Process name

Water Used (L)

Necessary chemicals

Amount (in kg)

Rate (Tk/kg)

Cost (BDT)

Enzyme

600

Cellulase enzyme

0.8

475

380

Anti-back staining agent

1.2

120

144

Citric acid

0.3

115

34

Stone

100

17.8

1780

Bleach

700

Stable bleaching powder

(Chlorine bleach)

5

43

215

Neutral bath

600

Sodium meta bi-sulphite

1

66

66

Tinting

500

Direct dye

0.0014

2450

3

Fixing + Softening + pH controlling

500

Fixing agent

0.5

450

225

Softener

0.5

150

75

Acetic acid

0.2

245

49

Potassium Permanganate spray

3

Potassium permanganate

0.090

690

62

Phosphoric acid

0.012

120

2

Rinsing water used

3600

(6 × 600 L)

Total water used

6503

0.024 Tk/lit

156

Total cost

3191