Academic Presentation | Shitty 3rd Year (2020-2022) We got the opportunity to pitch a slide presentation after the longggg... pandemic. But omicron is knocking at our doors :3

1. Bleaching Process of Cotton Goods
in Winch Machine
Presenting by
MD. Ahsanul MOBIN 1721048
Kh. Nurul Anam AKASH 1721046
Sajid TANJIL 1721049
Abdus SALAM 1721040

2. 1.Introduction
2. Objective
3.Bleaching Recipe
4. Process Flow Chart
and Curve
5. Result and Discussion
6. Conclusion
Contents

3. INTRODUCTION

4. Introduction
Bleaching is generally done in alkaline medium of
the bath.
Bleaching is the process of decolorizing the material
after it has been scoured.
Bath pH, temperature, duration, liquor ratio and the
concentration of bleaching agents decide the
performance of bleaching.
In bleaching process, H2O2 is used widely for
bleaching.
H2O2

5. OBJECTIVES

6. Objectives
1. To remove the natural coloring material from the textile materials
2. To create a comfortable condition of textile materials for
penetrate desirable color .
3. To make the textile materials suitable for the subsequent process.

7. BLEACHING RECIPE

8. Bleaching Recipe
PROCESS PARAMETERS UNIT DOSSING
01 H2o2 (35%) g/l 1-2
02 Sodium silicate g/l 7
03 NaoH g/l .5
04 Wetting agent g/l 1
05 Sequestering g/l 0.5-1
06 M:L 1:5-1:10
07 Temperature *c 90-95
08 Time hours 1-2

9. PROCESS FLOW CHART
& CURVE

10. Process Flow Chart & Curve
Collection Of Cotton Goods
Bleaching Of 95*c
Cold Rinsing
Hot Wash
Cold Rinsing
Drying
Figure: Process Curve
60-95
Figure: Process Flow Chart

11. RESULT & DISCUSSION

12. Result and Discussion
Before Treatment After Treatment