequences by : R. W. Sarsby

Download or read book The Exploitation of Natural Resources and the Consequences written by R. W. Sarsby and published by Thomas Telford. This book was released on 2001 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the pressure to conserve agricultural land and green-field sites has grown it has become increasingly important to reclaim land that has been damaged by past industrial usage, e.g. areas of mining subsidence, tailings dams and lagoons. Furthermore the need to conserve primary aggregates is providing an impetus for re-use of waste materials in engineered construction.This book is the proceedings of the GREEN3, the third in a four-yearly series of international symposia that discuss aspects of geotechnical engineering intimately related to the environment.

CRC Handbook of Laboratory Model Systems for Microbial Ecosystems, Volume I

Author : Julian W.T. Wimpenny
Publisher : CRC Press
ISBN 13 : 1351366467
Total Pages : 368 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis CRC Handbook of Laboratory Model Systems for Microbial Ecosystems, Volume I by : Julian W.T. Wimpenny

Download or read book CRC Handbook of Laboratory Model Systems for Microbial Ecosystems, Volume I written by Julian W.T. Wimpenny and published by CRC Press. This book was released on 2019-01-15 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: These volumes present the main classes of useful laboratory model systems used to study microbial ecosystems, with emphasis on the practical details for the use of each model. The most commonly used model, the homogeneous fermenter, is featured along with linked homogeneous culture systems, film fermenters, and percolating columns. Additionally, gel-stabilized culture systems which incorporate molecular diffusion as their main solute transfer mechanism and the microbial colony are explained. Chapters comparing model systems with "microcosms" are included, along with discussions of the value of computer models in microbial ecosystem research. Highlighted is a global discussion of the value of laboratory models in microbial ecology.

Standard Handbook for Solid and Hazardous Waste Facility Assessments

Author : Martin N. Sara
Publisher : CRC Press
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Standard Handbook for Solid and Hazardous Waste Facility Assessments by : Martin N. Sara

Download or read book Standard Handbook for Solid and Hazardous Waste Facility Assessments written by Martin N. Sara and published by CRC Press. This book was released on 1994 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt: This landmark new book sets the standard for planning, performing, and interpreting investigations for solid and hazardous waste sites and selecting appropriate locations for ground-water monitoring. It covers the technical components of assessment monitoring programs that define both the rate and extent of contamination and provide design criteria for aquifer remediation. Technical tools are discussed in detail to provide background techniques such as flow net constructions, cross section instructions, and documentation standards. More than 500 figures and tables illustrate the author's structured holistic program for examining the physical, chemical, and environmental factors of a site for waste disposal. The technical aspects of site assessments regarding contaminated ground-water evaluation and remediation are also covered in detail. Learn the fundamentals of site assessments This classic guide explains the fundamentals of a technical approach to site assessments. It is the principle text used for training EPA regional project managers for Superfund sites. The book uses a practical, step-by-step format to walk you through the following tasks:

Characterization, Modeling, Monitoring, and Remediation of Fractured Rock

Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309373727
Total Pages : 177 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Characterization, Modeling, Monitoring, and Remediation of Fractured Rock by : National Academies of Sciences, Engineering, and Medicine

Download or read book Characterization, Modeling, Monitoring, and Remediation of Fractured Rock written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2021-01-29 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fractured rock is the host or foundation for innumerable engineered structures related to energy, water, waste, and transportation. Characterizing, modeling, and monitoring fractured rock sites is critical to the functioning of those infrastructure, as well as to optimizing resource recovery and contaminant management. Characterization, Modeling, Monitoring, and Remediation of Fractured Rock examines the state of practice and state of art in the characterization of fractured rock and the chemical and biological processes related to subsurface contaminant fate and transport. This report examines new developments, knowledge, and approaches to engineering at fractured rock sites since the publication of the 1996 National Research Council report Rock Fractures and Fluid Flow: Contemporary Understanding and Fluid Flow. Fundamental understanding of the physical nature of fractured rock has changed little since 1996, but many new characterization tools have been developed, and there is now greater appreciation for the importance of chemical and biological processes that can occur in the fractured rock environment. The findings of Characterization, Modeling, Monitoring, and Remediation of Fractured Rock can be applied to all types of engineered infrastructure, but especially to engineered repositories for buried or stored waste and to fractured rock sites that have been contaminated as a result of past disposal or other practices. The recommendations of this report are intended to help the practitioner, researcher, and decision maker take a more interdisciplinary approach to engineering in the fractured rock environment. This report describes how existing tools-some only recently developed-can be used to increase the accuracy and reliability of engineering design and management given the interacting forces of nature. With an interdisciplinary approach, it is possible to conceptualize and model the fractured rock environment with acceptable levels of uncertainty and reliability, and to design systems that maximize remediation and long-term performance. Better scientific understanding could inform regulations, policies, and implementation guidelines related to infrastructure development and operations. The recommendations for research and applications to enhance practice of this book make it a valuable resource for students and practitioners in this field.

Rock Fractures and Fluid Flow

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309176883
Total Pages : 568 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Rock Fractures and Fluid Flow by : National Research Council

Download or read book Rock Fractures and Fluid Flow written by National Research Council and published by National Academies Press. This book was released on 1996-08-27 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific understanding of fluid flow in rock fracturesâ€"a process underlying contemporary earth science problems from the search for petroleum to the controversy over nuclear waste storageâ€"has grown significantly in the past 20 years. This volume presents a comprehensive report on the state of the field, with an interdisciplinary viewpoint, case studies of fracture sites, illustrations, conclusions, and research recommendations. The book addresses these questions: How can fractures that are significant hydraulic conductors be identified, located, and characterized? How do flow and transport occur in fracture systems? How can changes in fracture systems be predicted and controlled? Among other topics, the committee provides a geomechanical understanding of fracture formation, reviews methods for detecting subsurface fractures, and looks at the use of hydraulic and tracer tests to investigate fluid flow. The volume examines the state of conceptual and mathematical modeling, and it provides a useful framework for understanding the complexity of fracture changes that occur during fluid pumping and other engineering practices. With a practical and multidisciplinary outlook, this volume will be welcomed by geologists, petroleum geologists, geoengineers, geophysicists, hydrologists, researchers, educators and students in these fields, and public officials involved in geological projects.

Engineering Materials 2

Author : Michael F. Ashby
Publisher : Elsevier
ISBN 13 : 1483297217
Total Pages : 380 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Engineering Materials 2 by : Michael F. Ashby

Download or read book Engineering Materials 2 written by Michael F. Ashby and published by Elsevier. This book was released on 2014-06-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a thorough explanation of the basic properties of materials; of how these can be controlled by processing; of how materials are formed, joined and finished; and of the chain of reasoning that leads to a successful choice of material for a particular application. The materials covered are grouped into four classes: metals, ceramics, polymers and composites. Each class is studied in turn, identifying the families of materials in the class, the microstructural features, the processes or treatments used to obtain a particular structure and their design applications. The text is supplemented by practical case studies and example problems with answers, and a valuable programmed learning course on phase diagrams.

Scientific Investigations Report

Author : Sharon E. Kroening
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Scientific Investigations Report by : Sharon E. Kroening

Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Contaminants in the Subsurface

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030909447X
Total Pages : 371 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Contaminants in the Subsurface by : National Research Council

Download or read book Contaminants in the Subsurface written by National Research Council and published by National Academies Press. This book was released on 2005-04-23 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.

Anticorrosive Rubber Lining

Author : Chellappa Chandrasekaran
Publisher : William Andrew
ISBN 13 : 0323444857
Total Pages : 296 pages
Book Rating : 4.3/5 (234 download)

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Book Synopsis Anticorrosive Rubber Lining by : Chellappa Chandrasekaran

Download or read book Anticorrosive Rubber Lining written by Chellappa Chandrasekaran and published by William Andrew. This book was released on 2017-05-23 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anticorrosive Rubber Lining discusses the state-of-the-art in this evolving industry, including sections on the best materials and formulations to use, what's best for a particular application, which repair technique is best for a given application, how long a rubber lining is likely to last, vulcanization parameters, and more. This book deals with the important field of anticorrosive rubber lining and its applications in various industries, including oil and gas, nuclear, aerospace, maritime, and many more, highlighting many of the technological aspects involved. The author offers a unique perspective due to the exclusiveness of the case histories presented, including many industrial rubber lining practices which are mostly kept within the industry. The technical information on rubber presented here is a practical tool to enable engineers to make the best use of rubber linings to prevent corrosion in chemical plants. The book includes valuable insights into bonding systems, surface preparation, and coating methodologies, and also covers failure analysis of failed systems. - Includes up-to-date technical information on special compounding and processing technology of recently developed synthetic rubbers - Provides detailed case studies from industry sectors, including aerospace, nuclear energy, and mining - Presents rare, valuable insider knowledge of current industry practice

Alternatives for Ground Water Cleanup

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309049946
Total Pages : 334 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Alternatives for Ground Water Cleanup by : National Research Council

Download or read book Alternatives for Ground Water Cleanup written by National Research Council and published by National Academies Press. This book was released on 1994-02-01 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Mining and Scientific Press

Author :
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Mining and Scientific Press by :

Download or read book Mining and Scientific Press written by and published by . This book was released on 1902 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Science Information of Japan. Oral Presentation

Author :
Publisher :
ISBN 13 :
Total Pages : 720 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Nuclear Science Information of Japan. Oral Presentation by :

Download or read book Nuclear Science Information of Japan. Oral Presentation written by and published by . This book was released on 2003 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Conveying and Handling of Particulate Solids

Author : A. Levy
Publisher : Elsevier
ISBN 13 : 0080533280
Total Pages : 871 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Handbook of Conveying and Handling of Particulate Solids by : A. Levy

Download or read book Handbook of Conveying and Handling of Particulate Solids written by A. Levy and published by Elsevier. This book was released on 2001-10-22 with total page 871 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook presents comprehensive coverage of the technology for conveying and handling particulate solids. Each chapter covers a different topic and contains both fundamentals and applications. Usually, each chapter, or a topic within a chapter, starts with one of the review papers. Chapter 1 covers the characterization of the particulate materials. Chapter 2 covers the behaviour of particulate materials during storage, and presents recent developments in storage and feeders design and performance. Chapter 3 presents fundamental studies of particulate flow, while Chapters 4 and 5 present transport solutions, and the pitfalls of pneumatic, slurry, and capsule conveying. Chapters 6, 7 and 8 cover both the fundamentals and development of processes for particulate solids, starting from fluidisation and drying, segregation and mixing, and size-reduction and enlargement. Chapter 9 presents environmental aspects and the classification of the particulate materials after they have been handled by one of the above-mentioned processes. Finally, Chapter 10 covers applications and developments of measurement techniques that are the heart of the analysis of any conveying or handling system.

Prevention of Actuator Emissions in the Oil and Gas Industry

Author : Karan Sotoodeh
Publisher : Gulf Professional Publishing
ISBN 13 : 0323919170
Total Pages : 164 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Prevention of Actuator Emissions in the Oil and Gas Industry by : Karan Sotoodeh

Download or read book Prevention of Actuator Emissions in the Oil and Gas Industry written by Karan Sotoodeh and published by Gulf Professional Publishing. This book was released on 2021-06-02 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prevention of Actuator Emissions in the Oil and Gas Industry delivers a critical reference for oil and gas engineers and managers to get up-to-speed on all the factors in actuator fugitive emissions. Packed with a selection process, the benefits of switching to an electric system, and the technology around open and closed loop hydraulic systems helps today's engineer understand all their options. Rounding with a detailed explanation around High Integrity Pressure Protection Systems (HIPPS), this book gives provides the knowledge necessary to lower emissions on today's equipment. - Gives readers all they need to understand all the sources and key factors contributing to fugitive emissions and leakage from oil and gas actuators - Teaches how to select environmentally friendly actuators, particularly all electric systems - Introduces the High Integrity Pressure Protection System (HIPPS) and the ways it reduces flaring