Table 1 below shows the data for the filtration of fruit juice to produce clarified fruit juice at 298.2 K.
Table 1: Total volume of filtrate collected at certain time
|
V * 103 (m3) |
t (s) |
|
0.5 |
17.3 |
|
1.0 |
41.3 |
|
1.5 |
72.0 |
|
2.0 |
108.3 |
|
2.5 |
152.0 |
|
3.0 |
201.7 |
The filtration process was conducted at a constant pressure of 46.2 kN/m2. The area of the plate-and-frame the press was 0.0439 m2, and the pulp concentration was 23.47 kg solid/m3 filtrate.
a) Convert the data in Table 1 into a graph. You can either use Excel or graph paper. Your graph should be self-explanatory.
b) Using the graph in (a), estimate the specific cake resistance and the resistance of the filter medium to filtrate flow.
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