Skip to main content

Table 1 Design Summary used in the regular 2-level factorial model of experiments for biosurfactant production

From: Production and characterization of surfactin-like biosurfactant produced by novel strain Bacillus nealsonii S2MT and it's potential for oil contaminated soil remediation

Factor

Name

Units

Type

Level

Minimum (−)

Maximum (+ 1)

A

Temperature

°C

Numeric

25

30

B

pH

–

Numeric

6

8

C

Agitation

RPM

Numeric

100

180

D

NH4NO3 conc

%

Numeric

0.1

1

E

Yeast Extract

%

Numeric

0

0.2

F

NaCl conc

%

Numeric

0.1

0.5