A liquid is contained in a reactor vessel at 115 bar absolute pressure. It is transferred...

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Chemistry

A liquid is contained in a reactor vessel at 115 bar absolutepressure. It is transferred to a storage vessel through a 50 mminternal diameter commercial steel pipe. The storage vessel isnitrogen blanketed, and pressure above the liquid surface is keptconstant at 1500 N/m2 gauge. The total run of pipe between the twovessels is 200 m. The miscellaneous losses due to entry and exitlosses, fittings, valves, etc., amount to 800 equivalent pipediameters. The liquid level in the storage vessel is at anelevation 20 m below the level in the reactor. A turbine is fittedin the pipeline to recover the excess energy that is available,over that required to transfer the liquid from one vessel to theother. Estimate the power that can be taken from the turbine, whenthe liquid transfer rate is 5000 kg/h. Take the efficiency of theturbine as 70%. The properties of the fluid are density 895 kg=m3 ,viscosity 0:76 mNm2s.

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4.3 Ratings (731 Votes)

Given Pipeline dia D 50 mm 005 m Cross sectional area of pipe A piD24 314 0052 4 000196 m2 liquid mass transfer rate M 5000 kgh Density of liquid rho 895 kgm3 liquid velocity in pipe v MrhoA3600 0792 ms Liquid See Answer

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