Download SGBAU B-Tech 8th Sem FPOPC Petro Petrochemial Technology VI Question Paper

FirstRanker.com

Tech. Eighth Semester

11088 : Petrochemical Technology-VI (Special Technology-VI) : 8 PC 01

--- Content provided by FirstRanker.com ---

Pages : 2

Time : Three Hours Max. Marks : 80

Notes : Due credit will be given to neatness and adequate dimensions.
Assume suitable data wherever necessary.
Diagrams and chemical equations should be given wherever necessary.

--- Content provided by FirstRanker.com ---

SECTION - I

1. For irreversible exothermic catalytic reaction,

   --- Content provided by FirstRanker.com ---

   ir = k1CNA + k3CNQ — k4CpA

   then prove that;

   ki [k4 — 2ks ] / [kq -2k ] [k k3]

   Here phthalic anhydride is considered as a main product.

   OR

   --- Content provided by FirstRanker.com ---

2. Calculate the value of Cy, Cyq and Cpy at temperature 593, 600 and 643°K.

   Assume : i) residence time = 0.2 second ii) Initial concentration of Cy;, Cyo =1%.

3. How to achieved the optimum operating conditions for phthalic anhydride synthesis?

   --- Content provided by FirstRanker.com ---

   Discuss it by considering some true values of temperature and time. Explain by graphical method.

   OR

4. Prove that, 'Adsorption is one of the efficient technique for separation of C, fraction into individual constituents'.

--- Content provided by FirstRanker.com ---

5. What are the important process parameter to be considered in steam cracking process?

   Discuss in brief.

   OR

6. Discuss following in brief:

   --- Content provided by FirstRanker.com ---

   1. Importance of simplified reaction scheme in mathematical modeling.
   2. Role of splitter in steam cracking.
   3. Best feed for ethylene and acetylene synthesis by steam cracking.

FirstRanker.com

--- Content provided by FirstRanker.com ---

7. Give critical account of coal gasification. What are the different processes available for coal gasification? Give comparative data with respect to

   1. Type of feed
   2. Operating conditions
   3. Product pattern for all type of processes

   OR

   --- Content provided by FirstRanker.com ---

8. Feed for shift convertor having following composition;

   H> =34.9mole, CO =7.2mole, CO;5 =5.4mole,

   90% conversion of CO is required. Select the best operating temperature from following.

   1250-7°K (K =65.7)

   --- Content provided by FirstRanker.com ---

   1048°K (K =1.192)

   1231-95°K (K = 47.685)

9. Calculate the yield in casc of reversible exothermic reaction for time 0.5 minute at temperature 80, 90 and 100°C. Assume AG =-10,000]/ mole at 298°K.

   AH =-40,000J / mole (It is constant over the temp. range 273-573°K)

   --- Content provided by FirstRanker.com ---

   K= ](,9e~60,000 /RT min~ 1

   OR

10. If A==—Bis areversible exothermic reaction. The prove that 'for each reaction time there is an individual maxima’.

--- Content provided by FirstRanker.com ---

11. What are the factors which affect the operating conditions for ammonia synthesis?

    Discuss in brief. Which one is the best suitable operating conditions for ammonia synthesis to optimize the yield.

    OR

12. Name the various techniques available for acetylene synthesis with basic principle involved. Discuss any one in brief:

    --- Content provided by FirstRanker.com ---

FirstRanker.com