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

Ievling, resprocal technic

resprocal technic

Design, what is column

what is column

Pavement desigen, types of pavements and components

types of pavements and components

Recognize the losses of prestress, Recognize the losses of prestress Re...

Recognize the losses of prestress Recognising the losses of prestress which take place after the prestressing OF concrete structural elements, it is to be appreciated that pres

#titleellipse, a=6inch,b=4inch

a=6inch,b=4inch

Chemistry, zeolite process

zeolite process

Micro-organism ratio, Micro-organism ratio: Determine the F/M ratio (i...

Micro-organism ratio: Determine the F/M ratio (in units of lbs BOD5/lb MLSS-day) using data provided in the above example problem. Solution By definition, F/M = Q S

Types of fondations, what are the types of foundations

what are the types of foundations

Tack coat – emulsified asphalts vs cutback asphalts, Tack coat - emulsified...

Tack coat - emulsified asphalts vs. cutback asphalts Emulsified asphalt is a suspension of asphalt in water by employing an emulsifying agent that imposes an electric charge o

Compacted thickness of bituminous pavement, Q. Compacted thickness of bitum...

Q. Compacted thickness of bituminous pavement? The choice of compacted thickness is closely related to the nominal maximum size of aggregates of bituminous materials. Based on

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