Process

%

Chemical

^oC

Time(min)

PH

Comments

Washing

200

Water

40

0.5

Rockol 642

30

Drain

150

Neutralization

1

Sodium formate

30

0.3

Sodium bicarbonate

3×15

5

Check Ø with B.C.G

Drain

Washing

300

Water

35

5

Drain

100

Water

35

Retannage

5

Rockytan RE-540

30

5

Rockytan RD

30

3

Rockytan RAB

30

2

Rockytan LF

1.5

Rockytan ROS

30

0.4

Formic acid

30

Drain

100

Water

50

Fatliquoring

3

Rockol OPS-322

3

Rockol LNP-375

3

Rockol LNE-918

1.0

Rockol CS-414

60

0.7

Formic acid

2×15

1

Rockytan RAB

20

0.5

Formic acid

2×15

3.5

Drain

Washing

300

Water

20

5