INDUSTRIAL CHEMISTRY

Paper Code: 
S-CHY 311
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objective(s):

This course will enable the students to -

get acquainted with the chemistry involved in different industries to develop technical and entrepreneurial skills

 

 Course Outcomes (COs):

Learning outcomes
(at course level)

Learning and teaching strategies

Assessment Strategies

On completion of this course, the students will be able to-

CO1: describe the composition and analyse cement and ceramics.

CO2: determine the constituents of milk, milk products and identify adulterants.

CO3: discuss the characteristics, properties of paint and pigments and prepare inorganic pigments, poster colour

CO4: describe different steps of paper preparation such as pulping, washing, bleaching.

CO5: describe various chemical processes involved in the textile industry

  • Laboratory instructions and Demonstrations
  • Interactive lectures
  • Group discussions
  • Digital learning

 

  • Conduction of Experiments
  • Lab Records
  • Viva voce

 

 

12.00
Unit I: 
Cement and Ceramics

Cement: Types of cement, manufacture, composition and hydration of Portland cement, blended cement, admixture in cement and concrete.
Ceramics: Introduction, types, manufacturing processes, refractories and their commercial applications.

Hands-on Exercises:

  • Analysis of cement and building materials: Silicon dioxide, aluminium oxide, ferric oxide, calcium oxide, magnesium oxide, sulphur trioxide, sulphide- sulphur, sodium and potassium oxide, loss on ignition.
  • Analysis of Ceramics: Determination of titanium dioxides and aluminium oxide from oxide ceramics.

 

12.00
Unit II: 
Dairy Chemistry

Dairy Chemistry: Milk and milk products, composition and structure of milk, milk proteins, enzymes, vitamins, minerals, density and viscosity of milk, effect of heat on milk, milk processing, basic milk categories, butter, ghee and clarified butter.

Hands-on Exercises:

  • Identification of adulterants in milk and milk products. 
  • Determination of titratable Acidity as Lactic acid in milk
  • Determination of calcium and magnesium by EDTA method
  • Phosphatase test for pasteurized milk
  • Determination of casein in milk
  • Clot on boiling test
  • Test for presence of skimmed milk powder in natural milk

 

12.00
Unit III: 
Pigments and Paints

Pigments: General characteristics of pigments, types of pigments, general properties and methods of preparation of white pigments.
Paints: General characteristics of paint varnishes and lacquers, their function, manufacture and classification, general account of enamal, emulsion and water paints. Function of solvent, thinner, dyes, filler, resins, drier, insecticides and additives in paint formulations.

Hands-on Exercises:

  • Synthesis of inorganic pigments
    • Zinc oxide
    • PbCrO4
    • ZnCrO4
    • Prussian Blue
    • Malachite
  • Preparation of poster colour
12.00
Unit IV: 
Paper and Pulp

Importance of Paper industry, characteristics and composition of different papers, various fibrous raw materials for paper manufacture. Classification of Hardwood and Softwoods. Preparation of raw materials (De-barking, chipping, screening and conveying). Pulping and different pulping processes (Mechanical pulping, alkaline pulping, acid pulping and semi chemical pulping). Washing and bleaching of pulp. Effluents from paper industry and their treatment. Stock preparation (Beating, refining, sizing and loading).
Manufacture of paper on paper machine, testing of different properties of pulp and paper.

Industrial visit for demonstration for following process:

  • Pre hydrolysis Kraft and soda-pulping
  • Alkaline Sulphite pulping.
  • Pulp analysis - Kappa/Permanganate number, copper number viscosity and lignin.
  • Waste paper processing/deinking and evaluation.

 

12.00
Unit V: 
Textile Chemistry

Various textile chemical processes such as bleaching, dyeing and printing (cotton, wool and silk). Introduction to the following reaction and their application in textile chemistry. i. Nitration ii. Sulphonation iii. Halogenation iv. Diazotization.

Hands-on Exercises:

  • Synthesis of dye and its application to various fabrics.
  • Determination of colour fastener properties.
  • Industrial visits would be planned for the enhancement of skills for the technical processes involved in these industries.

 

Essential Readings: 
  • Pulp and paper chemistry and chemical technology, James P. Casey- Volume I, Pulp and Paper Industry Canada, 1985.
  • Fundamentals Of Dairy Chemistry, Second Edition, Webb Johnson and Alford, CbS Publishers, India.
  • Industrial Chemistry, Sharma, B.K. & Gaur, H. Goel Publishing House, Meerut (2016).
  • Basics of Paint Technology- Part- 1, V. C. Maliha, Meenal. A.Sikchi, Antar Prakash Centre for Yoga, 2004.
  • Textile Chemistry, Vishu Arora, Abhishek Publications; India, 2013.

 

References: 

SUGGESTED READINGS:

  • Hand Book of Pulp Volume I, Ed. Herbert Sixta, Wiley-VCH Verlag, Weinheim, 2006.
  • Introduction To Paint Chemistry and principles of Paint Technology, Third Edition, G.P.A.Turner, Champan& Hall.
  • Standard methods of analysis, F.J.Welcher, Krieger Publishing Company, Pennsylvania State University.
  • Commercial methods of analysis, F.D. Snell & F.M. Biffen, D.B.Taraporavala& sons.
  • Chemical analysis - A series of monographs on analytical chemistry and its applications, Inter Science- Vol I to VII., J.J. Elving and I.M. Kolthoff, John Wiley & Sons.

e-RESOURCES     

 

Scheme of Examination

The duration of the examination will be 5 hrs.

The following exercises will be set in the examination

Qualitative/Quantitative Estimation                                     25 marks

Sample analysis                                                                18 marks

Preparation                                                                      15 marks

Viva                                                                                12 marks

Total                                                                              70 marks

 

Qualitative/Quantitative Analysis

The exercise carries 25 marks. The distribution of marks will be as follows:

Five marks will be reserved for the preparation of solutions, neat methodical and systematic working of the candidate.

The remaining 20 marks will be distributed as follows:

Theory                                                                          3 marks

Correct observation and proper recording                          3 marks

Use of correct formula and calculation                               4 marks

Result                                                                           10 marks

% Error

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

> 2.0

Marks

10

9

8

7

6

5

4

3

2

1

0

 

Testing of Samples

The students will be allotted two samples for quality testing (nine marks each).

Nine marks shall be further divided as-

Four marks will be awarded to a candidate if she has approached in a systematic and correct manner towards the testing of samples and five marks will be awarded for each test correctly reported and properly recorded.

 

Preparation

The exercise amongst the candidates will be allotted by lot. Preparation of the product carries 15 marks. Five marks out of 15 are reserved for neat, methodical and systematic working. The yield, purity and proper presentation of the product shall be taken into account while awarding marks.

 

Viva

Oral questions shall generally be asked over the work assigned to the candidate.

 

Academic Year: