Enzyme wash Recipe with Flowchart and Washing Process

Md Mahedi Hasan

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Recipe:

Desizing
M:L = 1:5Desizing agent = 1%(d – amylase)
Wetting agent = 0.2g/L
High penetration and wetting of fibre
pH = 6 – 8
Temp =600
Time = 20 min
Enzyme ( bio-abrasion)
M : L = 1 : 5
Pumice stone = 20 -150 %
Enzyme = 1 % ( cast sol 5N gronules)
Time = 70 min
PH = 6.5 – 7
Anti-back staining agent = 0.5% ( Sardo clear IOS liquid)
Detergent = 1%
Time = 5 min
Temp = 600 c
Enzyme wash Recipe
Backwash
Soda Ash = 0.3g / L
pH = 9 – 10Temp = 600cTime = 10 min
Additional bleaching
( if necessary)

Sodium Hypochlorite = 10 g /L
Or Calcium Hypochlorite = 0.5 = g /L
Enzyme = 1 %
Time = 20 min
Temp = 500c
pH = 10
Neutralizing
Sodium metabisulphite = 1 -2 g/ L
Temp = 500c
Time = 10-20 min
Enzyme wash Additional Process Recipe

Enzyme washing steps are as:

1. Washing

Enzyme wash Recipe with Flowchart

Water and garments loading add chemicals, raise temp. 600c and wash for 20 min. Drop liquor.

2. Bio abrasion

Load water; add bleaching chemicals and pumice stone, continue for 70 mins. Drop liquor. Again load water. Detergent wash at 600c for 5 min.

Enzyme wash Recipe with Flowchart and Washing Process

3. Back wash

Load water; add chemical; check pH; continue to wash at 600c for 10  min, Drop liquor.

4. Bleaching

Load water; add bleaching chemical; raise temp. at 500c; continue for 20 min; liquor drop.

5. Neutralizing

Load water; add sodium metabi-sulfate, continue washing for 20 min at 500c.

Wash again with fresh water for 5 mins and drop the liquor.

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