Determine the size pfr and cfstrs required to treat

Assignment Help Civil Engineering
Reference no: EM13320388

Determine the size PFR and CFSTR's required to treat 4000 m3/day of sewage with a BOD of 200 mg/L. State law requires a minimum of 92% removal and BOD follows first order kinetics.

Reference no: EM13320388

Questions Cloud

Operating data for the first processing department : Luft Company uses the weighted-average method in its process costing system. Operating data for the first processing department for the month of June appear below.
Falk company signed a contract to lease space : The lease contract calls for annual (prepaid) rental payments of $80,000 on each July 1 throughout the life of the lease and for the lessee to pay for all additions and improvements to the leased property.
What are the key challenges in strategy implementation : What are the key challenges in strategy implementation? what barriers might prevent strategy implementation?
How many turns must the solenoid have : A solenoid is designed to produce a 2.74*10^-2T magnetic field near its center. It has a radious of 1.25cm and a length of 45.0 cm, how many turns must the solenoid have
Determine the size pfr and cfstrs required to treat : Determine the size PFR and CFSTR's required to treat 4000 m3/day of sewage with a BOD of 200 mg/L. State law requires a minimum of 92% removal and BOD follows first order kinetics.
Virtual treasures reassures business customer : Direct Response: Virtual Treasures Reassures Business Customer Online retailer Virtual Treasures has received the direct request from Donna K. Lilly
Determine what will the final coliform concentration be : The town of Obfisquitory wishes to use 4 equal volumes of CFSTR's in series to disinfect 2 million gallons per day (mgd) of water containing 1000 coliforms/L to the maximum required concentration (MCL) of 1 coliform/L.
Find how far from the film should the lens be placed : A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed
How to obtain financing for renovation : After deciding to incorporate, each of the three investors recieves 20,000 shares at $2 par common stock on June 12 2011, in exchange for their co owned building and $100.000 total cash they contribute to the business.

Reviews

Write a Review

Civil Engineering Questions & Answers

  Bonding agents found with clay minerals

Describe the given types of bonding agents found with clay minerals. a) hydrogen bond b) covalent bond c) van der walls forces d) james bond e) ward bonds f) war bonds.

  Deytermine what is the penetration h for the pile

A pile resists the tension developed by three stay cables for a major for a tent (membrane) structure. Assuming no bending is desired in the pile (no resultant horizontal componenet),

  Calculate change in ph of rainwater resulting from increase

Calculate the change in pH of rainwater resulting from an increase in the PCO2 from 10-3.5 atm to 10-3.0 atm due to fossil fuel emissions.

  Determine what is the pressure at point a

Water flows through a 4-cm pipe, wrought iron, horizontal pipeline 50-m long from point A to B, and contains a fully opened gate valve and two elbows (R/D = 4).

  Draw the shear diagram for the shaft

Draw the shear diagram for the shaft. The bearings at and exert only vertical reactions on the shaft

  Determine how many molecules of h20 is the system

A piston cylinder contains 0.8kg of steam (water vapor) at 300 deg C and 1MPa absolute. The steam is cooled at constant pressure until half of the mass condenses.

  Determine the velocity and position of point a at time t

The acceleration of point A is defined by the relation a = -1.08sin kt - 1.44 cos kt, where a and t are expressed in m/s^2 and seconds, respectively, and k = 3 rad/s. knowing that x = 0.16 m and v = 0.36 m/s when t = 0

  Determine the work developed of air flowing through turbine

Neglecting kinetic and potential energy changes and assuming the ideal gas model determine the work developed of air flowing through the turbine

  Determine the critical point tc and the critical do

If the critical point in a DO sag curve is found to be 18km downstream from the discharge point of untreated wastewater, would you expect the critical point to move upstream (toward the discharge point)

  Stormwater monitoring

Laboratory analysis methodology to be used. Give details on the standard methods, instrument and detection limits. Standard methods for heavy metals analysis exist

  Calculate the nominal and the effective rate of return

A 10-year, 12%, $1,000 bond that pays dividends quarterly can be purchased for $900. If the bond is purchased and pays as scheduled, calculate the nominal and the effective rate of return that the purchaser receives.

  Describe the flow-discharge characteristic of a long

Describe, with equation and diagram, the flow-discharge characteristic of a long, inclining pipeline that has friction and fitting loss, and a small, positive static pressure head.

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