BHT401 Chemical Processing of Textiles-I Syllabus
AKTU B.Tech · 4th Semester · Unit-wise syllabus (effective 2023-24)
BHT401 Chemical Processing of Textiles-I (also written as KHT401) is a subject in Semester 4 of the AKTU B.Tech programme, prescribed by Dr. A.P.J. Abdul Kalam Technical University. It carries 4 credits with an L-T-P of 3-1-0. The syllabus is divided into 5 units: Singeing, Outcomes. The complete unit-wise topic list, course outcomes and reference books are given below, taken from the official AKTU syllabus effective from 2023-24.
BHT401 Subject Details
| Subject Code | BHT401 / KHT401 |
|---|---|
| Subject Name | Chemical Processing of Textiles-I |
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU) |
| Course | B.Tech (Bachelor of Technology) |
| Year / Semester | 2nd Year · 4th Semester |
| Credits | 4 |
| L-T-P | 3-1-0 |
| Total Units | 5 |
| Scheme Effective From | 2023-24 |
| Last Verified | 2026-08-15 |
BHT401 Chemical Processing of Textiles-I Unit-Wise Syllabus
Official AKTU syllabus (effective 2023-24) — 5 units.
Unit 1
Role of water & its quality for wet processing, hard water and soft water. Basic concepts of surfactants in textile processing, Natural and added impurities in textiles, Preparatory process sequences for cotton, wool, silk, polyester, nylon, acrylic and blends.
Unit 2: Singeing
Singeing: Gas singeing, Desizing: Hydrolytic and Oxidative systems, Scouring: Solvent, Conventional and Enzymatic systems, Bleaching with Sodium hypochlorite, Hydrogen peroxide, Sodium chlorite. Optical brightening agents (OBA), mechanism and its application on all fibres. Mercerization of cotton, physical and chemical aspects of mercerization, yarn and fabric mercerizing.
Unit 3
Preparatory processes for protein fibres, wool: Carbonization, scouring, bleaching. Degumming and bleaching of silk. Preparatory processes for synthetic fibres and blends: Objective of heat setting, types of heat setting, working of stenters. Scouring and bleaching of synthetic fibres and blends. Assessment of desizing, scouring, bleaching and mercerization.
Unit 4
Brief introduction to preparatory processing machineries – Batch machines: Pressure Kiers, Vaporloc machines, Jigger, Winch, Semi continuous and continuous machines: J-Box, Padding mangles
Unit 5: Outcomes
General Consideration and classification of textile auxiliaries, Preparation of detergents, comparison between soaps and detergents, Physical principles involved in detergency conditions for efficient detergency. Outcomes: Upon completion of the course, the students will be able: - 1. To know about the role of water in dyeing and preparatory process of different fibers. 2. To know about the Singeing, Desizing, Bleaching and Mercerization. 3. To know about the preparatory process of protein fibers. 4. To know about the preparatory processing machineries. 5. To know about the classification of textile auxiliaries.
BHT401 Course Outcomes
- Objective:
- 1. To enable the students to learn about the role of water in dyeing and preparatory process
- of different fibers.
- 2. To enable the students to know about the Singeing, Desizing, Bleaching and
- Mercerization.
- 3. To enable the students to know about the preparatory process of protein fibers.
- 4. To enable the students to know about preparatory processing machineries.
- 5. To enable the students to know about the classification of textile auxiliaries.
BHT401 Reference Books
- A glimpse on the chemical technology and textile fibres by R.R.Chackrawartt
- Technology of bleaching and mercerization by V.A.Shenai
- Technology of finishing by V.A.Shenai
- Scouring and Bleaching by E.R. Trotman
- Textile Preparation and Dyeing by Asim Kumar Roy Choudhury
Frequently Asked Questions about BHT401
What is the syllabus of BHT401 Chemical Processing of Textiles-I?
The AKTU BHT401 Chemical Processing of Textiles-I syllabus is divided into 5 units: Singeing; Outcomes. The complete topic list for each unit is published on this page, taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus effective from 2023-24.
How many units are there in BHT401?
BHT401 Chemical Processing of Textiles-I has 5 units in the AKTU syllabus, with an L-T-P (Lecture-Tutorial-Practical) structure of 3-1-0 and 4 credits.
Is BHT401 the same subject as KHT401?
Yes. AKTU renumbered its B.Tech subject codes from the 2022-23 session onwards, so the same subject appears as BHT401 and KHT401 depending on the scheme year. The syllabus content is the same.
Which semester is BHT401 taught in?
BHT401 Chemical Processing of Textiles-I is taught in Semester 4 of the 2nd year of the AKTU B.Tech programme.
How many credits is BHT401 worth?
BHT401 Chemical Processing of Textiles-I carries 4 credits in the AKTU evaluation scheme, with an L-T-P of 3-1-0.
Where can I download BHT401 previous year question papers?
AKTU B.Tech previous year question papers for every semester are available to download free on Ryzenstudy, with no login or registration required.
Is this the official AKTU syllabus for BHT401?
Yes. Every topic on this page is taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus document (AKTU B.Tech 2nd Year Handloom and Textile Technology Syllabus), effective from 2023-24. A direct link to the original AKTU PDF is provided at the top of this page. Last verified on 2026-08-15.
Related AKTU Syllabus
Source: Dr. A.P.J. Abdul Kalam Technical University official syllabus — AKTU B.Tech 2nd Year Handloom and Textile Technology Syllabus, effective from 2023-24. Ryzenstudy is not affiliated with AKTU. Content last verified on 2026-08-15.