User Account

All Pages

Environmental Question, Civil Engineering

Assignment Help:
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
ppm.
(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

Related Discussions:- Environmental Question

Estimation specification and costing, Estimate the single room of size 3m x...

Estimate the single room of size 3m x 4m x height 3m using individual wall method?

#civil, what is whole circle barring

what is whole circle barring

WMM, GRADATION OF WMM

GRADATION OF WMM

Explain the principles involved in successful stabilisation, Normal 0 ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

STRUCTURAL MECHANICS, Define and explain Mohr’s theorem for finding slope a...

Define and explain Mohr’s theorem for finding slope and deflection.

Hydraulics, what is hydraulic grid line

what is hydraulic grid line

Concreting.., advantage of concrete floor

advantage of concrete floor

Guiding considerations in planning, Guiding Considerations in Planning: ...

Guiding Considerations in Planning: The following factors have a bearing on planning water transport facilities : (a)        Availability adequate land to accommodate the

FOUNDATION, TYPE OF FOUNDATION IN LATERITE SOIL

TYPE OF FOUNDATION IN LATERITE SOIL

Determine the sweep angles and coordinates, This is more likely in to Aeros...

This is more likely in to Aerospace engineering.. So if there's anyone whose doing his/her major or have any skills regarding that field please help me with this problem. :) a)

Write Your Message!

Captcha
Order Assignment

Featured Services

Order Now

Popular Subjects

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +91-977-207-8620

Phone: +91-977-207-8620

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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