Determination of Minimum Dissolved Oxygen Point and Self-purification Capacity of Natural Streams PDF Download
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Author: Raymond A. Beck
Publisher:
ISBN:
Category : Stream self-purification
Languages : en
Pages : 102
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Book Description
Author: Raymond A. Beck
Publisher:
ISBN:
Category : Stream self-purification
Languages : en
Pages : 102
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Book Description
Author: Cecil Hale J. Hull
Publisher:
ISBN:
Category : Pollution
Languages : en
Pages : 184
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Book Description
"A simplified technique is proposed for determining the self-purification coefficient in surface streams. A formula for f is derived from the basic Streeter-Phelps (1925) oxygen-sag equation. The technique proposed for use of this formula appears to offer many possibilities for studying the oxygen balance of water in both laboratory and field investigations. The value of the technique is in its simplicity. It requires only three measurements: temperature, dissolved oxygen, and BOD. The need to determine k1, k2, or time-of-flow is eliminated."--Abstract.
Author: Edward Murray East
Publisher: Forgotten Books
ISBN: 9780331291483
Category :
Languages : en
Pages : 118
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Book Description
Excerpt from Dissolved Oxygen and Its Influence in Self-Purification of Streams Te reach, a thorough understanding of the amount of the pur ification of running water; its causes and the influences of en virement on its causes, is a task which has not yet been finished with sufficient accuracy and certainty to satisfy the minds of that part or the chemical world which is interested in water analysis. There are even now several chemists' of note who hesitate to admit that any natural purification other than a small oxidation and a large dilution, takes place. But the larger proportion of the authorities agree that there is a pur ificatian which takes place threugh natural causes, the amount or which has not been determined, and for Which the causes are so varied that probably no definite ratio of purification to length of flow, exists. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Edward Murray East
Publisher:
ISBN:
Category : Stream self-purification
Languages : en
Pages : 102
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Book Description
Author: EDWARD MURRAY. EAST
Publisher:
ISBN: 9781033841648
Category :
Languages : en
Pages : 0
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Book Description
Author: United States. Environmental Protection Agency. Office of Water Planning and Standards
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 32
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Book Description
Author: Christopher Robert Huhnke
Publisher:
ISBN:
Category :
Languages : en
Pages : 694
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Book Description
Modeling water quality has been shown to be a useful tool in strategizing water quality management. Dissolved oxygen (DO) has one of the largest impacts on water quality compared to other parameters. The purpose of the dissertation research is to generate a regression equation model, using the US EPA QUAL2K model as the base, to determine different factors affecting minimum dissolved oxygen concentrations in streams, to determine the critical distance for the minimum dissolved oxygen concentration, and the magnitude of impact of each parameter. Based on regression analysis, the factors affecting minimum DO in river water are effluent biochemical oxygen demand, effluent flow rate, river flow rate, river temperature, and effluent DO in that order. The simulation study of QUAL2K is related to stream classification and degree of treatment of municipal wastewater. Important factors affecting minimum dissolved oxygen concentrations in streams and corresponding critical distance or critical time in streams, which receive municipal wastewater treatment plant effluent discharge, include effluent BOD, river Q, effluent Q, and river temperature. Based on regression analysis, the factors affecting minimum DO in river water are effluent BOD, effluent Q, river Q, river temperature, and effluent DO, in that order. The application of the end result of this study can be used to determine the degree of municipal wastewater treatment to maintain a desirable stream classification and river water quality.
Author:
Publisher:
ISBN:
Category : Sanitary engineering
Languages : en
Pages : 216
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Book Description
Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 212
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Book Description
Author: Khalil Hasny Mancy
Publisher:
ISBN:
Category : Oxygen
Languages : en
Pages : 110
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Book Description
"A comprehensive discussion of the various methods of analysis for dissolved oxygen in natural and waste waters is presented. Special emphasis is given to pointing out the applicability and limitations of each method. Several titrimetric methods and micro techniques are described. Manometric, gas-exchange, gas chromatographic, radiometric, and polarographic techniques and galvanic and membrane electrodes are among the instrumental methods discussed. In situ measurements of the activity of molecular oxygen are claimed to be more significant than concentration measurements. Examples of laboratory and field studies are given."--P.vii.
