Articles
Bio-CNG: The Fuel for Future
by Vivaan Pathak ManagerCompressed biogas is considered as a potential alternative to compressed natural gas (CNG) due to its compositional similarity to CNG.
CNG is a clean fuel and is promoted worldwide over conventional fuels like petrol and diesel. Because of the limited sources of fossil fuels, the need to identify and work on an alternate way to produce a similar fuel with most of its essential properties has risen significantly.
CNG has several advantages over conventional fuels, such as causing reduced corrosion and wear to the engine. It is environment-friendly because of lower emissions of carbon and particulate matter per equivalent distance traveled, and since it is lighter than air, it is much safer in case there is a spill.
Bio-CNG
Keeping in view limited resources of CNG, biogas is advised as potential fuel to provide a continuous supply of CNG in the form of bio-CNG made with the use of biogas to CNG plant. Bio-CNG is an excellent choice in the present time for the transportation sector.
Biogas is a combustible mixture of gases mainly consisting of methane and carbon dioxide. It is formed from the anaerobic bacterial decomposition of organic compounds in the absence of oxygen. The gases formed during this process are the waste products of the decomposing microorganisms’ respiration. The composition of the gases depends on the constituents of the substance that is being decomposed.
Biogas to bio-CNG
The first step in the biogas to bio-CNG plant involves the enrichment of biogas.
CNG is a clean fuel and is promoted worldwide over conventional fuels like petrol and diesel. Because of the limited sources of fossil fuels, the need to identify and work on an alternate way to produce a similar fuel with most of its essential properties has risen significantly.
CNG has several advantages over conventional fuels, such as causing reduced corrosion and wear to the engine. It is environment-friendly because of lower emissions of carbon and particulate matter per equivalent distance traveled, and since it is lighter than air, it is much safer in case there is a spill.
Bio-CNG
Keeping in view limited resources of CNG, biogas is advised as potential fuel to provide a continuous supply of CNG in the form of bio-CNG made with the use of biogas to CNG plant. Bio-CNG is an excellent choice in the present time for the transportation sector.
Biogas is a combustible mixture of gases mainly consisting of methane and carbon dioxide. It is formed from the anaerobic bacterial decomposition of organic compounds in the absence of oxygen. The gases formed during this process are the waste products of the decomposing microorganisms’ respiration. The composition of the gases depends on the constituents of the substance that is being decomposed.
Biogas to bio-CNG
The first step in the biogas to bio-CNG plant involves the enrichment of biogas.
The process of biogas enrichment generates new possibilities for its applicability at a larger scale as then it can be used as a substitute for natural gas. Bio-CNG has a calorific value equivalent to CNG, and its overall cost from production to the consumer is lesser than CNG.
The enrichment process involves the removal of carbon dioxide and other impurities from biogas to increase the concentration of methane and the calorific value of the gas. There are many methods used to convert biogas into Bio-CNG, such as water scrubbing, amine scrubbing, PSA, membrane separation, and cryogenic separation.
Water scrubbing and PSA are the most common methods used because of the simplicity and effectiveness of the process. Cryogenic upgrading is an excellent choice because it produces purified biogas in a liquid state, but is not commonly used due to its complex operational process. Although with the latest innovations, this technology may break through within a short period, resolving the existing problems.
Benefits of Bio-CNG
Improvement in the general public health, environmental health, reduced dependence on fossil fuels, and economic growth are few essential advantages of bio-CNG implementation. It is important to note that with the depleting resources of fossil fuels, there is an increase in availability of raw materials required for biogas and bio-CNG production is increasing continuously because of the rapid growth in population worldwide.
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About Vivaan Pathak 
Manager
1 connections, 0 recommendations, 27 honor points.Joined APSense since, January 12th, 2019, From Ahmedabad, India.
Created on Jan 22nd 2019 03:39. Viewed 559 times.
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Apr 1st 2019 06:50