Question: a) Design a rapid mix unit for a design flow of 350m/h and detention time of 2/3 minutes. Assume the following design parameters: (i) G=600s1;

a) Design a rapid mix unit for a design flow of

a) Design a rapid mix unit for a design flow of 350m/h and detention time of 2/3 minutes. Assume the following design parameters: (i) G=600s1; (ii) speed of the paddle =125rpm; (iii) velocity ratio k=0.25; (iv) =1.008710 Ns/m2;(v)=998kg/m3; (vi) Ratio of height to dia. of tank =1.5:1; (vii) Ratio of Impeller dia to tank dia. =0.4:1

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