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2003 Course Petrochemical Processes

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Total No. of Questions : 8] P1596 [Total No. of Pages : 2 [3764]-392 B.E. (Petrochemical Engineering) PETROCHEMICAL PROCESSES (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) Answer any three questions from each section. Answers to the two sections should be written in separate answer books. Figures to the right indicate full marks. Neat diagrams must be drawn wherever necessary. SECTION - I Q1) a) Describe with flowsheet the process for conversion of toluene to benzene by Hydrodealkylation. [12] b) Write a note on, Autothermal Reactor . [3] c) Mention end uses of Bisphenol-A and Acetic Anhydride . [3] Q2) a) Describe with flow sheet the Nippon Zeon process for separation of [12] butadiene from steam cracked C5 cut. b) Mention end uses of ethylene oxide and formaldehyde. [4] Q3) a) Describe the process of steam reforming for production of hydrogen.[10] b) Elaborate on, Xylene Isomerisation . [4] c) Mention end uses of acrylonitrile. [2] Q4) a) Describe with flow sheet the BASF process for manufacture of isoprene [12] from steam cracked C5 cut. b) Explain the role of steam in steam cracking of naphtha. [4] SECTION - II Q5) a) Describe with flow sheet the oxidation dehydrogenation process for conversion of methanol to formaldehyde. Mention applications of formaldehyde. [12] b) Explain the process for preparation of nylon 66. [6] P.T.O. Q6) a) Mention end uses of styrene and ethylene glycol. [4] b) Describe with flow sheet the Sohio process for conversion of propylene to acrylonitrile. Mention health and handling precautions for acrylonitrile. [12] Q7) a) Describe with flow sheet how ethylene can be converted to polyethylene by low pressure Ziegler process. [10] b) Mention health and handling precautions and applications of butadiene.[6] Q8) Write short notes on following (Any 4) : a) Types of Polymerization. b) Manufacture of LDPE. c) Thermoplastics and Thermosets. d) Manufacture of HDPE. e) Feedstocks other than Petroleum. f) Styrene Butadiene Rubber. [3764]-392 2 [16]

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