Given the vast organic waste and resource generation possible and the exponential increase in waste, disposition of biomass-based gasification technologies is important for managing waste sustainably, and generating hydrogen, at lower costs. Together with hydrogen from electrolysis, bio-hydrogen will play a pivotal role in supporting clean hydrogen ambitions in the future. 

Defining Biomass

Biomass is the remainder of organic matter coming from living things and has Hydrogen, Nitrogen, Carbon, Phosphorus, Oxygen, etc. It is an extensively obtainable renewable energy source, with a potential to be turned into useful bioproduct and chemicals through pyrolysis, gasification, combustion involving oxygen, heat and steam.

It is an easy, dependable, and affordable process, coming in handy for the production of biofuel, syngas, hydrogen, and electricity. Biomass gasification does not add considerably to the carbon levels as the biomass utilized for feedstock has already absorbed CO2 from the atmosphere. Besides being carbon neutral, biomass gasification can result in carbon negative by seizing CO2.

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What About the Advantages and Disadvantages of Biomass Gasification?

With regards to biomass gasification, the chief benefit is the technologies’ capability to convert waste into beneficial conventional energy vectors such as power, biofuels and hydrogen gas allowing formation of a circular economy. Given that over 80% of waste in India goes in landfill, use of waste through gasification can also decrease the space needed for landfilling, further decreasing the related ground water pollution and the related water-borne diseases. Given the variety of feedstocks the tech can procedure, it can also be organized in areas where there is stubble burning.

Gasification of biomass has high humidity and low heating worth as opposed to coal by volume, which means that the output is not energy intense and can differ significantly given feedstock’s varied organic matter composition. 

Obtainability of locally available feedstock is also an operational barrier, whereby combination and transport of the feedstock to the processing unit still is a challenge. From a tech standpoint, development of solid tar as a result of cracking of pyrolysis volatiles can pose grave challenges such as clogging of apparatus and pipelines deceasing the competence of the complete system.

Coming to a Close

It is because of the unsustainability of fossil fuels all over the world, the demand will reach a value of USD 187.3 billion by the end of this decade.