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Develop an estimate of the volumetric flow rate of air that will be required for aeration of the mixed liquor in an activated sludge system.For this calculation, assume that the (ultimate) CBOD is 200 mg/L and (ultimate) NBOD is 50 mg/L. For purposes of this problem, assume that these two sources of oxygen demand are completely satisfied in the activated sludge system (i.e., assume that all CBOD and NBOD are completely "consumed" by the aerobic bacteria in the aeration basins). Assume an oxygen (O2) transfer efficiency of 25% from the aeration system in the aeration basins. Based on these characteristics, what volume of air will we need to pump through our aeration basins each day to satisfy this oxygen demand?
what is the engineering ethics course where to write about any engineering ethical case and discuss the ethical issue?
what is the engineering ethics case related to civil engineering with reference and discuss all the engineering ethics issues which covered the "Engineering etics concepte and cases?
In the construction management, there is a lot of procurement route that are necessary and suitable for the construction industry.
Ernst & young is currently providing support to various sectors. In this regards it was felt that if this report is able to document good practices currently being adopted or planned in ceramic sector.
Cancer is the uncontrolled growth of abnormal cells in the body resulting in tumours that can be benign or malignant (cancerous cells). A proper treatment is necessary to fight with this serious disease.
Discuss the different agencies, institutes, centers, different environmental companies that are active in UAE.
Develop a simple urban constructed wetland design.
Evaluate company performance in relation to GRI standards and comment on Stigler's theory.
Determine the corresponding error in the computed discharge
Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel
Write a paper on steel sustainability.
Writing case study about bridge collapse
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