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All you need to know about Carbon Capture

November 17, 2017.info.0 Likes.0 Comments

Carbon capture can ideally be defined as the process of methodically reducing large quantities of Carbon dioxide release into the environment. It is a prominently important process to reduce adversities of Global Warming and Ocean Acidification in the long run. Carbon dioxide can be captured from fossil fuel plants or atmospheric air by adsorption or gas separation techniques.

The captured Carbon dioxide is highly advised to be stored in deep crevices of geological formation, or a tightly air-sealed pressure container. It shouldn’t be stored inside deep oceans due to its subsequent ocean acidification effects. Long term storage is still not perfectly feasible as there is still the risk that the gas might leak into the atmosphere, against which the whole operation of Carbon capture is being carried out.

Capture of Carbon dioxide

It is the first step in the Carbon Capture process, and is done to extract it from the mixture of gases in the fossil fuels. One such important technique is the Pressure Swing Adsorption (PSA), which works on considering the inherent properties of the system. This can be done before or after the combustion of fossil fuels in the fossil fuel plant itself. Also, there is another process called the oxy fuel combustion process in which Oxygen is first removed and then combusted to produce final flue gases containing a more concentrated fraction of Carbon dioxide, thereby making the purification much easier and less time-consuming.

Transportation

After it is being captured, it must be transferred to a proper storage facility through pipelines. The methods of transportation of Carbon dioxide are more or less similar to that of natural gas, oil and other fuels.

An umpteen number of health and safety regulations must be ensured for the transportation through pipelines, tankers or ships. A set of branched pipelines are used by a number of industries to discharge their carbon dioxide emissions together, which is transported to the nearest storage facility. This method is called the cluster method and is the most cost-effective and efficient method of carbon dioxide transportation.

Storage

The captured carbon dioxide can either be stored or used for Enhanced Hydrocarbon Recovery process, Oil recovery or Gas recovery. The carbon dioxide captured through this method, when used for recovery processes, could lead to $150 billion of oil that would have gone to waste. This form of usage serves dual purposes, i.e. it uses the existing carbon dioxide to recover other fuels that if not, would have been wasted and also prevents the escape of the gas into the atmosphere again over the years. The carbon dioxide can also be stored in geological formations deep inside the earth. In order to meet the Emission Reduction goals set out in the foreseeable future, Nitrogen removal is a quintessential method to limit the discharge of harmful gases from countless industries from over the world.

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