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Code No: 420853 IV-B.Tech. II-Semester Supplementary Examination, July 2003 PETROCHEMICAL ENGINEERING (Chemical Engineering) Time: 3 hours Max. Marks: 70 Answer any Five questions All questions carry equal marks --1. Make a survey of petroleum reserves in the world and compare them with the reserves available in India. Discuss the various exploration methods for finding out the new deposits of petroleum. Why is dewaxing of heavy fractions necessary? Discuss any three methods of dewaxing.

3.a) b)

What are the advantages of catalytic cracking over thermal cracking? Name the catalysts employed for cracking and explain the operating conditions.

4.a) b)

What is the importance of alkylation and isomerization reactions? Explain how these reactions are carried out.

5.

Discuss in detail the production of petrochemicals from C1 fractions.

6.

What are the primary aromatic compounds that have industrial importance? Give an account of chemicals that can be synthesized from them.

7.

Discuss in detail the production of ethanol by various routes. Recommend best suited route in Indian conditions.

8.

Write short notes on the following: (a) Manufacture of Butadiene. (b) Derivatives of Benzene. (c) Higher olefins.

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420853 IV-B.Tech. II-Semester Supplementary ... Accounts

Make a survey of petroleum reserves in the world and compare them with the · reserves available in India. Discuss the various exploration methods for finding.

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