S/N

N

Mi (kg)

Wo (kg)

Em (min)

At (min)

np (≤µm)

ηm (%)

1

A

50

44.3

10

10.11

500

98.0

2

B

50

43.2

10

10.30

500

98.0

3

C

50

44.4

10

10.32

500

98.0

4

D

50

43.6

10

10.01

500

98.0

5

E

50

44.1

10

10.33

500

98.0