Plating Waste Sludge Metal Recovery
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Plating Waste Sludge Metal Recovery
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Author : Malcolm T. Hepworth
language : en
Publisher:
Release Date : 1985
Plating Waste Sludge Metal Recovery written by Malcolm T. Hepworth and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Metal coating categories.
The U.S. Army Toxic and Hazardous Materials Agency has requested that AMAX Extractive Research & Development, Inc. conduct a five-phase program to review literature on the current state-of-the-art in metal recovery from plating wastes, to propose a typical plating sludge composition and aging treatment in lieu of actual U.S. Army plating wastes), to develop a research and design test plan for treating this typical plating sludge, to conduct the test program, and to summarize the results in a final report. The final report proposes a sulfuric acid leach of hydroxide plating sludges, containing copper, cadmium, zinc, nickel, iron, and chromium, to extract greater than 99 percent of the heavy metal values, followed by lime treatment of the resulting filter cake to render it nonhazardous to EP testing. The sulfuric acid leach extract may be treated by selective sulfide precipitation at a controlled pH regime in order to produce a mixed sulfide of copper and cadmium with most of the zinc present in the original extract separate from a leach liquor containing more than 98 percent of the chromium, which does not form a sulfide precipitate, Nickel and iron are not selectively separated under the sulfide precipitation conditions. However, a solvent extraction process using di(2-ethyl-hexyl) phosphoric acid can be used for recovering nickel, iron, and chromium from the resulting filtrate. Originator-supplied keywords: Plating sludge, Acid leach, EP toxicity, Metals, Separation, Extraction, and Recovery.
Management Of Metal Finishing Sludge
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Author : E. P. Crumpler
language : en
Publisher:
Release Date : 1977
Management Of Metal Finishing Sludge written by E. P. Crumpler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Metals categories.
Metal Recovery From Industrial Waste
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Author : Clyde S. Brooks
language : en
Publisher: CRC Press
Release Date : 2018-01-18
Metal Recovery From Industrial Waste written by Clyde S. Brooks and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-18 with Technology & Engineering categories.
This book is offered as a practical primer on the hydrometallurgy of nonferrous metal reclamation from industrial wastes, as well as a brief discussion of pyrometallurgy, biological, and other separation processes. The objectives are to acquaint nontechnical readers with the subject as well as providing a detailed survey of current research and industrial practice to technical readers concerned with the management of industrial waste.
Hazardous Waste Reducation In The Metal Finishing Industry
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Author : PRC Environmental Management, Inc
language : en
Publisher: William Andrew
Release Date : 1989-12-31
Hazardous Waste Reducation In The Metal Finishing Industry written by PRC Environmental Management, Inc and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-12-31 with Crafts & Hobbies categories.
"From the Foreword: " This book presents the results of a waste audit study for the metal finishing industry. The study, carried out for the State of California but applicable for metal finishers elsewhere, identifies opportunities for waste reduction available to the metal finishing industry and develops procedures that can be used by metal finishers to assess their own waste reduction opportunities. The study emphasizes technologies available to small- and medium-sized metal finishing plants. Typically, these shops operate a variety of physical, chemical, and electrochemical processes. Chemical processes include degreasing, cleaning, pickling, etching, coating, and electroless plating. Electrochemical processes include plating and anodizing. The tasks included in the study were: (1) selecting metal finishing plants to include in the study, (2) performing a waste audit at each selected plant, (3) developing recommendations for implementing waste reduction technologies at each audited plant, (4) discussing with facility representatives the feasibility of implementing the waste reduction recommendations, and (5) developing this waste audit study report and methodology. The study identifies three categories of waste reduction technologies that are available to metal finishers: (1) source reduction, (2) recycling and resource recovery, and (3) alternative treatment. The costs associated with implementing these technologies range from a few hundred dollars for making simple improvements in housekeepiing and minor process modifications to tens of thousands of dollars for installing recovery or treatment units. The benefits realized from implementing such improvements include reductions inmaterial purchase and waste disposal costs, as well as reduction in the liability
Metal Value Recovery From Metal Hydroxide Sludges
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Author : L. G. Twidwell
language : en
Publisher:
Release Date : 1988
Metal Value Recovery From Metal Hydroxide Sludges written by L. G. Twidwell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Chromium categories.
Recovery Of Metals From Sludges And Wastewaters
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Author :
language : en
Publisher: Noyes Publications
Release Date : 1993-01-01
Recovery Of Metals From Sludges And Wastewaters written by and has been published by Noyes Publications this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-01-01 with Science categories.
State-of-the-art metals treatment and recovery technologies to assist in identifying waste management options.
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1991
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Hydrology categories.
Annual Department Of Defense Bibliography Of Logistics Studies And Related Documents
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Author : United States. Defense Logistics Studies Information Exchange
language : en
Publisher:
Release Date : 1986
Annual Department Of Defense Bibliography Of Logistics Studies And Related Documents written by United States. Defense Logistics Studies Information Exchange and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Military research categories.
Waste Reduction Activities And Options For A Manufacturer Of Electroplating Chemical Products
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Author : Alan Ulbrecht
language : en
Publisher:
Release Date : 1992
Waste Reduction Activities And Options For A Manufacturer Of Electroplating Chemical Products written by Alan Ulbrecht and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Electroplating chemicals industry categories.
Federal Register
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Author :
language : en
Publisher:
Release Date : 2000-03
Federal Register written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03 with Administrative law categories.