Producing, Storing and Using Liquid CO2

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In summary, liquid CO2 is a colorless and odorless gas produced through carbon capture and storage. It has various uses in industries such as refrigeration, dry cleaning, and food and beverage. It is stored in insulated tanks and should be handled carefully with appropriate safety precautions. It can be converted back into a gas and released into the atmosphere, but this should be done under regulated conditions to prevent harm to the environment. Proper disposal is important to avoid contributing to greenhouse gas emissions.
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dorado72
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Homework Statement


I'm in a class where we want to figure how liquid CO2 can be produced, how to store it, uses for it. Does anyone know any references online that might provide some information for this?


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The Attempt at a Solution


The conditions to produce liquid CO2 would have to occur under high pressures. A type of storage technique is sequestration where CO2 is stored under water. Other than that I'm a bit foggy about the subject.
 
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You will need phase diagram for carbon dioxide, that's not difficult to Google.

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methods
 
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There are several methods for producing liquid CO2, including the compression of gaseous CO2 at high pressures or the cooling of gaseous CO2 at low temperatures. This can be achieved through various industrial processes, such as the Haber-Bosch process or the Linde process.

Storing liquid CO2 can be done in tanks or pipelines, but it is important to ensure that the containers can withstand the high pressures and low temperatures of the liquid. Another method of storage is through carbon capture and sequestration, where CO2 is injected into underground geological formations for long-term storage.

As for uses, liquid CO2 has many industrial and commercial applications. It is commonly used in the food and beverage industry for carbonation, as well as in the production of dry ice. It is also used in oil and gas extraction, where it can be injected into oil reservoirs to enhance oil recovery. Additionally, liquid CO2 has potential as a renewable energy source, as it can be used in power plants to generate electricity.

I suggest checking out reputable sources such as scientific journals, government websites, and industry publications for more information on producing, storing, and using liquid CO2. Some potential references include the International Energy Agency, the United States Environmental Protection Agency, and the American Chemical Society.
 

FAQ: Producing, Storing and Using Liquid CO2

What is liquid CO2 and how is it produced?

Liquid CO2, or liquid carbon dioxide, is a colorless and odorless gas that is converted into a liquid state by increasing the pressure and decreasing the temperature. It is produced through a process called carbon capture and storage (CCS) where CO2 emissions from industrial processes, such as power plants and factories, are captured and stored in a liquid form for later use.

What are the common uses of liquid CO2?

Liquid CO2 has several uses in various industries. It is commonly used as a refrigerant in refrigeration systems, as a solvent in dry cleaning and extraction processes, and as a propellant in aerosol products. It is also used in the food and beverage industry for carbonation of drinks and in the oil and gas industry for enhanced oil recovery.

How is liquid CO2 stored?

Liquid CO2 is stored in large tanks or cylinders that are specifically designed to withstand high pressures. The tanks are usually insulated to maintain the low temperature of the liquid CO2, which is around -109 degrees Fahrenheit. The storage tanks also have safety features, such as pressure relief valves, to prevent over-pressurization.

What are the safety precautions for handling liquid CO2?

Liquid CO2 can be dangerous if not handled properly. It is important to wear appropriate protective gear, such as gloves and goggles, when handling liquid CO2. It should also be stored in a well-ventilated area, as it can displace oxygen and cause suffocation. In case of a leak, the area should be evacuated and proper safety procedures should be followed.

Can liquid CO2 be converted back into a gas and released into the atmosphere?

Yes, liquid CO2 can be released back into the atmosphere by converting it into a gas through a process called vaporization or by simply releasing it from the storage tank. However, this should only be done in controlled and regulated conditions to prevent harm to the environment. It is important to properly dispose of the liquid CO2 to avoid contributing to greenhouse gas emissions.

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