Table 5 Results of proximate analysis for cottonseed powder.

From: Sustainable biodiesel production from cottonseed oil using a nickel-doped eggshell heterogeneous catalyst optimized via response surface methodology

Parameter

Trial 1 (%)

Trial 2 (%)

Trial 3 (%)

Average (%)

Moisture content

0.9

1.4

1.3

1.2

Volatile matter

94.1

94.3

94.8

94.4

Ash content

3.4

3.1

3.1

3.2

Fixed carbon

1.6

1.2

0.8

1.2

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