An industrial waste-water stream is fed to a stirred-tank reactor continuously and the cells are recycled back to the reactor from the bottom of the sedimentation tank placed after the reactor. The following are given for the system: F = 100 l/h; S0 = 5000 mg/l; mm = 0.25 h-1 ; Ks = 200 mg/l; α (recycle ratio) = 0.6; C (cell concentration factor) = 2; Y ^M _X/S = 0.4. The effluent concentration is desired to be 100 mg/l.  Determine the cell concentration in the reactor and in the recycle stream.

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#Question id: 14916

#Section 1: Engineering Mathematics

 where a > 0 isln

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#Question id: 14917

#Section 1: Engineering Mathematics

The minimum value of |x² - 5x - 2 | is

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#Question id: 14918

#Section 1: Engineering Mathematics

The maximum value of  

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#Question id: 14919

#Section 1: Engineering Mathematics

The maximum value of 1/x^x is

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#Question id: 14920

#Section 1: Engineering Mathematics

The function f(c) = x⁵ - 5x⁴+5x³ - 1 has

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#Question id: 14921

#Section 1: Engineering Mathematics

The greatest and least value of