Table 6 Factor level table of orthogonal test.

From: Cyclic drying and wetting tests on combined remediation of chromium-contaminated soil by calcium polysulfide, synthetic zeolite and cement

Level

A: CaS5

B: synthetic zeolite

C: cement

Times

Dosage/mL

Ratio/%

Dosage/g

Ratio/%

Dosage/g

1

2

8.4

5

20

10

40

2

3

12.6

10

40

15

60

3

4

16.8

15

60

20

80

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