Engineering, 18.12.2019 20:31, Sanchezj104

The flow rate to a fine-bubble aeration basin is 21.5 mgd at 20°c with an influent bod concentration of 180 mg/l and 31 mg/l of ammonia. the effluent concentration is 10 mg/l of bod and no ammonia. according to the aeration equipment manufacturer, at the local operating conditions, for this equipment otr = 3.0 lb o2/hp-hr and ote = 25%. calculate.
a) the total oxygen demand, in lb/day.
b) the power required to operate the aeration system, in hp.
c) the air flow rate, in ft3 /min.

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, ijohnh14

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way

Answers: 2

continue

Engineering, 04.07.2019 18:20, myahlit84

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

Answers: 3

continue

Engineering, 04.07.2019 18:20, karatsgrande3772

Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t

Answers: 3

continue

Engineering, 04.07.2019 18:20, jessie8022

Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.

Answers: 2

continue

Do you know the correct answer?

The flow rate to a fine-bubble aeration basin is 21.5 mgd at 20°c with an influent bod concentration...