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Table 10 Water and energy consumption for conventional processes

From: Sustainable processes for pre-treatment of cotton fabric

Steps in the conventional processes

Water consumption (m3/ton)

Energy consumption (kWh/ton)

Cost (Rs/ton)a

Desizing (MLR 1:20)

20

697

5578

Hot wash (MLR 1:50)

50

4068

32,542

Scouring (MLR 1:30)

30

2441

19,525

Hot wash (MLR 1:50)

50

4068

32,542

Bleaching (MLR 1:30)

30

1743

13,946

Hot wash (MLR 1:50)

50

4068

32,542

Neutralisation (MLR 1:50)

50

0

0

Total

280

17,085

136,677

  1. a1 kWh = 8 INR