Process name

Water Used (L)

Necessary chemicals

Amount (in Kg)

Rate (Tk/kg)

Cost (BDT)

Desize

600

Anti-back staining agent

1

120

120

Stone

100 kg

17.8

1780

Enzyme

600

Cellulase Enzyme

0.8

475

380

Anti-back staining agent

1.2

120

144

Bleach

700

Stable bleaching powder

(Chlorine bleach)

5

43

215

Neutral (2 times)

1200

Sodium meta bi-sulphite

2.5

66

165

Tinting

500

Direct Dye

0.0014

2450

3

Fixing

500

Fixing Agent

0.5

450

225

Softening

500

Softener

0.5

150

75

pH controlling

500

Acetic acid

0.2

245

49

Potassium Permanganate spray

3

Potassium permanganate

0.045

690

31

Phosphoric acid

0.006

120

1

Rinsing water used

7200

(12 × 600 L)

Total water used

12,303 L

0.024 Tk/litre

295

Total cost

3480