1. A CM reactor receives influent containing 10 mg/L of tracer dye for 2 hours. The traceraddition is terminated but the flowrate of water is maintained. The volume of the reactor is 10L and the flowrate is 2 L/hr. What is the concentration of tracer in the reactor 1 hr after thedye addition is terminated? The reactor had an initial concentration of tracer of 1 mg/L whenthe tracer addition commenced.

To solve this problem, we'll use the principle of mass balance in a continuously stirred tank…

Answered: e is 2 L/hr. What is the concentration…

e is 2 L/hr. What is the concentration of tracer in the reactor 1 hr minated? The reactor had an initial concentration of tracer of 1 m m commenced.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: feeding continuously 6 g/L stock tracer soluti mine the theoretical tracer concentration in the he…

A: According to given data CFSTR Volume= 45 m3Constant flow in reactor= m3/d 6g/L stock tracer solution…

Q: 5. A disinfection process destroys E.coli in water. The influent c coliforms/mL. If the reactor…

Q: Environmental Engineering: Cyanide is used in the production of intermediates in the pharmaceutical…

A: Given:The constant rate (k) at 170ºC is 8 hr-1.Consider the volume of the plug flow reactor is…

Q: 1. To finish the design of the effluent discharge channel, determine the amount of activated carbon…

A: Step 1: try to write down equation Step 2: simple mole calculation Step 3: weight of carbon Step…

Q: CSTR CSTR Q Q PFR PFR

Q: Example 9.36. Design a Zeolite-Softener for an industrial concern, using the following data : (i)…

Q: A sealed 1L reactor contains 500 mL of water, 200 mL of soil (density 2.1 g/cm3) and 300 mL of air.…

A: Calculate the mass of TCE in each phase:Air: 100 μg * 0.3 L / 1 L * 1000 g / 1 kg = 30 μgWater: 100…

Q: Determine the ultimate 1st stage BOD. Calculate the 1-day BOD. What would be the 5 day B0 if the…

A: 5 day BOD5 at 20°C = 150 mg/lk=0.20day-1Let BOD ultimate = L0 thenBOD5=L0(1-e-kt)

Q: A 1000 L completely mixed reactor receives a constant inflow of 250 L/day. The inflow is free of…

A: Following are the given information. A 1000 L completely mixed reactor receives a constant inflow of…

Q: Calculate the theoretical oxygen demand of the ASP reactor with a reactor inflow rate of 23000…

A: Give Data :- So = 165 mg/l S = 26 mg/l Q = 23000 m^3/day Total Yield Y = 0.48 SRT = 7 days Decay…

Q: You are the lead engineer on a wastewater treatment plant with a biological reactor. You are…

A: Waste water treatment The process of eliminating contaminants from wastewater and transforming it…

Q: lorine concentration to inactive 2 logs of Cryptosporidium at a water temperature of 25oC, if the…

A: Vb =QKlnNoN , Vb = volume of compact chamber =2×2×1 =4m3 Q =…

Q: Some wastewater has a BOD, of 180 mg/L at 20°C. The reaction rate K at that temperature has heen…

Q: Look at the following information for a completely mixed biological reactor: tank volume = 200 m³;…

A: Given- Tank volume V=200 m3 Flow rate=50 m3/day Substrate concentration=95 mg BOD5/L Ks=60 mg BOD5/L…

Q: Develop a mathematical expression of three phase fluidized bed reactor for first order catalytic…

A: Fluidized Bed Reactor : The fluidized bead reactor has the ability of processing the large volumes…

Q: thermal oxidizer incinerator operates as a plug flow reactor at a temperature of 250 deg C. The…

Q: For an SBR process, the sludge takes 45 minutes to settle and the depth of liquid in the reactor is…

A: Given data- SBR process Sludge takes 45 minutes to settle. The depth of liquid in the reactor is 40%…

Q: For a wastewater sample, the three-day biochemical oxygen demand at incubation temperature of 20°C…

A: step 1-

Q: Еxample Treatment plant with capacity 50*10° 1/day. This treatment plant required 20 mg/l alum. If…

A: We have to find the value of quantity of alum and quantity of CaO used as coagulant yearly according…

Q: Disinfection of 20 MLD water is done with 30 kg chlorine to achieve 99% efficiency in a contact time…

Q: A waste stream flows at 2,000 liters/day with a concentration of 60 mg/l of hazardous chemical A.…

Q: Choose the process that will not disturb the following equilibrium. Co(g) + H2O(g) =CO2(g) + H2(g) O…

A: 1) Answer Option c Lechatelier's principle :- It states that, when a system at equilibrium is…

Q: A full scale agitation system that has a flat blade turbine impeller with six blade-disk is used in…

A: The volume of the scale down system is one-fourth of the large scale volume. The ratio of the volume…

Q: A CFSTR receives a flow rate of 100 m³/sec. There is one influent stream coming into the reactor and…

A: Given data: Flow rate received by the CFSTR: Q=100 m3/s The concentration of the chemical in…

Q: 250 lbs. of contaminated soil containing 0.500 g of a pollutant per kilogram of soil will be treated…

A: Given, Mass of contaminated soil = 250 lb or 113.4 kg Concentration of pollutant, Co = 0.5 gm/kg…

Q: Q2) A waste of 600 m/hr flow rate with an ultimate BOD0 = 140 mg/l is to be treated in an activated…

A: Q = 600 m3hr y = .65 kd = .055 /day So = 140 mgl Se = 20 mgl θc= 10 days

Q: A plug-flow reactor (PFR) has an influent flow with a concentration of 100 mg/L of A and a flowrate…

A: Reference : Water Resources, Hydrology. Given : Concentration and flow rate. Rate constant for first…

Q: Assume that the primary sedimentation process in this treatment facility removes 60% of the…

A: To find- 1) SS concentrations in the primary sedimentation effluent flow 2) BOD5…

Q: A waste of 600 m³/hr flow rate with an ultimate BOD20 = 140 mg/l is to be treated in an activated…

A: According to given data A waste of 600 m³/hr flow rate with an ultimate BOD20 = 140 mg/l is to be…

Q: Consider an activated sludge WWTP (wastewater treatment plant). Influent comes in at 28 million…

A: As per guidelines, we are supposed to answer only first 3 sub-parts. Kindly repost other parts in…

Q: The CSTR shown in Figure is used to treat an industrial waste, using a reaction which destroys the…

Q: An ion exchange softener of 5 m3 volume is used to treat the raw water for a community. The…

Q: An ASP operating at equilibrium has an organic loading rate of 2 kg/m³/d and has MLSS of 3000 ratio…

Q: For an SBR process, the sludge takes 45 minutes to settle and the depth of liquid in the reactor is…

A: total time allowed for one operation in SBR processT=45+20+10+60=135 minFlow rate Q=55000…

Q: A plug flow and a CFSTR biological reactor are both operating with an influent substrate…

A: Answer We need to calculate Volume of both the reactor first Volume of plug flow reactor is given by…

Q: The removal of phenol in an industrial waste stream by microorganisms can be characterized as a…

A: Step 1: To determine the most efficient reactor configuration for the removal of phenol in the…

Q: A treatment plant treats water at an average daily flowrate of 2.7 m3/s. The water is chlorinated…

A: Given data,average daily flowrate of 2.7 m3/sChlorine concentration = 3 mg/LChlorine decays at a…

Q: Find in cubic meters the volume of this horizontal oil furnace.

A: Given:- A horizontal oil furnace is given The length of the furnace is 1.5 m The width of the…

Q: Environmental Engineering: Water Treatment Please consider each of the following points: a.…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Concept explainers

Thermal Processes

Some of the key areas where thermal processes find their application are:

Question

1. A CM reactor receives influent containing 10 mg/L of tracer dye for 2 hours. The tracer
addition is terminated but the flowrate of water is maintained. The volume of the reactor is 10
L and the flowrate is 2 L/hr. What is the concentration of tracer in the reactor 1 hr after the
dye addition is terminated? The reactor had an initial concentration of tracer of 1 mg/L when
the tracer addition commenced.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Mass balance eqn:

VIEW

Step 2: Concentration after 1 hour:

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

I need hand written solution only otherwise I will down vote
(5) [Text - problem 4.32] Solve for 50 and 95% efficiency Compare the reactor volume required to achieve 95% efficiency for a CMFR and a PFR for the following conditions: steady-state, first-order reaction, flow rate = 14 m³ day, and reaction rate coefficient = 0.05 day-¹.
Wastewater is treated with an activated sludge plug flow reactor, similar to one seen at the Norman Water Reclamation Facility. The BOD5 after primary treatment is 100mg/L and the effluent limit is 5 mg/L BOD5. Use 1.00 h-1 as the maximum specific growth rate constant and typical values for the other biokinetic constants. The biomass concentration in the reactor is 2,500 mg/L MLSS based on a recycle ratio of 1. Calculate the mean cell residence time, in hours for this system
Q20. Calculate the first-order reaction rate constant in days for the given data. The number of CFSTRS in series are 5. The influent BODS is 160 g/m and final effluent BOD5 is 10 g/m. The hydraulic residence time of each reactor is 1 h. Determine the detention time of a PFR that will produce same effluent quality as that from the series of reactors.
Underneath a conventional plug flow reactor and a plug flow reactor with tapered aeration that both use sludge recycle, sketch graphs of DO, DO Uptake, S, and Xa, versus distance from the inlet of the reactor
What type of reactor meets with the following conditions? 1) complete mixing; 2) continuous flow
1. Draw control volume diagram of reactors for each of the following conditions and write down the mass balance equations using different notations shown in figure: C, Qout Cin Qin V, C Reaction rate constant =k Figure: Sample CMFR/CFSTR showing influent and effluent flows, volume, reaction rate components. a) Steady state CMFR/CFSTR with conservative pollutant b) Steady state CMFR/CFSTR with non-conservative pollutant having first order growth rate c) Non-steady state CMFR/CFSTR with non-conservative pollutants having second order decay rate
Mixtures of Non-Reacting Fluids Initially ,a container contains 100 L of water and 50 g of dissolved salt. Brine is pumped into the tank at a rate of 2 L/min with a salt content of 2 grams per liter. At a rate of 3 L/min, the well-stirred mixture is pushed out of the tank. Determine the solution's concentration after 1 hour.
A continuous flow, thoroughly mixed reactor will be utilized to treat raw water in order to attain a pollutant removal rate of 95 percent. Assuming that the pollutant has a second-order reaction rate constant of 0.35 L/(mg.day), what is the minimum amount of water that must be present in the batch reactor in days?
A nozzle discharges water at a velocity of 20 m/s. If the head loss through the nozzle is 6 m, then the coefficient of velocity of this nozzle will be (a) 0.98 (b) 0.95 (c) 0.90 (d) 0.88
Determine the pollutant removal efficiency (%) in an ideal plug flow reactor having hydraulic detention time τ=5hr for a hazardous chemical having a first-order decay rate constant of k=0.40hr−1. Hydraulic detention time = 5 hours.
Environment aerobic.