Abstract
This study reports a PC software, used in a Windows-based environment, which was developed based on the first order reaction of Biological Oxygen Demand (BOD) and a modified Streeter and Phelps equation, in order to simulate and determine the variations of Dissolved Oxygen (DO) and of the BOD along with the studied river reaches. The software considers many impacts of environmental factors, such as the different type of discharges (concentrated or punctual source, tributary contribution, distributed source), nitrogenous BOD, BOD sedimentation, photosynthetic production and benthic demand of oxygen, and so on. The software has been used to model the DO profile along one river, with the aim to improve the water quality through suitable engineering measure.
Highlights
Relationship between Biological Oxygen Demand (BOD) concentration and passing formalized the oxygen, consumed by bacteria to aerobic distance for the Ohio River in the United oxidation of matter organic in waters as follows: States, this formula became of the base of many succeed studies
Relationship between BOD concentration and passing formalized the oxygen, consumed by bacteria to aerobic distance for the Ohio River in the United oxidation of matter organic in waters as follows: States, this formula became of the base of many succeed studies
Analyzed the Neckar River in German, by the use of a where, L is carbonaceous BOD, varying with time t, or say, passing distance x (x = Vt, V: stream velocity); k1 stands for deoxigenation coefficient, depending multi-parameter water quality model, which consists of basically on the nature and concentration of substratum, 9 equations and contains 12 ambient parameters[4]. the quantity of bacteria and water temperature in rivers
Summary
Relationship between BOD concentration and passing formalized the oxygen, consumed by bacteria to aerobic distance (or time) for the Ohio River in the United oxidation of matter organic in waters as follows: States, this formula became of the base of many succeed studies. Analyzed the Neckar River in German, by the use of a where, L is carbonaceous BOD, varying with time t, or say, passing distance x (x = Vt, V: stream velocity); k1 stands for deoxigenation coefficient, depending multi-parameter water quality model, which consists of basically on the nature and concentration of substratum, 9 equations and contains 12 ambient parameters[4].
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