Subject Code & Name: PE25404 – Petroleum Refining and Petrochemicals
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B. Tech. Petroleum Engineering (Petrol)
Credits / L-T-P: 3 Credits | L-T-P: 2-0-2
Course Objectives
- To understand the properties and their significance of crude oils and petroleum fractions.
- To understand, design and analyze the various petroleum refinery processes including primary, secondary and supporting processes.
- To understand the process technologies for petrochemical products.
Full Unit-wise Syllabus
Unit I – Introduction and Refinery Feed Stocks
Overall refinery operations & Indian scenario. Refinery feed stocks: Crude oil classification-Composition and properties-Composition of petroleum crude suitable for asphalt/coke manufacture – Evaluation of crude oils.
Practical: ASTM Distillation apparatus, true boiling curve
Activities: Understanding distillation process
Unit II – Petroleum Products and Their Specifications
LPG - Gasoline- Diesel fuels- Jet and turbine fuels –Lube oils-Heating oils – Residual fuel oils - Wax and Asphalt- Petroleum coke- All Product specifications-Product blending.
Practical: Develop calibration curve of binary mixture of hydrocarbon with refractometer
Activities: Discuss the application of various fuels and their heat value
Unit III – Crude Distillation, Catalytic Reforming and Isomerization
Crude distillation: Atmospheric and Vacuum distillation units, Auxiliary equipment such as desalters, pipe-still heaters and heat exchanger trains etc. Catalytic reforming and isomerization: Catalytic reforming processes (for petroleum and petrochemical feed stocks) – Isomerization Processes -Feed stocks-Feed preparation – Yields.
Practical: Flash point, Pour point, Doctor’s apparatus for moisture content
Activities: Virtual demonstration of Atmospheric and Vacuum distillation
Unit IV – Petrochemical Process I
Thermal & Catalytic cracking processes: Visbreaking- Delayed Coking – Fluid Catalytic cracking and Hydrocracking - Feed stocks – Catalysts - Process variables – Product Recoveries - Yield estimation. Hydrotreating & Hydro processing: Naphtha, Kerosene, Diesel, VGO & Resid, Hydrotreating / Hydro processing – Feed stocks – Process description and Process variables.
Activities: Identification of relevant feed stock for synthesis of petroleum products
Unit V – Petrochemical Process II
Petrochemical Industry - Indian Petrochemical Industry- Feed stocks – Process description and Process Variables-Naphtha cracking-Gas cracking and Gas reforming, Chemicals from gas reforming: Methanol- Acetic acid- Ammonia and urea. Chemicals from ethylene: Ethylene oxide-Monoethylene glycol-Ethyl benzene-Styrene. Polymers: LDPE, HDPE & LLDPE and Polypropylene – PVC – Polystyrene.
Activities: Discuss the recent scenario of petroleum industry
Course Outcomes (COs)
- CO1: Explain crude oil characterization, crude assays, and methods for safe handling and storage of crude oil.
- CO2: Analyze the specifications, properties, and applications of petroleum products used in industrial sectors.
- CO3: Evaluate distillation processes and catalytic refining operations employed in petroleum refineries and petrochemical industries.
- CO4: Analyze the sources, characteristics, and processing routes of petrochemical feedstocks derived from refining and natural gas operations.
- CO5: Evaluate petrochemical products and select appropriate technologies for their efficient and sustainable production.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 50% | End Semester Examinations 50%
- Internal methodology: Assignments (20%), Experimental data analysis and heat transfer calculations (20%), Quiz/MCQs (20%), Internal Examinations (40%)
Source: Official Anna University – B. Tech. Petroleum Engineering R-2025 Syllabus
Last Updated: October 2026
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