Petroleum Refinery Engineering Lecture 1
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Questions and Answers

What is the function of the crude distillation unit (CDU) in the petroleum refinery?

It is at the front-end of the refinery and is responsible for crude distillation.

What are some of the products obtained from the petroleum refinery?

Petroleum naphtha, gasoline, kerosene, diesel fuel, asphalt base, and fuel oil

How are petrochemicals feedstock like ethylene and propylene produced in the petroleum refinery?

Directly by cracking crude oil without the need of using refined products of crude oil such as naphtha

What are some of the characteristics of oil refineries in terms of their size and infrastructure?

<p>Typically large, sprawling industrial complexes with extensive piping running throughout</p> Signup and view all the answers

Where is the oil depot usually located in relation to an oil refinery?

<p>At or near the refinery for the storage of incoming crude oil feedstock and bulk liquid products</p> Signup and view all the answers

What are the typical products from the Crude Distillation Unit (CDU)?

<p>Gases, Light straight run naphtha, Heavy gasoline, Kerosene, Middle distillates, Heavy distillates, Crude column bottoms</p> Signup and view all the answers

At what percentage of the design feed rate should the CDU run satisfactorily?

<p>About 60%</p> Signup and view all the answers

What is the temperature range to which the crude oil can reach during the initial heating process in the CDU?

<p>120-150 °C (248-302 °F)</p> Signup and view all the answers

How high is the main column typically in the atmospheric distillation process?

<p>50 m (164 ft)</p> Signup and view all the answers

What is the purpose of injecting steam into the column at the bottom of the stripping section?

<p>(1) To strip the atmospheric residue of any light hydrocarbon and (2) to lower the partial pressure of the hydrocarbon vapors in the flash zone.</p> Signup and view all the answers

What is the main function of an oil refinery?

<p>Refining crude oil into useful products</p> Signup and view all the answers

Where is the crude distillation unit (CDU) located within the refinery?

<p>At the front-end of the refinery</p> Signup and view all the answers

What are some of the major products obtained from crude distillation in a refinery?

<p>Gasoline and diesel fuel</p> Signup and view all the answers

What type of plant usually processes the crude oil feedstock before it reaches the refinery?

<p>Oil production plant</p> Signup and view all the answers

In what ways can oil refineries be thought of?

<p>As industrial complexes with extensive piping</p> Signup and view all the answers

What is the typical range of the capacity of a Crude Distillation Unit (CDU)?

<p>10,000 - 400,000 BPSD (1,400 - 56,000 tpd)</p> Signup and view all the answers

What temperature range is required to boost the temperature of the crude oil in the atmospheric distillation process?

<p>300 - 380 °C (572 - 716 °F)</p> Signup and view all the answers

At what percentage of the design feed rate should the Crude Distillation Unit (CDU) run satisfactorily?

<p>60%</p> Signup and view all the answers

What are the typical products obtained from the Crude Distillation Unit (CDU)?

<p>Heavy Gas Oil (HGO), Light Naphtha, and Jet Fuel</p> Signup and view all the answers

What is the purpose of injecting steam into the column at the bottom of the stripping section in the atmospheric distillation process?

<p>To strip the atmospheric residue of any light hydrocarbon and lower the partial pressure of the hydrocarbon vapors in the flash zone</p> Signup and view all the answers

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