Process Flow Chart of Enzyme Bleach Wash

Enzyme Bleach Wash:

In the previous article, we have read the flow chart of the enzyme wash and the flow chart of bleach wash. In this article, I will give a process flow chart of enzyme bleach wash. Here, I will use 60 pcs garments and 400-liter water

Enzyme Bleach Wash Jacket
Enzyme Bleach Wash Jacket

Process Flow Chart of Enzyme Bleach Wash with Tinting

Step 01: Desizing

Water is added (400 Lt)

Garments are added

Machine started running

500 gm Soda Ash added

500 gm Caustic Soda added

200 gm Bio. D added

Steam to raise temp 60°C

Process time 25 minutes

Drop liquor

Wash down twice

 

Step 02: Enzyme Wash

Water is added (400 Lt)

Machine started running

200 ml liquid, 400 gm powder type Enzyme added

150 ml Acetic Acid Added

200 gm Anti back added

10 Kg Peumic Stone added

Steam to raise temp 50°C

Process time 60 minutes

Drop liquor

 

Step 03: Bleaching

Water is added (400 Lt)

Machine started running

4 Kg KCI (35% Cl2) added

500 gm Soda Ash added

Steam to raise temp 60°C

Process time 10 minutes

Drop liquor

 

Step 04: Neutral Wash

Water is added (400 Lt)

Machine started running

500 gm Hypo sulfide added

Steam to raise temp 45°C

Process time 10 minutes

Drop liquor

 

Step 05: Tinting

Water is added (400 Lt)

Machine started running

0.02% Direct Brown GTL & 0.01% Direct Black V-200 added

4 Kg Salt added

Steam to raise temp 70°C

Process time 20 minutes

Check Shade

Drop the liquor

 

Step 06: Drying

Garments are then taken out

Hydro extracted

Send to the dryer for drying of garments. 

Enzymatic Bio-Bleaching:

A company named ‘Huntsman’ developed a stabilizer. That maximizes the wetting and detergency of this bleaching process. A one-bath caustic neutralizer and peroxide remover to shorten the bleaching cycle. It also reduces energy and water. Huntsman developed surfactants that are eco-friendly systems. It’s both Oeko-Tex and GOTS approved. After fabric or yarn bleaching, a step called Bleach Clean-up. It residues of hydrogen peroxide are left in the bath and need to be completely removed prior to the dyeing process.

 

Author of this Article:

Mayedul Islam
Merchandiser at Fashion Xpress Buying House.
Badda, Dhaka, Bangladesh.
Email: mayedul.islam66@gmail.com

Leave a Comment