Theses and Dissertations


Title: The effect of potassium permanganate on dissolved oxygen and chemical oxygen demand in formalin treated waters

Name: Muluk, Chairul

Degree: MS

Chair: Dr. G.N. Greene

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1967

Pages: 36

Keywords: Potassium Permanganate,Dissolved Oxygen,Chemical Oxygen Demand,Formalin Treated Waters.

Abstract:

An experiment was conducted to determine the effect of KMnO4 on dissolved oxygen (DO) and chemical oxygen demand (COD) in waters treated with 15 ppm formalin, in a series of sixteen circular plastic pools (1/685 acres) on the Auburn University Agricultural Experiment Station, Auburn, Alabama. The experiment was initiated on August 1, 1966, and terminated on September 12, 1966. The treatments involved in the experiment were a control, the application of 15 ppm formalin, the application of 15 ppm formalin and one application of 4 ppm KMnO4 6 hours after formalin treatment, and the application of 15 ppm formalin with two applications of ppm KMnO4, one 6 hours and one 72 hours after formalin treatment. Neither formalin treatment nor KMnO4 application after formalin had any effect on dissolved oxygen or the daily oxygen change from morning to late afternoon. The results of this experiment indicated no need to apply KMnO4 after formalin to prevent a sudden oxygen reduction. Although formalin kills phytoplankton, it did not increase the oxygen demand (COD) of the treated waters. Potassium permanganate application after formalin did not reduce the oxygen demand (COD).

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