Petrochemical Feedstocks Overview

Petrochemical Feedstocks Overview

Created by
@WholesomeMaroon

Questions and Answers

What is the main goal of a petroleum refinery?

To maximize the production of high-demand products

Which product needs further processing at another facility, according to the text?

Petrochemicals

How does the boiling point of hydrocarbons change with the increase in carbon atoms?

It increases

Which compound consists of two carbon atoms in a chain with six hydrogen atoms attached?

<p>Ethane</p> Signup and view all the answers

What is the function of asphalt and tar in a refinery?

<p>To produce other products like road material</p> Signup and view all the answers

Which product falls under the category of petrochemicals and lubricating oil feedstock?

<p>Plastics</p> Signup and view all the answers

Which type of petrochemical is produced in the cracking process?

<p>Olefins</p> Signup and view all the answers

What is the main function of high-pressure steam in a refinery?

<p>Driving turbines</p> Signup and view all the answers

Which utility system is the first to start up and the last to shut down in a refinery?

<p>High-pressure steam system</p> Signup and view all the answers

What is the purpose of injecting steam into side stream stripping columns in a refinery?

<p>To facilitate movement of light products up the column</p> Signup and view all the answers

In a refinery, what is the role of atomizing steam in the combustion process?

<p>To enhance combustion by breaking fuel oil into fine droplets</p> Signup and view all the answers

Which petrochemical group includes chemicals like benzene, toluene, and xylenes?

<p>Aromatics</p> Signup and view all the answers

What is the mixture of CO and H2 known as in the petrochemical industry?

<p>Synthesis Gas</p> Signup and view all the answers

What is the primary function of waste heat recovery boilers in a refinery?

<p>To recover heat from hot products for steam generation</p> Signup and view all the answers

What type of steam is typically used as a more reliable utility than purchased power in a refinery?

<p>High-pressure steam</p> Signup and view all the answers

What is an essential function of steam in tower reboilers within a refinery?

<p>Providing heat for the fractionation process</p> Signup and view all the answers

What is the main factor that allows for the separation of crude oil into fractions during the refining process?

<p>Boiling point</p> Signup and view all the answers

Which process alters the molecular structure of compounds during the refining of crude oil?

<p>Cracking</p> Signup and view all the answers

What is the purpose of the fractionating or distillation towers in a refinery?

<p>To separate crude oil into different fractions based on boiling points</p> Signup and view all the answers

What is the role of heaters in the initial stages of a refinery process?

<p>To heat the crude oil efficiently to required temperatures</p> Signup and view all the answers

In the distillation column, why do certain components change into liquid phase and fall?

<p>As the temperature drops below their boiling points</p> Signup and view all the answers

What are recovered at the lowest temperatures during distillation?

<p><em>Liquefied petroleum gases</em></p> Signup and view all the answers

What is the purpose of steam purging in a refinery hydrocarbon unit?

<p>To clean towers and associated equipment for vessel entry</p> Signup and view all the answers

What is the main reason for introducing steam prior to start-up in a refinery tower?

<p>To heat up and remove oxygen from the refinery towers</p> Signup and view all the answers

In heavy oil upgrader operations, what is the purpose of a diluent recovery unit?

<p>To remove light gas oil component of dilbit</p> Signup and view all the answers

What happens to the light gas oil stream in the heavy oil upgrader operations after separation?

<p>Sent to hydrotreaters</p> Signup and view all the answers

What is the main product of the atmospheric distillation tower in heavy oil upgrader operations?

<p>Naphtha</p> Signup and view all the answers

Why is hydrogen added during hydrotreating in heavy oil upgrader operations?

<p>To remove sulfur and nitrogen from the streams</p> Signup and view all the answers

What is one purpose of the hydro converter or coker in heavy oil upgrader operations?

<p>To produce lighter liquid product and by-product coke</p> Signup and view all the answers

What happens to the lighter liquid product from the hydro converter or coker in heavy oil upgrader operations?

<p>Mixed with heavy vacuum gas oil and sent to separate hydrotreaters</p> Signup and view all the answers

What is predominantly fed to the vacuum distillation unit in heavy oil upgrader operations?

<p>Atmospheric topped bitumen</p> Signup and view all the answers

What is removed from bitumen before entering into primary upgraders?

<p>Diluent and water</p> Signup and view all the answers

More Quizzes Like This

Use Quizgecko on...
Browser
Browser