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KHUDKIBOOK
BLEACHING TECHNOLOGY
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DI03028021
Code: DI03028021
Credits: 4
Semester 3
CS-AI
Bleaching Technology
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Follow on Instagram for UpdatesBleaching Technology Syllabus — Unit-wise Content
The official GTU curriculum for Bleaching Technology (subject code DI03028021) as prescribed for CS-AI · Semester 3 divides the course into 5 units, covering 12 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI03028021)Unit 1 1.1 Introduction and Importance of Pretreatment Processes
- 1.2 Classification of Impurities 1.3 Grey Inspection and Grading of Textile Fabric 1.3.1 Introduction to Grey Fabric and Common defects in grey fabric 1.3.2 Importance of Grey Inspection 1.3.3 Inspection Methods (4-Point System & 10-Point System) 1.3.4 Grading of Fabric 1.4 Object of Shearing & Cropping Process 1.5 Working Principle of Shearing & Cropping Machine 1.6 Object of Singeing Process 1.7 Working Principle of Gas Singeing Machine
Unit 2 2.1 Introduction to pretreatment of cellulosic textiles
- 2.2 Preparatory sequences for cotton and viscose rayon 2.3 Desizing Process 2.3.1 Objects & Classification of Desizing Process 2.3.2 Common Sizing materials and their detection (TEGEWA Scale) 2.3.3 Mechanism of enzymatic desizing 2.3.4 Enzymatic desizing of cellulosic textiles 2.3.5 Various defects in desizing process with their remedies 2.4 Scouring Process 2.4.1 Objects & classification of scouring agents Program Name: Engineering Level: Diploma Branch: Textile Processing Technology Course / Subject Code : DI03028021 Course / Subject Name : Bleaching Technology 2.4.2 Mechanism of Scouring process 2.4.3 Role of various scouring ingredients 2.4.4 Batch wise
- Semi continuous and Continuous processes with recipes and conditions for scouring of cellulosic textiles 2.4.5 Various defects in scouring process with their remedies 2.4.6 Enzymatic scouring process 2.5 Bleaching Process 2.5.1 Objects & classification of bleaching agents 2.5.2 Mechanism of sodium hypochlorite bleaching and hydrogen peroxide bleaching with advantages and disadvantages 2.5.3 Batch wise
- Semi continuous and Continuous processes with recipes and conditions for bleaching of cellulosic textiles 2.5.4 Various parameters affecting the efficiency of hydrogen peroxide bleaching 2.5.5 Various defects in bleaching process with their remedies 2.6 Working of Continuous Bleaching Range Machine 2.7 Combined scouring and bleaching of cellulosic textiles 2.8 Scouring and bleaching of yarn dyed fabric
Unit 3 3.1 Introduction to Mercerization Process
- 3.1.1 Objects and Mechanism of Mercerization Process 3.1.2 Classification of mercerization methods 3.1.3 Various parameters for mercerization process 3.1.4 Mercerizing Machines 3.1.4.1 Chainless Mercerizing Machine 3.1.4.2 Chain Mercerizing Machine 3.1.5 Various defects in mercerization process with their remedies 3.2 Introduction to Optical Whitening Process 3.2.1 Objects and Mechanism of OBA treatment 3.2.2 OBA treatment of cotton and viscose rayon
Unit 4 4.1 Introduction to pretreatment of natural protein textiles
- 4.2 Preparatory sequences for wool 4.3 Carbonization of wool 4.4 Scouring of wool 4.5 Bleaching of wool 4.6 OBA treatment of wool 4.7 Preparatory sequences for silk 4.8 Degumming of silk 4.8.1 Mechanism of degumming process 4.8.2 Various methods for degumming of silk 4.9 Bleaching of silk 4.10 OBA treatment of silk Program Name: Engineering Level: Diploma Branch: Textile Processing Technology Course / Subject Code : DI03028021 Course / Subject Name : Bleaching Technology
Unit 5 5.1 Introduction to pretreatment of synthetic textiles
- 5.2 Preparatory sequences for polyester
- acrylic and blended textiles 5.3 Scouring of polyester
- acrylic 5.4 Mechanism of sodium chlorite bleaching with advantages and disadvantages 5.5 Bleaching of polyester
- acrylic 5.6 Introduction to Weight Reduction Process 5.6.1 Objects and Mechanism of Weight Reduction Process 5.6.2 Weight reduction of polyester fabric 5.7 Optical Whitening Treatment for polyester
- acrylic and blended textiles 5.8 Desizing
- Scouring and Bleaching of P/C and P/V blend fabric 5.9 Pretreatment of Polyester/Wool Blend
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