Question

URGENT!!

A rural power plant with no fly ash removal equipment burns 300 tons of coal per day. Using the emission rate given in the table 1 for a coal containing 9 percent ash and fired on a spreader stoker, determine the deposition rate for 50 um particles having a density of 1.5 g/cm3 at distances of 1 and 3.5 km downwind from a stack assuming that 10 percent of the emissions are approximately 50 um in diameter. The effective stack height is 100 m and the mean wind speed at the top of the stack is 4 m/s. The stability class is C. Use the Gaussian-type dispersion equation Gaussian Dispersion Equation Ground level concentration( when Z = 0 ) 2 H exp -0.5 -exp 0.5 If the emissión source is at ground level with no effective plume rise the Q exp Cz-0) 2T Uo,o 1 y C(x, y, z) + 2 2 2 0 The point of maximum concentration occur along plume centre line. 2 Q exp -0.5 H C1z-0.y=0) 9/1/2015 23 X στ 'y w(ug/m2 s) G (m) (m (m) 200 18 8.5 91.7 1.01x10-4 1.5x10-40 1.52x10-38 2.04x10-5 1.01x10-7 2.06x10-6 500 40 19 16.1 5.67x10-6 4.83x10-2 1000 75 31 4.77 8.52x10-3 3.52x10-6 3.98x10-1 1500 110 40 2.18 1.13x10-1 7.59x10-1 4.31x10-1 2000 0.843 160 55 1.76x10-6 3000 70 0.226 7.97x10-1 8.37x10-1 210 1.05x10-6 0.037 9.64x10-1 6.13x10-1 4000 290 84 6.36x10-7 5000 350 100 0 1.0 4.43x10-1 4.43x10-7

Answer 1

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