Natural Gas Plants Overview

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What is the predominant constituent of natural gas?

Ethane

Methane (correct)

Propane

Butane

What are some contaminants that can be found in natural gas?

Helium

Oxygen

Hydrogen Sulfide (correct)

Argon

What is the purpose of re-pressurizing the natural gas in a natural gas plant?

To increase the efficiency of processing

To reduce the volume of gas for storage

To remove impurities

For transmission purposes (correct)

Why is it necessary to remove impurities from natural gas?

As they are objectionable to pipeline transmission companies Signup and view all the answers

Which of the following is not a hydrocarbon constituent found in natural gas?

Nitrogen Signup and view all the answers

What is the main purpose of the Claus process described in the text?

To recover sulfur from feed gases Signup and view all the answers

Which process is commonly used for hydrocarbon recovery in modern plants?

Cryogenic turboexpander Signup and view all the answers

How is nitrogen typically removed from the gas stream in natural gas processing?

Cryogenic distillation Signup and view all the answers

In the liquefaction process, what is the purpose of pre-cooling?

Cools the gas to sub-zero temperatures Signup and view all the answers

Which refrigerant is commonly used in sub-cooling during the liquefaction process?

Methane Signup and view all the answers

What is the purpose of the absorption process in natural gas treatment?

To absorb hydrogen sulfide and carbon dioxide Signup and view all the answers

Which stage involves flashing off gases removed in the separation process at low pressure from the liquid hydrocarbons?

Stabilization Signup and view all the answers

What is the main purpose of sulfur recovery in natural gas processing?

To prevent corrosive damage and meet regulatory requirements Signup and view all the answers

Which type of compressor is typically used for low-pressure compression in natural gas processing?

Reciprocating compressor Signup and view all the answers

What is the purpose of the cryogenic removal process in acid gas removal?

To remove high concentrations of CO2 Signup and view all the answers

Natural Gas Plants Overview

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Questions and Answers

What is the predominant constituent of natural gas?

What are some contaminants that can be found in natural gas?

What is the purpose of re-pressurizing the natural gas in a natural gas plant?

Why is it necessary to remove impurities from natural gas?

Which of the following is not a hydrocarbon constituent found in natural gas?

What is the main purpose of the Claus process described in the text?

Which process is commonly used for hydrocarbon recovery in modern plants?

How is nitrogen typically removed from the gas stream in natural gas processing?

In the liquefaction process, what is the purpose of pre-cooling?

Which refrigerant is commonly used in sub-cooling during the liquefaction process?

What is the purpose of the absorption process in natural gas treatment?

Which stage involves flashing off gases removed in the separation process at low pressure from the liquid hydrocarbons?

What is the main purpose of sulfur recovery in natural gas processing?

Which type of compressor is typically used for low-pressure compression in natural gas processing?

What is the purpose of the cryogenic removal process in acid gas removal?

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