Modeling the Performance of the Intermittent Sand Filter

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ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Modeling the Performance of the Intermittent Sand Filter by : Peter A. Cowan

Download or read book Modeling the Performance of the Intermittent Sand Filter written by Peter A. Cowan and published by . This book was released on 1979 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Regression Model to Predict the Performance of the Intermittent Sand Filter

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ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.:/5 (536 download)

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Book Synopsis A Regression Model to Predict the Performance of the Intermittent Sand Filter by : Peter A. Cowan

Download or read book A Regression Model to Predict the Performance of the Intermittent Sand Filter written by Peter A. Cowan and published by . This book was released on 1979 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technology Assessment of Intermittent Sand Filters

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ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Technology Assessment of Intermittent Sand Filters by : Damann L. Anderson

Download or read book Technology Assessment of Intermittent Sand Filters written by Damann L. Anderson and published by . This book was released on 1985 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling Rapid Sand Filter Performance at the "Phillip A. Holton Purification Works" in Scituate, Rhode Island

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ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Modeling Rapid Sand Filter Performance at the "Phillip A. Holton Purification Works" in Scituate, Rhode Island by : Blas J. Gomez

Download or read book Modeling Rapid Sand Filter Performance at the "Phillip A. Holton Purification Works" in Scituate, Rhode Island written by Blas J. Gomez and published by . This book was released on 1990 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modeling the Performance of Sand Filters for Removing Runoff Suspended Sediment

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ISBN 13 :
Total Pages : 39 pages
Book Rating : 4.:/5 (876 download)

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Book Synopsis Modeling the Performance of Sand Filters for Removing Runoff Suspended Sediment by : Mark S. Dortch

Download or read book Modeling the Performance of Sand Filters for Removing Runoff Suspended Sediment written by Mark S. Dortch and published by . This book was released on 2013 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance of Intermittent Sand Filters

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ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (47 download)

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Book Synopsis Performance of Intermittent Sand Filters by : Mohd. Asri Md. Nor

Download or read book Performance of Intermittent Sand Filters written by Mohd. Asri Md. Nor and published by . This book was released on 1991 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance Evaluation of an Anaerobic Filter - Intermittent Sand Filter System for Treating Domestic Wastewater

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ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (273 download)

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Book Synopsis Performance Evaluation of an Anaerobic Filter - Intermittent Sand Filter System for Treating Domestic Wastewater by : Spenta F. Irani

Download or read book Performance Evaluation of an Anaerobic Filter - Intermittent Sand Filter System for Treating Domestic Wastewater written by Spenta F. Irani and published by . This book was released on 1992 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Performance of Pilot-scale Intermittent Sand Filters Loaded with Oxidation Pond Effluent

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ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (52 download)

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Book Synopsis Performance of Pilot-scale Intermittent Sand Filters Loaded with Oxidation Pond Effluent by : Gary Leroy Huffman

Download or read book Performance of Pilot-scale Intermittent Sand Filters Loaded with Oxidation Pond Effluent written by Gary Leroy Huffman and published by . This book was released on 1979 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Series Intermittent Sand Filtration of Wastewater Lagoon Effluents

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ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Series Intermittent Sand Filtration of Wastewater Lagoon Effluents by : Utah Water Research Laboratory

Download or read book Series Intermittent Sand Filtration of Wastewater Lagoon Effluents written by Utah Water Research Laboratory and published by . This book was released on 1977 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Intermittent Sand Filter Systems

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ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis Intermittent Sand Filter Systems by : Washington (State). Office of Shellfish and Water Protection

Download or read book Intermittent Sand Filter Systems written by Washington (State). Office of Shellfish and Water Protection and published by . This book was released on 2007 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Intermittent Sand Filter Systems

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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (818 download)

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Book Synopsis Intermittent Sand Filter Systems by :

Download or read book Intermittent Sand Filter Systems written by and published by . This book was released on 2012 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

EPA 625/1

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ISBN 13 :
Total Pages : 348 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis EPA 625/1 by :

Download or read book EPA 625/1 written by and published by . This book was released on 1983-10 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:

EPA-600/2

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ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis EPA-600/2 by :

Download or read book EPA-600/2 written by and published by . This book was released on 1980 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Sand Size in the Efficiency of Intermittent Sand Filters

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ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (53 download)

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Book Synopsis The Effect of Sand Size in the Efficiency of Intermittent Sand Filters by : Robert Feaster Coleman

Download or read book The Effect of Sand Size in the Efficiency of Intermittent Sand Filters written by Robert Feaster Coleman and published by . This book was released on 1942 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Intermittent Slow Sand Filters

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Intermittent Slow Sand Filters by : Magdalena Pachocka

Download or read book Intermittent Slow Sand Filters written by Magdalena Pachocka and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: As many as 500,000 people in developing countries rely on an intermittent slow sand filter, called the BioSand filter to provide safe drinking water. However, it has been shown that BioSand filters do not remove all of the pathogens. The mechanisms of water purification in slow sand filtration have not been clearly understood until this day. In order to successfully influence intermittent slow sand filters performance we need to have a full understanding of removal processes that govern their efficiency. In the first part of this study pathogen removal mechanisms in intermittent slow sand filtration were investigated. In the second part of this study the effect on pathogen removal of a zero-valent iron-sand mixed layer, placed at the bottom of an intermittent slow sand filter was investigated. A series of experiments was performed on sand columns ripened with creek water. It was shown that the majority of E.coli was removed during filtration through the schmutzdecke, while the residence time in the biologically active layer did not have a significant effect on its removal. Quite to the contrary, the majority of MS-2 virus was removed with the residence time in the biologically active layer while the filtration through the schmutzdecke did not have significant affect on its removal. Clearly, two different mechanisms govern bacteria and virus removal in intermittent slow sand filtration. The EDX analysis of the schmutzdecke material revealed that it was primarily composed of O, C, Si, Al, Fe, Ca, and Mn. The zeta potential analysis showed that the schmutzdecke was neutral in charge and was composed of positively, neutrally and negatively charged particles. It was determined that a flocculation process was not a likely mechanism of either E.coli or MS-2 removal in intermittent slow sand filtration. The disturbance of the schmutzdecke had a significant impact on E.coli removal but only a slight effect on MS-2 removal. The intricate internal structure of the schmutzdecke might affect bacteria removal by an increase in rate of collisions. The disturbance of the schmutzdecke may cause the water to bypass the treatment in the schmutzdecke "network" of polymeric strands. It was concluded that an additional treatment step is needed in order to efficiently remove viruses; that the residence time in the schmutzdecke affects the quality of the effluent.; that the disturbance of the schmutzdecke might lead to a significant compromise in water quality and thus should be avoided; and that the addition of Al or Fe into the filter influent might benefit the pathogen removal efficiency. In the second part of the study an intermittent slow sand filter was amended with a zero-valent iron-sand mixture at the bottom of the column in order to improve its performance, especially virus removal. In the first challenge experiment the ZVI amended filter removed 100% of both E.coli and MS-2. Although, in the second challenge experiment the zero-valent iron-sand layer caused a decrease in E.coli/MS-2 concentration for unknown reasons, both E.coli and MS-2, exhibited breakthrough in the effluent. The ZVI powder can be obtained by sieving iron filings which are a waste byproduct of iron industry. Therefore, it is readily available to communities in developing countries. It was shown that use of ZVI in an intermittent slow sand filter can greatly improve its safety. However, the mechanisms responsible for this benefit and limitations of ZVI are not yet explained and deserve to be investigated.

Masters Theses in the Pure and Applied Sciences

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Publisher : Springer Science & Business Media
ISBN 13 : 1468433814
Total Pages : 319 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Masters Theses in the Pure and Applied Sciences by : W. H. Shafer

Download or read book Masters Theses in the Pure and Applied Sciences written by W. H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 22 (thesis year 1977) a total of 10,658 theses titles from 28 Canadian and 227 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work. While Volume 22 reports theses submitted in 1977, on occasion, certain universities do report theses submitted in previous years but not reported at the time.

Effective Grain Size and Uniformity Coefficient's Role in Performance of Intermittent Sand Filters

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ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (484 download)

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Book Synopsis Effective Grain Size and Uniformity Coefficient's Role in Performance of Intermittent Sand Filters by : Thomas M. Allen

Download or read book Effective Grain Size and Uniformity Coefficient's Role in Performance of Intermittent Sand Filters written by Thomas M. Allen and published by . This book was released on 1971 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: