Jawaharlal Nehru Technological University Hyderabad 2007 B.E Chemical Engineering CHEMICAL TECHNOLOGY SET 3 - Question Paper

Code No: R05220803 Set No. 3
II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007
CHEMICAL TECHNOLOGY
(Chemical Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
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1. (a) Write about end uses of chlorine.
(b) discuss the manufacture of sodium carbonate by any process with the help of
block diagram and mention reactions involved in it. [6+10]
2. discuss the production of carbon dioxide from natural gas with a neat flow diagram.
Mention its applications. [16]
3. (a) explain about different sources available for the production of hydrochloric acid.
(b) define the extraction of sulphur by elemental sulfur mining. [4+12]
4. define the production of any magnesium compound with a neat flow diagram.
[16]
5. (a) provide the bsic chemical reactions involved in the production of Phenol-Formaldehyde.
(b) explain the properties and uses of Phenol-Formaldehyde. [16]
6. (a) discuss the purpose of refining the oils.
(b) define the hydrogenation of oils with equations. [8+8]
7. (a) What is glycerin? elaborate the uses of glycerin?
(b) explain the biodegradability of detergents. [8+8]
8. (a) define the feed preparation of wood based material for the production of
pulp.
(b) define the mechanical pulping process. [6+10]
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Earning:   Approval pending.