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The fermenter stream you saw for the last problem is to be separated by distillation as shown below. Its composition is 85.0 mol % water (H2O, MW = 18.01), 10.0 mole % ethanol (C2H5OH, MW = 46.07), and 5.0 mol % sucrose (C6H12O6, MW =180.16). Its total flow is 500 kmol/h. 95% of the ethanol fed is recovered in the ethanol product stream. Assume steady state.
a) Calculate the molar flow rate for each component in each stream and the total molar flow rate for each stream in kmol/h.
b) Calculate the kg/year sucrose in Stream 3.
For Oil (SG=0.86, u=0.025 Ns/m^2) flow of 0.3m^3/s through a round pipe with diameter of 500 mm, determine the Reynolds number. Is the flow laminar or turbulent
The diameter of the soil column is 8.0 cm, the length of the soil column is 16.0 cm. The hydraulic head loss across the soil specimen is 6.4 cm. Over a period of 3 min, 350 mL of water is collected at the downstream side of the soil specimen.
a well is contaminant with 340 mg/L of tetrachloride ( perchloroethylene). the water must be remediated to achieve a concentration of 0.2 mg/L ( the detention limit ).
A paved parking lot section has a uniform slope over a length of 100 m (in the flow direction) from the point of a drainage area divide to the inlet grate, which extends across the lot width of 30 m.
Explain CBR method of pavement design with one example.
The cost of a 100,000 bbl/d ethanol unit is $40,000,000. From historical records, the capacity exponent ratio for CCR is 0.75. Estimate the cost of a similar ethanol unit with a capacity of 135,000 bbl/d.
A 32mm rebar with a guage length of 200mm was subjected to tension to fracture according to ASTM E-8 method. if the rebar is loaded to 390kn only ad then unloaded, what is the premantnt change in length.
Alkaloids are chemical compounds containing nitrogen that can be produced by plant cells. In an experiment, an insulated closed vessel 1.673 m3 in volume was injected with a dilute water solution containing two alkaloids: ajmalicine and serpentine..
Compare the total reactor volume required for 90% removal of a substance that decays according to first-order kinetics with a rate constant of 0.05 day -1 in a CM system that contains a single reactor against a system that contains three CM reacto..
incoming wastewater , with BOD5 equal to about 200mg/l is treated in well-run secondery treatment plant remove 90 percent of the BOD. you are to run five-day BOD test with a stander 300-ml bottle , using mixture of treated sewage and dilution wate..
A drinking water treatment plant will be designed to process a flow of 15,000 m3/d. The sedimentation tank will have a residence (detention) time of 4 hours and the overflow rate (Q/A) of 16 m3/m2-day
On average each student produces 1 kg of carbon dioxide per day. The recommended ventilation rate of fresh air to avoid excessive carbon dioxide buildup is 8 L per second per student.
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