How will the operator change affect the oxygen requirement

Assignment Help Civil Engineering
Reference no: EM13318810

an operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days.

How will this change affect: a) the oxygen requirement

b) MLVSS in the aeration tank.

c) the effluent BOD or COD.

d) the sludge generation (please explain your answer using the kinetic equations for activated sludge process)

Reference no: EM13318810

Questions Cloud

Determine the airflows and pressure drop : Determine the airflows and pressure drop in each of the branches and what are the flows and pressure drops in each of the branches?
Prove equivalence relation : Prove equivalence relation
What is the hydraulic residence time of the reactor : for sizing the syst em, the mean cell residence time is selected to be 5 days. the reactoer kinetic constants are u max= 2.4 d^-1 (1/day), Ks=75 mg/L as COD, Y=0.4 VSS/g COD and Kd=0.096 d^-1(1/day)
Induces a surjective homomorphism of fundamental groups : Induces a surjective homomorphism of fundamental groups.
How will the operator change affect the oxygen requirement : an operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days. How will this change affect: a) the oxygen requirement b) MLVSS in the aeration tank.
Four different kinds of glasses : 4. Consider a glass factory that can produce four different kinds of glasses: beer, wine, drinking, and schnapps. Glass manufacturing uses machine hours, labour, and sand as its main inputs.
Estimate of µ : What is the 95 percent confidence interval estimate of μ?
The monthly payment : Naiela received a 125-days promissory note for $20,202 which is matured on 7th august 2014 with a simple interest rate of 5.8% per annum. She later discounted the note 66 days before the maturity date and obtained $20,176.48.
Take the merchant of venice : Take the merchant of venice

Reviews

Write a Review

Civil Engineering Questions & Answers

  Calculate the surface area and hydraulic retention time

Calculate the surface area (m2), diameter (m), volume (m3), and hydraulic retention time of a 3 m deep circular, primary clarifier that would remove 50 percent of suspended solids. Assume the surface overflow rate (SOR) used for design is 60 m3/m2-..

  What criteria should zachary use evaluate the project

what criteria should Zachary use evaluate the project ?

  Find the maximum axial tension using lrfd

No incisions are noted. Find the maximum axial tension using LRFD. Can we resist the same force in compression if the member is 10ft long?

  Determine what is the euac for a 10-year period

Zwango Plus Manufacturing experts that fixed costs of keeping its Zephyr Hills Plant operating will be $1.4M this year. If the fixed costs increase by $100,000 each year, what is the EUAC for a 10-year period Assume the interest rate is 12%.

  What is the dry unit weight the saturated unit weight

What is the dry unit weight, the saturated unit weight, and the buoyant unit weight, of a soil having a ratio of 0.5 and a value of Gs of 2.7

  Find magnitude of load that is necessary to produce changes

An alloy has a yield strength of 41 ksi, a tensile strength of 57 ksi, and an elastic modulus of 16 X 10^6 psi. A cylindrical specimen of this alloy 0.5 in in diameter and 10 in long is stressed in tension and found to elongate 0.3 in.

  Prepare an outline of the experimental design

Prepare an outline of the experimental design you will suggest to the plant manager. This outline should contain research rationale, aims and objectives, research methodology, nature of data analysis and interpretation, and possible outcomes/concl..

  Locate the image using both the spherical mirror equations

Locate the image using both the spherical mirror equation and a ray diagram and identify if it is real or virtual, upright or inverted, and smaller or larger.

  What is the equivalent pressure drop in standard atmospheres

A HEPA (high efficiency particulate air) filter is monitored periodically for replacement. Specifications state that if the pressure drop across the filter exceeds 1 inch of water, the filter should be replaced.

  Calculating the principle of shoring system

How to calculate the principle of shoring system in formwork analysis when the secondly floor upper has been poured?

  Determine the forces that occur on the l5-s1 joint

Determine the forces that occur on the L5/S1 joint if a person has a bent posture with hips flexed at 65 Degrees with no load. The distance from Upper Body Center of Gravity to L5/S1=30cm.

  Determine what is the removal efficiency of the incinerator

A hazardous waste incinerator is to burn 200 Kg/h of PCB waste that is 30 % PCB and 70 % organic solvents. During testing phase, the concentration of PCB in the emission was recorded as 0.025 g/ m³

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd