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Why Producing CBG, LBG, Hydrogen, & Methanol from Biogas can be Beneficial?

Biogas is capable of meeting the world's growing demand for greener fuels. CBG has properties that are very similar to CNG and can be directly used to power CNG engines. LPG is a popular choice for fueling heavy-duty vehicles and is also considered a great alternative in the shipping industry. Apart from being used as a fuel, the ease with which it can be converted into hydrogen and methanol makes biomethane a good option.

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Why Producing CBG, LBG, Hydrogen, & Methanol from Biogas can be Beneficial?

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  1. Reasons why Producing CBG, LBG, Hydrogen, & Methanol from Biogas is Viable Produced using an anaerobic digestion process from organic feedstock, biogas is a renewable fuel that comprises 50 to 65 percent methane, 30 to 40 percent CO2, 1 to 2.5 percent hydrogen sulfide, and a very small amount of moisture. Initially touted as a rural economy product, biogas is now considered a key fuel that could supplement the ever-increasing global demand for greener fuels. Thanks to the advancements in technology and the dire need to shift to green fuel, biogas has become the best alternative. The Linköping University’s Biogas Research Center report states that biogas contributes to all seventeen of the UN’s Sustainable Development Goals. Besides, it can also be converted to produce various sustainable transportation fuels. How is CBG Produced? Compressed biogas plant manufacturers say that the elimination of CO2, moisture, and hydrogen sulfide helps produce gas with 97 percent pure methane. There are numerous biogas purification methods such as membrane separation, water scrubbing, pressure swing

  2. adsorption, and pressure swing absorption. This highly pure gas is compressed at 250 bar pressure, after which it can be referred to as compressed biogas or CBG. What are the Benefits of CBG? There are a myriad benefit of compressed biogas. The properties of CBG are quite similar to CNG (compressed natural gas). This fuel can be directly used to power CNG engines. Besides, when liquefied through cooling at -162 degrees Celcius, we can obtain LBG or liquefied biogas which is known for having a high energy density- 1 liter of LBG can produce the same amount of energy that 2.4 liters of CBG can produce. Due to this property, LBG reduces storage requirements and makes it easier to transport long distances. However, it only makes sense when the volume of the liquefiable biogas is large enough to warrant the large Capex required for converting the biogas into LBG. LBG is a popular choice for fueling heavy-duty on account of a plethora of other benefits as well. Low sulphur content and low lifecycle GHG than diesel are the other advantages. Not just heavy-duty vehicles on road, but it is considered a great alternative in the shipping industry as well. Besides being used as a fuel, easy conversion into hydrogen and methanol also make biomethane a popular choice. Methane contributes to constituting a major part of biogas and the most common method for hydrogen production encourages the reforming of light hydrocarbons, mainly methane. Syngas is produced through the gasification process in which biomethane is heated at a temperature as high as above 600 º C. Syngas is a blend of carbon monoxide and hydrogen. Methanol, an effective fuel with an octane rating of 100 can be generated from syngas as well. Methanotrophy or partial oxidation is also a great method for direct methanol production. Methanol is considered more affordable as compared to LNG or marine oils. it has become attractive to the maritime community due to negligible SOx or NOx emissions. China is a great example of how a country can make the most of methanol to fuel vehicles. You will find vehicles fueled with various blends of gasoline and pure M100 as well. SATAT Scheme in India The Indian government launched the SATAT (Sustainable Alternative Towards Affordable Transportation) scheme in 2018. It has been encouraging private businesses to set up compressed biogas plants and further sell the gas to oil companies. The chairman of the Indian Biogas Association said that 3497 LOIs were issued by the oil marketing companies and 37 plants with an average capacity of 5 tonnes/day have been commissioned. This would contribute to the annual production of 63 thousand metric tonnes of compressed biogas.

  3. The scheme aims at producing 15 million tonnes of compressed biogas by 2023-2024. LBG, hydrogen, and methanol are not produced in India from biogas as yet due to a multitude of reasons. Several roadmaps have been chalked out by the Indian government and Niti Ayog to expedite our transition toward green fuels as well as boost the production of LNG, methanol, and hydrogen. For more information about hydrogen sulfide scrubbers, or biomethane, feel free to connect with us. Source: https://medium.com/@biogaspurifier_18903/reasons-why-producing-cbg-lbg-hydrogen-methanol- from-biogas-is-viable-e910163748f

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