The material is treated with 2g/l acetic acid at 70 0C for 15 minutes with water. The liquor ratio is 1:20. The material is given a cold wash for 5 minutes. The pH is maintained at 7.
The material is treated with 2g/l acetic acid at 70 0C for 15 minutes with water. The liquor ratio is 1:20. The material is given a cold wash for 5 minutes. The pH is maintained at 7.