Question

Filtration of chlortetracycline crystals
A small test filtration of chlortetracycline crystals in acetone uses a filter medium of negligible resistance. The following data is obtained

Time (sec)


Volume (litre)


10
20
30


0.500
0.707
0.866


In finding these data we have used a filter with 89 cm2 area and a pressure drop of 2.6 m of water. We now plan to filter a much larger crop of crystals containing 7300 litres of solvent by using a filter of 1.3 m2. However, this large crop has a concentration of 0.28 g/100 ml solvent less than the test filtration, which is 0.34 g/100 ml. how long will it take to filter this new crop at the same pressure drop. ​

Answer 1

Answer:

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