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A 2000-MW electric generating station burns 278 tonnes of residual fuel oil per hour. The fuel contains 2.6% S and 1.2% ash. The station is equipped with particle, sulfur dioxide, and nitrogen oxide emission control systems. The particle collector must operate at efficiencies exceeding 98% because the ash is valuable for its vanadium content. The sulfur dioxide removal device operates at a normal efficiency of 80%.
A) Estimate the hourly SO2 and particle emissions from the station.B) What type of particle collector would you use at the station? Give three reasons for choosing this type of collector.C) What type of SO2 removal device before (in front of) or after (following) the particle collector would you use?D) How would you control the nitrogen oxide emissions?
Wastewater is discharged into an aquifer. This wastewater contains 0.1 ppm atrazine (a common herbicide). The MCL of atrazine is 5 ppb, the density is 1.19 g/mL and the solubility is 50 ppm. 500 ft away from the plant effluent there is a permeable..
calculate the ratio of area to volume for unit cube a unit sphere in inscribed inside the cube, and as write cylinder inscribed inside the cube.
A gate (shaped like .25 of a cylinder with radius R=3m) is used to control the flow of water through a canal.The height of the water in the tank is 30m. How much force must be applied to keep the gate from opening? The gate is 30m wide.
A trapezoidal canal 6m wide at the bottom and having a side slope of 1V:2H carries water with a mean velocity of 1.0m/s to a depth of 60cm. What length of contracted rectangular weir 1.0m high should be placed at the middle of the canal to make th..
If the peak-hour factor is .90 and all of the drivers are regular users, what is the level of the service of this compound-grade freeway segment?
A bullet is fired from a height of 150m at a velocity of 300kmph at an angle of 35 upward. Neglecting air resistance. Find: a) total time of flight b) horizontal range
Determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement.
A rectangular channel 5 m wide carries a discharge of 10 m^3/s at a uniform depth of 3 m. The channel is running on a slope of 0.0025 m/m. Estimate wall shear stress and friction velocity. Assume the density of flowing water as 1000 kg/m^3.
The break up of a liquid jet into droplets of diameter d depends on the jet diameter D, the jet velocity V, viscosity Mu, density rho,and surface tension sigma.
At the end of 15 years, the first motor will have a salvage value of $50 and the second motor will have a salvage value of $100. consider the MARR to be 8%. (note : 1HP=0.7457 kw). Determine which motor should be installed based on the PW criterio..
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.
shaped nozzle such that the velocity along the center line of the flow increased from 1.5 m / s to 15 m / s at a distance of 37.5 m. specify the amount of convective acceleration at the beginning and end of the range.
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