PETRO CHEMICAL PROCESSES DIPLOMA IN CHEMICAL ENGINEERING KAR

 

BOARD OF TECHNICAL EDUCATION

DIPLOMA IN CHEMICAL ENGINEERING

CLASS                       :           VI SEMESTER

SUBJECT                  :           PETRO CHEMICAL PROCESSES (ELECTIVE)

SUBJECT CODE     :           9CH   

                                                                                                No of Hrs/week: 04 Hrs

                                                                                                Total No. of. Hrs: 64Hrs

 

SL.NO	TOPIC	HRS ALLOTED
1     2     3	SECTION-I  Chemicals from methane, ethane, ethylene & Acetylene. SECTION-II Chemicals from C3 , C4 & Higher hydrocarbons SECTION-III  Synthesis gas & chemicals                      Revision\ test	18     18   22   06
	TOTAL	64

 

 

 

SYLLABUS

subject  : PETROCHEMICAL PROCESSES ( ELECTIVE)

Section-I

 

1. CHEMICALS FROM METHANE, ETHANE , ETHYLENE & ACETYLENE:

   Development of Pertochemical industries – Status in India – Feed stocks for  petrochemicals – Purification of gases – Separation of gases into individual constituents by separation techniques- Manufacture of petrochemicals – Chemicals from methane – oxidation of methane – Production of Methanol, Formaldehyde, Chloromethane, Methyl amines – Chemicals from Ethane – Ethylene – Acetylene – Vinyl chloride – Ethylene oxide – Vinyl acetate – Acetaldehyde from acetylene – Production of Isoprene – Ethanolamine – Calcium carbide.

Environmental concerns & innovative methods to reduce energy consumption, for recovery & reuse of valuable materials like catalysts, solvents, byproducts of coking, gaseous products in the above.

 

 

 Section-II

2. CHEMICALS FROM C₃ , C₄ & HIGHER HYDROCARBONS :

Chemicals from C₃ & C₄ & higher hydrocarbons – Dehydrogenation of propane & higher paraffins – Chemicals from propylene – Isopropanol processes (sulphuric acid & dehydration process) – Production of propylene oxide – Acetone – Acrylonitrile – Acrylic acid – cumene – Production of Bisphenol A – Dehydrogenation of Butane & Butene – Production of Butanol – Maleic anhydride – Acetic acid from Butane – Butadiene from Butane alkylation (Sulphuric acid alkylation – HF alkylation).

Environmental concerns & innovative methods to reduce energy consumption, for recovery & reuse of valuable materials like catalysts, solvents, byproducts of coking, gaseous products in the above.

 

 

 

Section-III

 

3. sYNTHESIS GAS aND CHEMICALS :

Steam Reforming of Hydrocarbons – Natural gas steam reforming – Naphtha steam reforming – Production of Synthesis gas – SNG – Production of Synthesis gas via partial oxidation – Chemicals from Synthesis gas – Oxosynthesis – Petroleum Aromatics – Production of BTX – Aromatics from polymer gasoline by hydrogenation – BTX fractionation from crude BTX – Disproportionaton – Isomerisation process – Aluminium chloride process – Isomerisation of xylene to p-xylene – Production of aniline from phenol – Production of Styrene from Ethyl benzene – Production of Maleic anhydride from Benzene – Production of Caprolactum – chemicals from Xylene – Pthaleic anhydride & Dimethyl terephthalate from p-xylene.

Environmental concerns & innovative methods to reduce energy consumption, for recovery & reuse of valuable materials like catalysts, solvents, byproducts of coking, gaseous products in the above.

 

 

 

REFERENCE BOOKS :

          1          Shreves  Chemical Technology by Austen

          2          Dryden’s Outlines of Chemical Technology by Gopal Rao

     3      Petrochemical processes   by Dr. BKB  Rao

     4     A text book of Chemical technology-II by  G N Pandey

 

 

 

 

 

General Objectives

On completion of study of this subject the students will be able to

1          Understand various unit operations and processes involved in the manufacture  of

            petrochemicals.

2          Understand various reactions involved & methods of production of petrochemicals.

3          Understand  various specific properties & applications of petrochemicals.

 

Specific Objectives :

 

SECTION – I

1. Describe the development of Petrochemical industry.

2. Explain the status of Petrochemical industries in our country.

3. Write short note on a) Feed stocks/ Raw materials for petrochemicals

                                   b) Purification of gaseous raw materials

4. Describe the production & uses of methanol by synthesis gas route.

5. describe the production of formaldehyde from methanol.

6. Explain the manufacture of following with flow diagram.

    a) Chloromethanes

    b) Methyl amine

    c) Flouro-chloro methane

7. Describe the production of ethylene.

8. With flow diagram explain the mabnufacture of following.

     a) Vinyl chloride by oxichlorination of ethylene, acetylene - HCl reaction, by ethylene

         oxygen acetic acid reaction.

     b) Ethylene oxide & glycol by oxidation of ethylene, ethanol from ethylene

     c) Vinyl acetate by Wacker process

     d) Acetaldehyde from acetylene

     e) Isoprene from Propylene dimer

 

SECTION – II

With flow diagram explain the production process of the following.

        a) Isopropanol by sulphuric acid process.

         b) Isopropanol by direct hydration of propylene.

         c) Acetone by dehydrogenation of isopropanol.

         d) Propylene oxide via chlorohydrine route

         e) Propylene oxide via direct oxidation route

         f) Cumene via propylene alkylation of benzene

         g) Acrylonitrile & acrylic acid

         i) Bisphenol A, Butanol, Maleic anhydride & acetic acid

         j) Butadiene from Butane

         k) Alkylation process using sulphuric acid & HF

 

SECTION – III

 

 Explain with neat flow diagram the manufacture of the following.

1. Natural gas steam reforming
2. Naphtha steam reforming
3. SNG production from naphtha
4. Synthesis gas via partial oxidation
5. Oxysynthesis process
6. Acetic acid through methyl alcohol
7. catalytic reforming of BTX
8. Aromatics from polymer gasoline
9. Benzene by dealkylation of toluene
10. Maleic acid by benzene-air oxidation
11. Benzoic acid from toluene oxidation
12. Caprolactum
13. Phthalic anhydride from o-xylene
14. Dimethyl terephthalate from p-xylene
15. Delayed coking, Fluid coking, Flexicoking & continuous contact coking

   

 

 

 

BOARD OF TECHNICAL EDUCATION

DIPLOMA IN CHEMICAL ENGINEERING

CLASS                       :           VI SEMESTER

SUBJECT                  :           PETRO CHEMICAL PROCESSES ( ELECTIVE  )

SUBJECT CODE     :           9CH

QUESTION PAPER MARKS WEIGHTAGE TABLE

Note : 1. Question 1 I is compulsory  - Objective Type Question & short note –5+5 marks

          2. Answer any Six Full Questions from the remaining sections

(Choosing at least TWO from each section) Each Question carrying 15 marks

 

SL. NO	SECTIONS	TOPICS	MARKS ALLOTTED	MARKS TO BE ANSWERED
1	Question -1	Objective Type Question & short note	5+5	10
2	Section-I	Chemicals from methane, ethane , ethylene & Acetylene.	45	30
3	Section-II	Chemicals from C3 , C4 & Higher hydrocarbons	45	30
4	Section-III	Synthesis gas & chemicals	45	30
		Total	145	100