What is End Point in Refining? ✅ End Point (EP) refers to the highest temperature at which the last fraction of a petroleum product evaporates during distillation. It is measured using ASTM D86 or similar distillation tests. Why is End Point ...
Operator Zone – Oil & Gas Interview Questions Latest Questions
✔ Ensures each product meets quality specifications (e.g., diesel flash point, gasoline volatility).✔ Prevents overlapping boiling ranges, which affects product purity.✔ Solution: ...
✔ Metals like nickel, vanadium, and iron cause fouling in heat exchangers.✔ Reduce catalyst life in downstream refining processes.✔ Solution: Use demetallization ...
✔ Reduces hydrocarbon partial pressure, allowing separation at lower temperatures.✔ Prevents coking & overheating in the heater and column.✔ Used ...
✔ Removes too many light components, leading to flash point issues in kerosene & diesel.✔ Causes overloading of upper column trays, affecting separation efficiency.✔ ...
Problem Causes Solutions High salt content in crude after desalter Low wash water injection, poor mixing Increase wash water, ...
✔ Possible Causes: Blocked overhead condenser → Poor vapor condensation. Overloaded reflux drum → Excess vapor flow.
