please solve this water treatment problem FINAL PROBLEM 2 DESIGN A CHLORINE CONT
ID: 1732847 • Letter: P
Question
please solve this water treatment problem
FINAL PROBLEM 2 DESIGN A CHLORINE CONTACT TANK FOR WASTEWATER Flow rate 20,000 m3/d peak flow; Depth - width 3 m, The detention time is to be 2 hours at peak flow a Determine the coefficient of Dispersion, D, and the dispersion number, d. D 1.01 velocity* N andd- D/(velocity" L)D HRT/L2; NR -4 * velocity * R/kinematic viscosity, where R- hydraulic radius b)It is desired to be less than 0.015. what is your comment? Ok or should we reconfigure it? Do not solve it just answer.Explanation / Answer
Given data :-
Time T=2 hour
B=3m
D=3m
V=20000m^3/d
Where D=1.01×20000×Nr^0.875
D=17675mm
d=D÷v×L
=17675÷20000×3
=0.294mm
NR=4×v×R÷kinematic viscosity
=4×20000×1÷1
=80000
Where R=A÷PhD
Where A=b×d
=3×3=9mm^2
P=2×3+3
=9
Coefficient of dispersion COD=100÷Rm×(£^N×(Ri-Rm)÷N))
=100÷1 (£^5 (1-1)÷5)
=100=0.01
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