According to FM Wilhelm (Encyclopedia of Inland Waters, 2009), pristine waters have up to 1 ppm of BOD, moderately polluted waters 2-8 ppm, and treated municipal sewage up to 20 ppm, and standards for the discharge of effluent from wastewater treatment plants have the range of over 20 ppm and require a minimum flow in receiving waters to ensure sufficient dilution. The calculated DO value at the initial day was 316 ppm and after a 5-day incubation period, the DO value was calculated to be 298 ppm. Calculate the BOD5 and give its classification. A 89 ppm, wastewater treatment plant effluent B 8 ppm, moderately polluted water 1 ppm, pristine water 18 ppm, treated municipal sewage
According to FM Wilhelm (Encyclopedia of Inland Waters, 2009), pristine waters have up to 1 ppm of BOD, moderately polluted waters 2-8 ppm, and treated municipal sewage up to 20 ppm, and standards for the discharge of effluent from wastewater treatment plants have the range of over 20 ppm and require a minimum flow in receiving waters to ensure sufficient dilution. The calculated DO value at the initial day was 316 ppm and after a 5-day incubation period, the DO value was calculated to be 298 ppm. Calculate the BOD5 and give its classification. A 89 ppm, wastewater treatment plant effluent B 8 ppm, moderately polluted water 1 ppm, pristine water 18 ppm, treated municipal sewage
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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