Customer Service Chat
Get quote & make Payment
Environmental Question, Civil Engineering
An activated sludge tank treats 1 MGD from the primary clarify and has an X of
2200 ppm SS. The water euent is 0.9 MGD. 1.0 MGD of the sludge is recycled back into the tank
and has an [SS] of 3980 ppm. The concentration of the BOD exiting the primary clarier is 200
(a) What are Qw and Xw?
(b) What are Qc and Xc?
(c) What are Q1 and X1?
(d) What is Xe? (Answer = 24.4 ppm)
(e) Calculate the volume of the tank that will satisfy the following requirements:
(e-1) BOD loading < 35 lb BOD/1000 ft3day
(e-2) Sludge age > 5 days
(e-3) Aeration period > 4 hr
Posted Date: 4/1/2013 10:52:47 PM | Location : United States
Ask an Expert
Environmental Question, Assignment Help, Ask Question on Environmental Question, Get Answer, Expert's Help, Environmental Question Discussions
Write discussion on Environmental Question
Your posts are moderated
Write your message here..
M, symbols of electrical layout
symbols of electrical layout
Calculate annual interest rate which is compounded monthly, You wish to buy...
You wish to buy a house and you can afford to make a down payment of $50,000. Your monthly mortgage payment cannot exceed $2,000. If 30-year loans are available at 7.5% annual inte
Define inspection of steel or cast iron substructures, Define Inspection of...
Define Inspection of Steel or Cast Iron Substructures? Corrosion is the principal cause of deterioration in steel waterfront substructures. On bare un-protected steel pilings,
Grades of concrete, mixing ratio of different type of ready mix concrete.(R...
mixing ratio of different type of ready mix concrete.(RMC)
Rope brake dynamometer, construction & working of rope brake dynamometr
construction & working of rope brake dynamometr
Friction, friction problems
Explain the term - characteristic strength, Explain the term - Characterist...
Explain the term - Characteristic Strength The strength of a material below which not more than 5 percent results are expected to fall is considered as the characteristic stre
Concrete, What is Polymer Concrete?
What is Polymer Concrete?
Bitumen, limitation in using with bitumen as watertight material
limitation in using with bitumen as watertight material
Testing of aggregates, Testing of Aggregates: For use in pavement, ro...
Testing of Aggregates: For use in pavement, road aggregates have to be strong, durable and of good shape. A well-graded aggregates adds to the stability of the layer. The fol
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.