17 Questions
What is the purpose of the Claus process in natural gas processing?
To recover elemental sulfur
How is nitrogen typically removed from the gas stream in natural gas processing?
Using cryogenic distillation
Which process in natural gas processing involves the extraction of ethane, propane, and butane?
Hydrocarbon Recovery
What is the main component of liquefied natural gas (LNG) produced in natural gas processing?
Methane
In a system with three cooling stages for LNG production, what does the sub-cooling stage achieve?
Takes the gas down to LNG state at around -162°C
What is the common method used to cool the gas in the pre-cooling stage of LNG production?
Propane or a mixture of propane and ethane
What is the predominant constituent of natural gas?
Methane
Which of the following is NOT a contaminant in the natural gas stream?
Methane
What is the purpose of re-pressurizing the gas in a natural gas plant?
For transmission purposes
Which of the following is a saleable by-product in natural gas processing?
Propane
What does 'sour or sweet' refer to in the context of natural gas plants?
The composition of the gas
Why is it necessary to remove impurities from natural gas before use?
To meet quality standards for industrial or domestic use
What is the purpose of the absorption process in natural gas processing?
To absorb hydrogen sulfide and carbon dioxide
Why is compression divided into several stages in natural gas production?
To improve maintenance and availability
How is dehydration achieved in natural gas processing?
By contacting the gas with a glycol mixture
Which type of compressor is typically used for low-pressure compression in natural gas processing?
Reciprocating compressors
What is the main reason for acid gas removal in natural gas processing?
To prevent corrosive damage and meet regulatory requirements
Learn about the process of purifying natural gas tapped from gas wells before it can be used as fuel or raw material for petrochemical plants. Understand the composition of natural gas, with methane being the predominant constituent.
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