Why is the substrate that is reduced first preferred

Assignment Help Civil Engineering
Reference no: EM13323157

A fresh wastewater containing nitrate ions, sulfate ions, and dissolved oxygen is placed in a sealed jar without air. In what sequence are these oxidized compunds reduced by the bacteria, and why is the substrate that is reduced first preferred by the hydrogen acceptor. When do obnoxious odors appear?

Reference no: EM13323157

Questions Cloud

What are the angles of the first two diffraction orders : A 0.5-cm-wide diffraction grating has 1315 slits. What are the angles (in degrees) of the first two diffraction orders
Provide a general overview of each technology : Discuss how an organisation within your industry would currently use the technology for advantage and provide a general overview
What is wasewater flow and bod per 1000 lbs of milk recieved : A dairy that processes about 250,000 lb of milk daily produces an average of 65,100 gpd of wastewater with a BOD of 1400 mg/L. The principal opearations are bottling milk and maing ice cream with limited produciton of cottage cheese.
Calculate the acceleeration due to gravity at this place : A pendulum has a time period of 5 sec at a particular place. calculate the acceleeration due to gravity at this place
Why is the substrate that is reduced first preferred : In what sequence are these oxidized compunds reduced by the bacteria, and why is the substrate that is reduced first preferred by the hydrogen acceptor. When do obnoxious odors appear
Security services in a medium-size retail business : Assume that you are the director of security services in a medium-size retail business. An incident of data theft from your company's servers has just been reported. You need to develop a strategy for the investigation of this incident. Describe the ..
Define the f by m ratio in context of biological treatment : Define the f/m ratio in the context of biological treatment of wastewater, and relate the f/m ratio to the exponetial growth and declinign growth phases of a bacterial culture.
What was the incident speed of the second mass : A mass of .5Kg is attached to a massless spring with spring constant k=600N/m, What was the incident speed of the second mass
What does that mean in terms of remaining and removal : Suppose you are told that a process must achieve a 2.7 log removal of Giardia cysts. What does that mean in terms of % remaining and % removal

Reviews

Write a Review

Civil Engineering Questions & Answers

  Determine the max rimpull of the tractor in each gear

A pneumatic-tired tractor with a 354 - hp engine has a maximum speed of 3.6 mph in 1st gear. Determine the max. rimpull of the tractor in each gear if the engine effieicency is 91%.

  Calculate the required length of superelevation runoff

A simple highway curve is planned to connect two horizontal tangents that intersect at sta. 2500 + 00.0 at an external angle of 52 degrees. For a design speed of 60mi/h and a curve radius of about 1.25 times the minimum allowable

  What portion of the 263rd payment goes towards reducing

Consider a $50000, 30 years loan at 12% APR with monthly uniform payments. What portion of the 263rd payment goes towards reducing the principal and what portion is interest

  Calculate the average annual price increase in salaries paid

Here is some information about a professor salary index (PSI) Year PSI Change in PSI 2004 82 3.22% 2005 89 8.50 2006 100 a 2007 b 4.00 2008 107 c 2009 116 d 2010 e 5.17 2011 132 7.58

  Find the value of k

time(in months) after a computer of brand is sold and needed repair is normally distributed with mean 36 months and standard deviation 4 month. if 1% of the super computer need services less than k months after they are sold, find the value of k.

  What is total mass of water raised during the minute period

One method used to store energy during times of low demand is by pumping water uphill into a reservoir. When energy demand exceeds the output produced by power plants, the water is released, moves downhill, and is converted into electricity by a t..

  Determine diameter of rod if it has to be subjected to load

A rod of copper alloy 50 inches long has a modulus of elasticity of 16*10^7 psi. If the maximum allowable elongation is 0.05 in, determine the diameter of the rod if it has to be subjected to a load of 3200 lb.

  Force on block problem

The block is acted by its weight W=200 lb, a horizontal force Q=600 lb, and the pressure P exerted by the inclined plane. The resultant R of these forces is up and parallel to the inclined thereby sliding the block up it. Determine P and R.

  Determine the rate of entropy production within the turbine

Assuming the kinetic and potential energy effects to be negligible, determine D) the isentropic turbine efficiency E) the entropy at the exit of the turbine, in kJ/kg K F) the rate of entropy production within the turbine

  Determine the length of the swale required with side slopes

The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V). If the grassed swale has a Manning's n of 0.030 and a minimum infiltration rate of 200 mm/hr, determine the length of the swale required.

  Four-lane urban freeway

A four-lane urban freeway (two lanes in each direction) is located on rolling terrain and has 12-ft lanes, no lateral obstructions within 6 ft of the pavement edges, and an interchange every 2 miles.

  How close will missile get to the spaceship before stopping

The potential energy function of the missile, once it enters the force field, is given by U(x)= 2640(x-76.3)^2 + 1350. what is the force of the force field at x= 40.2 m. How close will the missile get to the spaceship before stopping

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