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- A continous flow, completely mixed reactor is to be used to treat raw water to achieve 95% pollutant removal. The pollutant has a second-order reaction rate constant of 0.35 L/(mg.day), what is the required residence time of water in the batch reactor, in days?A CMFR is working at a steady state. The volume of the reactor and flow rate are 10m3 and 2.5m3/h respectively. The influent pollutant concentration is 10mg/L. Calculate the pollutant concentration in the reactor when the pollutant is going first order decay with reaction rate constant k=0.3/hA control, process for a glass furnace will remove boron from the 1400 oF furnace by cooling the exhaust to 275 oF in an evaporative cooler to condense B2O3. The cooled exhaust will then pass through a ro verse-jet filter to remove suspended dust, including the B2O3 particulates. Draw a preliminary flow sheet for the process, indicating any auxiliary equipment needed, List any operating difficulties you think might arise with this system.
- A batch reactor is to be used to treat raw water to achieve 95% pollutant removal. The pollutant has a second-order reaction rate constant of 0.35 L/(mg.day), what is the required residence time of water in the batch reactor, in days? For the same water in above problem , assume we are planning to use a continuous flow, completely mixed reactor, what would be the required residence time? How does this compare to the time for the batch reactor in problem two?A smokestack emits pollutant Z into the air on a sunny day. The effective stack height is 270 m. The wind speed is 4 m/s, due east. Your house is located 4.0 km due east of the smokestack. The ground level concentration of pollutant A is 2.0 mg/m3at your house. Your friend lives 4.0 km east and 1.5 km south of the smokestack. a. What is the emission rate of the pollutant in kg/s? b. For the emission rate determined in part a, you now want to know the concentration of pollutant Z at ground level at your friend’s house. i. What parameters change in the dispersion modeling equation? For each parameter, include the parameter symbol, a definition of the parameter, and its new quantitative value and required units.ii. Is the concentration at your friend’s house lower, the same or higher than the concentration at your house and why? (you do not need to calculate the concentration) show all worket Insert Design ion - 3' Transitions Animation D * Ω BIUAS X² A & Determine: Slide Show A A & E E EE ab A v Review MLSS = 2500 mg/l Mean cell residence time = 10 d View Return sludge from SST = 8000 mg/l Yield coefficient = 0.8 kg/kg Endogenous decay rate constant = 0.06 d-¹ ** ====12111 (0) - Tools Q1: A conventional ASP is to be used for treatment of 10,000 m³/d of municipal wastewater. The influent BOD to the ASP is 160 mg/l. As per requirements, the effluent from the ASP should have a soluble BOD of not more than 10 mg/l. Assuming: i. The volume of aeration tank ii. The mass and volume of sludge to be wasted per day iii. The recycle ratio iv. Food to microorganism ratio Notes- a Comment Y Shapes Picture A TextBox Arrange - 4 Question Sign in 26°C Light rain Q Find Sele 80%
- A continous flow, completely mixed reactor is to be used to treat raw water to achieve 95% pollutant removal. The pollutant has a second-order reaction rate constant of 0.35 L/(mg.day), what is the required residence time of water in the continous flow reactor, in days?How to reduce the agitation caused when using the stir tank bioreactor to produce CAR T cells in bioreactor systemA thermal oxidizer incinerator operates as a plug flow reactor at a temperature of 250 deg C. The first order rate constant for vinyl chloride removal is 45/sec at 250 degrees C and the inside diameter of the incinerator (which is shaped like a cylinder) is 1 m. (a) If the pollutant (Vinyl chloride) enters the incinerator at a flow rate of 3,000 m3/min and it is desired to remove 99.99% of the pollutant, what should the length of the incinerator be? (b) What is the length of the incinerator if the desired removal is increased to 99.99995%?
- An ASP operating at equilibrium has an organic loading rate of 2 kg/m³/d and has MLSS of 3000 ratio is mg/1 in the aeration tank. The d-1 (round off to two decimal places). Food F M Biomass,A convective kerosene heater is tested in a well-mixed 60 m3 chamber having an air exchange rate of 0.3 ach. After one hour of operation, the nitric oxide (NO) concentration reached 3 ppm.Treating NO as a conservative pollutant, estimate the NO source strenght of the heater (in mg/hr).Assume: 25 oC and 1 atmThe second stage nitrification process is :presented by the following equation Nitrobacter 2NO2+ 02 -> 2NO3 Give the value of Oxygen Required for this ?stage in Ib / IbN oxidized إختر أحد الخيارات 4.57 .a O 1.0 .b O 1.14 .c O 3.43 .d O