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Mechanism Of Phosphorus Removal From Hanford Tank Sludge By Caustic Leaching
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Book Synopsis Mechanism of Phosphorus Removal from Hanford Tank Sludge by Caustic Leaching by :
Download or read book Mechanism of Phosphorus Removal from Hanford Tank Sludge by Caustic Leaching written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Two experiments were conducted to explore the mechanism by which phosphorus is removed from Hanford tank sludge by caustic leaching. In the first experiment, a series of phosphate salts were treated with 3 M NaOH under conditions prototypic of the actual leaching process to be performed in the Waste Treatment and Immobilization Plant (WTP). The phosphates used were aluminum phosphate, bismuth phosphate, chromium(III) phosphate, and [beta]-tri-calcium phosphate; all of these phases have previously been determined to exist in Hanford tank sludge. The leachate solution was sampled at selected time intervals and analyzed for the specific metal ion involved (Al, Bi, Ca, or Cr) and for P (total and as phosphate). The solids remaining after completion of the caustic leaching step were analyzed to determine the reaction product. In the second experiment, the dependence of P removal from bismuth phosphate was examined as a function of the hydroxide ion concentration. It was anticipated that a plot of log[phosphate] versus log[hydroxide] would provide insight into the phosphorus-removal mechanism. This report describes the test activities outlined in Section 6.3.2.1, Preliminary Investigation of Phosphate Dissolution, in Test Plan TP-RPP-WTP-467, Rev. 1. The objectives, success criteria, and test conditions of Section 6.3.2.1 are summarized here.
Book Synopsis Caustic Leaching of Hanford Tank T-110 Sludge by : Gregg J. Lumetta
Download or read book Caustic Leaching of Hanford Tank T-110 Sludge written by Gregg J. Lumetta and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Washing and Caustic Leaching of Hanford Tank C-106 Sludge by :
Download or read book Washing and Caustic Leaching of Hanford Tank C-106 Sludge written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Caustic Leaching of Hanford Tank S-110 Sludge by :
Download or read book Caustic Leaching of Hanford Tank S-110 Sludge written by and published by . This book was released on 2001 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the Hanford Tank S-110 sludge caustic leaching test conducted in FY 2001 at the Pacific Northwest National Laboratory. The data presented here can be used to develop the baseline and alternative flowsheets for pretreating Hanford tank sludge. The U.S. Department of Energy funded the work through the Efficient Separations and Processing Crosscutting Program.
Book Synopsis Process Design Manual for Phosphorus Removal by : Shimek, Roming, Jacobs, and Finklea (Firm)
Download or read book Process Design Manual for Phosphorus Removal written by Shimek, Roming, Jacobs, and Finklea (Firm) and published by . This book was released on 1976 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Washing and Caustic Leaching of Hanford Tank Sludge by : Gregg J. Lumetta
Download or read book Washing and Caustic Leaching of Hanford Tank Sludge written by Gregg J. Lumetta and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of Phosphorus Removal Mechanisms in Activated Sludge Systems by : W. E. Morgan
Download or read book An Investigation of Phosphorus Removal Mechanisms in Activated Sludge Systems written by W. E. Morgan and published by . This book was released on 1972 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Washing and Caustic Leaching of Hanford Tank Sludge by : Gregg J. Lumetta
Download or read book Washing and Caustic Leaching of Hanford Tank Sludge written by Gregg J. Lumetta and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Environmental Protection Agency. Office of Technology Transfer Publisher : ISBN 13 : Total Pages :310 pages Book Rating :4.F/5 ( download)
Book Synopsis Process Design Manual for Phosphorus Removal by : United States. Environmental Protection Agency. Office of Technology Transfer
Download or read book Process Design Manual for Phosphorus Removal written by United States. Environmental Protection Agency. Office of Technology Transfer and published by . This book was released on 1976 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemistry of Sludge Washing and Caustic Leaching Processes for Selected Hanford Tank Wastes by :
Download or read book The Chemistry of Sludge Washing and Caustic Leaching Processes for Selected Hanford Tank Wastes written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Washing and Caustic Leaching of Hanford Tank Sludges by : Gregg J. Lumetta
Download or read book Washing and Caustic Leaching of Hanford Tank Sludges written by Gregg J. Lumetta and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Antifoam Agent on Oxidative Leaching of Hanford Tank Sludge Simulants by :
Download or read book Effect of Antifoam Agent on Oxidative Leaching of Hanford Tank Sludge Simulants written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxidative leaching of simulant tank waste containing an antifoam agent (AFA) to reduce the chromium content of the sludge was tested using permanganate as the oxidant in 0.25 M NaOH solutions. AFA is added to the waste treatment process to prevent foaming. The AFA, Dow Corning Q2-3183A, is a surface-active polymer that consists of polypropylene glycol, polydimethylsiloxane, octylphenoxy polyethoxy ethanol, treated silica, and polyether polyol. Some of the Hanford Tank Waste Treatment and Immobilization Plant (WTP) waste slurries contain high concentrations of undissolved solids that would exhibit undesirable behavior without AFA addition. These tests were conducted to determine the effect of the AFA on oxidative leaching of Cr(III) in waste by permanganate. It has not previously been determined what effect AFA has on the permanganate reaction. This study was conducted to determine the effect AFA has on the oxidation of the chromium, plus plutonium and other criticality-related elements, specifically Fe, Ni and Mn. During the oxidative leaching process, Mn is added as liquid permanganate solution and is converted to an insoluble solid that precipitates as MnO2 and becomes part of the solid waste. Caustic leaching was performed followed by an oxidative leach at either 25°C or 45°C. Samples of the leachate and solids were collected at each step of the process. Initially, Battelle-Pacific Northwest Division (PNWD) was contracted by Bechtel National, Inc. to perform these further scoping studies on oxidative alkaline leaching. The data obtained from the testing will be used by the WTP operations to develop procedures for permanganate dosing of Hanford tank sludge solids during oxidative leaching. Work was initially conducted under contract number 24590-101-TSA-W000-00004. In February 2007, the contract mechanism was switched to Pacific Northwest National Laboratory (PNNL) operating Contract DE-AC05-76RL01830. In summary, this report describes work focused on determining the effect of AFA on chromium oxidation by permanganate with Hanford sludge simulant.
Download or read book Design Manual written by and published by . This book was released on 1987 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phosphorus Removal by an Activated Sludge Plant by : Milwaukee (Wis.). Sewerage Commission
Download or read book Phosphorus Removal by an Activated Sludge Plant written by Milwaukee (Wis.). Sewerage Commission and published by . This book was released on 1970 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanism of Phosphorus Removal in the Activated Sludge Process by : Jia-Chyi Lan
Download or read book The Mechanism of Phosphorus Removal in the Activated Sludge Process written by Jia-Chyi Lan and published by . This book was released on 1982 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Mechanism of Phosphorus Removal in Activated Sludge by : Ralph Edward Oulton
Download or read book The Mechanism of Phosphorus Removal in Activated Sludge written by Ralph Edward Oulton and published by . This book was released on 1969 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Phosphate Removal from Wastewaters by : R. Ramadori
Download or read book Biological Phosphate Removal from Wastewaters written by R. Ramadori and published by Elsevier. This book was released on 2017-01-31 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological Phosphate Removal from Wastewaters contains the proceedings of an International Association on Water Pollution Research and Control Specialized Conference held in Rome, Italy on September 28-30, 1987. Contributors review advances that have been made in the removal of biological phosphates from wastewaters, both at the fundamental scientific level and in the practical application of the process. Topics range from the fundamental microbiology and biochemistry of the enhanced biological removal of phosphate to the practical full-scale plant experiences with phosphorus removal and sludge handling from such processes. This text is comprised of 43 chapters; the first of which describes the utilization of polyphosphate as an energy reserve in Acinetobacter sp. and activated sludge. Attention then turns to metabolic control in polyphosphate-accumulating bacteria and its role in enhancing biological phosphate removal. The biochemistry and energetics of biological phosphorus removal are also considered. The next section is devoted to process modeling and includes chapters that explore the kinetics of biological excess phosphorus removal; factors affecting anaerobic stabilization during biological phosphorus removal; and the behavior of magnesium in biological phosphate removal. In the next section, bench/pilot-scale studies are presented; one of which investigated the reduction of returned phosphorus from a sludge treatment process. The book concludes with a discussion on phosphate removal mechanisms and pilot- and full-scale experiences. This book will be of interest to students, practitioners, and policymakers in water pollution control.
