Answer to Question #241490 in Chemical Engineering for Innocent

Question #241490

At 400 tons per annum capacity, 99 % w/w urea is to be produced from ammonia and CO2 using a simplified three step processinvolvingsynthesis,decompositionandconcentration, (i).Sketchtheblockdiagramforthisprocess. (ii). Given that 80 % conversion of CO2 is achieved with 50 % excess ammonia during urea synthesis, evaluate the actual quantitiesofthefeeds? 


1
Expert's answer
2021-09-25T11:27:21-0400

Provided that:

Given that 80 % conversion of CO2 is achieved with 50 % excess ammonia during urea synthesis:

Actual quantity of feed is shown:



It implies we will require37.08 c to obtain 39.72bc


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