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Kinetics And Mechanisms Of Pyrite Fes2 Oxidation In The Formation Of Acid Mine Drainage
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Book Synopsis Kinetics and Mechanisms of Pyrite (FeS2) Oxidation in the Formation of Acid Mine Drainage by : Abbas Hussain Mirza
Download or read book Kinetics and Mechanisms of Pyrite (FeS2) Oxidation in the Formation of Acid Mine Drainage written by Abbas Hussain Mirza and published by . This book was released on 1993 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pyrite Oxidation and Its Control by : V. P. Evangelou
Download or read book Pyrite Oxidation and Its Control written by V. P. Evangelou and published by CRC Press. This book was released on 2018-04-27 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pyrite Oxidation and its Control is the single available text on the market that presents the latest findings on pyrite oxidation and acid mine drainage (AMD). This new information is an indispensable reference for generating new concepts and technologies for controlling pyrite oxidation. This book focuses on pyrite oxidation theory, experimental findings on oxidation mechanisms, as well as applications and limitations of amelioration technologies. The text also includes discussions on the theory and potential application of novel pyrite microencapsulation technologies for controlling pyrite oxidation currently under investigation in the author's laboratory.
Book Synopsis Acid Mine Drainage Formation and Abatement by : Ohio State University. Research Foundation
Download or read book Acid Mine Drainage Formation and Abatement written by Ohio State University. Research Foundation and published by . This book was released on 1971 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Review written by V. P. Evangelou and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Relative Roles of Microbiological and Chemical Oxidation of Pyrite in the Initiation of Acid Mine Drainage Formation by : Gail Susan Bartels
Download or read book The Relative Roles of Microbiological and Chemical Oxidation of Pyrite in the Initiation of Acid Mine Drainage Formation written by Gail Susan Bartels and published by . This book was released on 1983 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-situ Prevention of Acid Mine Drainage by Pyrite Encapsulation by : Michelle Jennifer Mathesen
Download or read book In-situ Prevention of Acid Mine Drainage by Pyrite Encapsulation written by Michelle Jennifer Mathesen and published by . This book was released on 1999 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Aqueous Pyrite Oxidation by Dissolved Oxygen from PH 3.8-5.2 and 10-30 0C by : Joseph Diamadi
Download or read book Kinetics of Aqueous Pyrite Oxidation by Dissolved Oxygen from PH 3.8-5.2 and 10-30 0C written by Joseph Diamadi and published by . This book was released on 1989 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Abatement of Acid Mine Drainage Formation by : Steven Jobe Onysko
Download or read book Chemical Abatement of Acid Mine Drainage Formation written by Steven Jobe Onysko and published by . This book was released on 1986 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pyrite Oxidation in Coal-bearing Strata by : Samita Roy
Download or read book Pyrite Oxidation in Coal-bearing Strata written by Samita Roy and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanism and Conditions of Pyrite Surface Passivation Layer Formation in Preventing Its Oxidation by : Shengjia Zeng
Download or read book The Mechanism and Conditions of Pyrite Surface Passivation Layer Formation in Preventing Its Oxidation written by Shengjia Zeng and published by . This book was released on 2014 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acid mine drainage (AMD), an acidic and dissolved metal effluent from oxidative dissolution of sulphide minerals, particularly pyrite, in waste rock dumps and tailings dams, has serious impacts on the receiving environment. Legislation on mine waste management and AMD emission and heavy financial burdens for AMD treatment have forced mining operators to look for improved, cost-effective alternatives for reducing acid generation from the source during mining operations and after closure of the mine. Currently, there are many options to diminish sulphide or pyrite oxidation including passivating barrier methods that aim to isolate pyrite surfaces from oxygen or water, chemical additives and inhibition of iron-oxidising and sulphide oxidising bacteria. Moderation of pyrite oxidation can significantly lower acid generation rates and reduce AMD emission. This dissertation is composed of fundamental and applied studies that aim to understand formation conditions of surface coatings on pyrite surface and the effectiveness of these coatings in preventing the oxidation process which is the primary source of acid mine drainage.
Book Synopsis Development of New Reagents for Reduction of Acid Mine Drainage at Its Source by : S. Chander
Download or read book Development of New Reagents for Reduction of Acid Mine Drainage at Its Source written by S. Chander and published by . This book was released on 1994 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oxidation Kinetics of Pyrite in Synthetic Seawater by : Taylor Alexander van Hoorebeke
Download or read book Oxidation Kinetics of Pyrite in Synthetic Seawater written by Taylor Alexander van Hoorebeke and published by . This book was released on 2016 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the demand for industrial materials rises, mining companies have become increasingly interested in exploiting unconventional metal resources. Seafloor massive sulfide (SMS) deposits, one such example of an unconventional resource, will be mined for their high ore grade and abundance along oceanic plate margins. As these deposits are mined, fresh and highly reactive surfaces of sulfide minerals will be exposed to seawater, causing them to immediately oxidize. Pyrite (FeS2) is the most common sulfide mineral and readily oxidizes under atmospheric conditions. Sulfuric acid is a product of the sulfide mineral oxidation process and is often responsible for the devastating effects of acid mine drainage at terrestrial mining sites. Kinetics experiments have been conducted to determine a rate law for the abiotic rate of pyrite oxidation in synthetic seawater. Experiments run from pH 2-5, 0.995 or 0.10 atm O2, and temperatures of 285 - 303 K were used in rate law calculations. The experimentally derived molal specific rate law is: Rsp = -10-11.02±0.03[H+]0.39±0.03[PO2]0.44±0.05 where [H+] and [PO2] represent the initial molal concentrations of protons and dissolved oxygen in the seawater, and the rate Rsp is in units of moles m-2 sec-1. The initial rate method was combined with the method of isolation to determine the effects that pH, dissolved oxygen concentration, and temperature have on the pyrite oxidation rate. Results show that the initial concentration of dissolved oxygen is more influential upon the initial pyrite oxidation rate than the initial pH of the seawater under acidic, low temperature conditions. The pyrite oxidation rate in acidic seawater is the slowest of the sulfides pyrite, pyrrhotite, and chalcopyrite, with the reaction proceeding up to three orders of magnitude slower than that of pyrrhotite in synthetic seawater. The slow pyrite weathering rate (whether natural or anthropogenically induced) enhanced pyrite preservation in massive sulfide deposits. This may explain why VMS deposits are more enriched in pyrite than any other sulfide mineral.
Book Synopsis Quantitative Analysis of Chemical and Biological Kinetics for the Acid Mine Drainage Problem by : M. Otwinowski
Download or read book Quantitative Analysis of Chemical and Biological Kinetics for the Acid Mine Drainage Problem written by M. Otwinowski and published by . This book was released on 1994 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Treatise on Geochemistry written by and published by Newnes. This book was released on 2013-10-19 with total page 14787 pages. Available in PDF, EPUB and Kindle. Book excerpt: This extensively updated new edition of the widely acclaimed Treatise on Geochemistry has increased its coverage beyond the wide range of geochemical subject areas in the first edition, with five new volumes which include: the history of the atmosphere, geochemistry of mineral deposits, archaeology and anthropology, organic geochemistry and analytical geochemistry. In addition, the original Volume 1 on "Meteorites, Comets, and Planets" was expanded into two separate volumes dealing with meteorites and planets, respectively. These additions increased the number of volumes in the Treatise from 9 to 15 with the index/appendices volume remaining as the last volume (Volume 16). Each of the original volumes was scrutinized by the appropriate volume editors, with respect to necessary revisions as well as additions and deletions. As a result, 27% were republished without major changes, 66% were revised and 126 new chapters were added. In a many-faceted field such as Geochemistry, explaining and understanding how one sub-field relates to another is key. Instructors will find the complete overviews with extensive cross-referencing useful additions to their course packs and students will benefit from the contextual organization of the subject matter Six new volumes added and 66% updated from 1st edition. The Editors of this work have taken every measure to include the many suggestions received from readers and ensure comprehensiveness of coverage and added value in this 2nd edition The esteemed Board of Volume Editors and Editors-in-Chief worked cohesively to ensure a uniform and consistent approach to the content, which is an amazing accomplishment for a 15-volume work (16 volumes including index volume)!
Book Synopsis Pyrite Oxidation in Relation to Acid Mine Drainage by : Kristina Banovac
Download or read book Pyrite Oxidation in Relation to Acid Mine Drainage written by Kristina Banovac and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Geochemistry by : B. Sherwood Lollar
Download or read book Environmental Geochemistry written by B. Sherwood Lollar and published by Elsevier. This book was released on 2005-05-21 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Treatise on Geochemistry is the first work providing a comprehensive, integrated summary of the present state of geochemistry. It deals with all the major subjects in the field, ranging from the chemistry of the solar system to environmental geochemistry. The Treatise on Geochemistry has drawn on the expertise of outstanding scientists throughout the world, creating the reference work in geochemistry for the next decade. Each volume consists of fifteen to twenty-five chapters written by recognized authorities in their fields, and chosen by the Volume Editors in consultation with the Executive Editors. Particular emphasis has been placed on integrating the subject matter of the individual chapters and volumes. Elsevier also offers the Treatise on Geochemistry in electronic format via the online platform ScienceDirect, the most comprehensive database of academic research on the Internet today, enhanced by a suite of sophisticated linking, searching and retrieval tools.
Book Synopsis Groundwater Geochemistry by : Sughosh Madhav
Download or read book Groundwater Geochemistry written by Sughosh Madhav and published by John Wiley & Sons. This book was released on 2021-06-14 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains both practical and theoretical aspects of groundwater resources relating to geochemistry. Focusing on recent research in groundwater resources, this book helps readers to understand the hydrogeochemistry of groundwater resources. Dealing primarily with the sources of ions in groundwater, the book describes geogenic and anthropogenic input of ions into water. Different organic, inorganic and emerging contamination and salinity problems are described, along with pollution-related issues affecting groundwater. New trends in groundwater contamination remediation measures are included, which will be particularly useful to researchers working in the field of water conservation. The book also contains diverse groundwater modelling examples, enabling a better understanding of water-related issues and their management. Groundwater Geochemistry: Pollution and Remediation offers the reader: An understanding of the quantitative and qualitative challenges of groundwater resources An introduction to the environmental geochemistry of groundwater resources A survey of groundwater pollution-related issues Recent trends in groundwater conservation and remediation Mathematical and statistical modeling related to groundwater resources Students, lecturers and researchers working in the fields of hydrogeochemistry, water pollution and groundwater will find Groundwater Geochemistry an essential companion.
