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Author :
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (967 download)
Download or read book Silver Recovery from Spent Photographic Solutions written by and published by . This book was released on 1991 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wasyl Kunda
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (76 download)
Download or read book Silver Recovery from Spent Photographic Solutions written by Wasyl Kunda and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond O. Dannenberg
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book Silver Recovery from Waste Photographic Solutions by Metallic Displacement written by Raymond O. Dannenberg and published by . This book was released on 1968 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Raymond O. Dannenberg
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (969 download)
Download or read book Silver Recovery from Waste Photographic Solutions by Metallic Displacement written by Raymond O. Dannenberg and published by . This book was released on 1968 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. O. Dannenberg
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (254 download)
Download or read book Silver Recovery from Waste Photographic Solutions by Metallic Displacements written by R. O. Dannenberg and published by . This book was released on 1968 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Syed Sabir
Publisher : World Scientific
ISBN 13 : 1786344599
Total Pages : 365 pages
Book Rating : 4.7/5 (863 download)
Download or read book Silver Recovery From Assorted Spent Sources: Toxicology Of Silver Ions written by Syed Sabir and published by World Scientific. This book was released on 2018-02-28 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silver holds three world records; it has the lowest contact resistance, highest electrical conductivity and the best thermal conductivity of all metals. The element's physical strength, brilliance and malleability leads to its many uses from electronics to optical applications.A new 'silver rush' has occurred following the recent discovery that silver, when divided to form particles at the nano scale, can take on new properties. Meanwhile, there has been an increase in regulations against environmental pollution of silver ions toxicity, which have caused numerous diseases and disorders in the marine, microbial, invertebrate and vertebrate community (including humans). Both of which have led to a great interest in silver recovery for both environmental toxicity and an economic point of view.Comprised of ten chapters, this book draws attention to the most advance technologies in silver recovery and recycling from various spent sources, which will appeal to research scientists and metallurgists. The state of the art in recovery of silver from different sources by hydrometallurgical and bio-metallurgical processing and varieties of leaching, cementing, reducing agents, adsorbents, and bio-sorbents are highlighted in this book.
Author : Franz Adrian Posey
Publisher :
ISBN 13 :
Total Pages : 15 pages
Book Rating : 4.:/5 (314 download)
Download or read book Method for the Recovery of Silver from Waste Photographic Fixer Solutions written by Franz Adrian Posey and published by . This book was released on 1982 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Method for the Recovery of Silver from Waste Photographic Fixer Solutions written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The method of the present invention is directed to the recovery of silver from spent photographic fixer solutions and for providing an effluent essentially silver-free that is suitable for discharge into commercial sewage systems. The present method involves the steps of introducing the spent photographic fixer solution into an alkaline hypochlorite solution. The oxidizing conditions of the alkaline hypochlorite solution are maintained during the addition of the fixer solution so that the silver ion complexing agents of thiosulfate and sulfite ions are effectively destroyed. Hydrazine monohydrate is then added to the oxidizing solution to form a reducing solution to effect the formation of a precipitate of silver which can be readily removed by filtration or decanting. Experimental tests indicate that greater than 99.99% of the original silver in the spent photographic fixer can be efficiently removed by practicing the present method. Also, the chemical and biological oxygen demand of the remaining effluent is significantly reduced so as to permit the discharge thereof into sewage systems at levels in compliance with federal and state environmental standards.
Author : Eastman Kodak Company
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (364 download)
Download or read book Recovering Silver from Photographic Materials written by Eastman Kodak Company and published by . This book was released on 1969 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Archie G. Buyers
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (227 download)
Download or read book Development and Application of Ion Exchange Silver Recovery System written by Archie G. Buyers and published by . This book was released on 1974 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was conducted on the feasibility and extent of application of the ion exchange process as a method for silver recovery from spent photographic fixer solutions. The study demonstrates the technical feasibility of using ion exchange systems to recover silver from photographic fixer solutions for silver concentrations between 0.05 and 0.5 gm/l. However, ion exchange system operation at or above silver concentrations of 0.5 gm/l appears to negate any cost advantages over the electrolytic recovery systems. In addition, operation at concentrations under 0.05 gm/l requires about 10 times the resin needed at concentrations of 1.0 mg/l. A previously postulated resin-fouling mechanism was supported by experimental exchange data from a series of synthetic spent fixer solutions. Fouling during silver stripping may be caused by the formation of colloidal sulfur and silver sulfide particles with electrostatic charges neutralized by anionic exchange sites of the resin. A re-examination proved that an aqueous sodium acetate prewash of an anionic exchange column is a satisfactory method of preventing resin fouling by inorganic colloids.
Author : United States. Federal Supply Service
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (2 download)
Download or read book Guide for the Recovery of Silver from Used Fixing Solution and Scrap Film written by United States. Federal Supply Service and published by . This book was released on 1976 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 562 pages
Book Rating : 4.:/5 (319 download)
Download or read book Report of Investigations written by and published by . This book was released on 1968 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1102 pages
Book Rating : 4.3/5 (91 download)
Download or read book Information Circular written by and published by . This book was released on 1925 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Bureau of Mines
Publisher :
ISBN 13 :
Total Pages : 926 pages
Book Rating : 4.F/5 ( download)
Download or read book Bibliography of Investment and Operating Costs for Chemical and Petroleum Plants written by United States. Bureau of Mines and published by . This book was released on 1965 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Magdalena Nuñez
Publisher : Nova Publishers
ISBN 13 : 9781594544569
Total Pages : 226 pages
Book Rating : 4.5/5 (445 download)
Download or read book Metal Electrodeposition written by Magdalena Nuñez and published by Nova Publishers. This book was released on 2005 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemistry is the branch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions. In a world short of energy sources yet long on energy use, electrochemistry is a critical component of the mix necessary to keep the world economies growing. Electrochemistry is involved with such important applications as batteries, fuel cells, corrosion studies, hydrogen energy conversion, and bioelectricity. Research on electrolytes, cells, and electrodes is within the scope of this old but extremely dynamic field. This book details advances in metal electrodeposition.
Author : United States. Patent Office
Publisher :
ISBN 13 :
Total Pages : 1908 pages
Book Rating : 4.:/5 (89 download)
Download or read book Official Gazette of the United States Patent Office written by United States. Patent Office and published by . This book was released on 1959 with total page 1908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E.D. Zysk
Publisher : Elsevier
ISBN 13 : 1483189473
Total Pages : 476 pages
Book Rating : 4.4/5 (831 download)
Download or read book Precious Metals 1981 written by E.D. Zysk and published by Elsevier. This book was released on 2013-10-22 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precious Metals 1981 presents the significant role of precious noble metals in various aspects of human life. This book discusses the wide array of uses of precious metals from dental fillings to the manufacturing of air conditioners. Organized into nine parts encompassing 48 chapters, this book begins with an overview of the chemical reducing capability of sodium borohydride for various organic heavy metal applications. This text then examines the general plant operations comprising of heap leaching methods utilized for the recovery of finely dispersed particles of gold and silver. Other chapters consider the refining characteristics of gold alloys containing impurities. This book discusses as well the fundamental principles of major conventional bonding methods used to produce metal clad materials used in jewelry and electrical contact applications. The final chapter deals with the precious and non-precious alloy systems used in Dentistry. This book is a valuable resource for engineers, jewelers, and goldsmiths.
