Using Unique Technology, Farmers Can Now Generate Hydrogen From Stubble Burning

By October 3, 2021 3   min read  (480 words)

October 3, 2021 |

Fuel Cells Works, Using Unique Technology, Farmers Can Now Generate Hydrogen From Stubble Burning

With the countdown to the monsoon withdrawal officially beginning, apprehension of bad air quality days has started. And amongst the many sources that cause pollution is ‘parali’ (stubble burning) by farmers in Punjab and Haryana.

Now, the farmers can look forward to earning from this agri-waste but also help in the generation of hydrogen.

Researchers from Pune have developed a unique technology for the direct generation of hydrogen from agricultural residue. This innovation can promote eco-friendly hydrogen fuel-cell electric vehicles by overcoming the challenge of hydrogen availability.

Of the several measures that India has promised the world community as part of its Nationally Determined Contributions (NDCs), the action to be taken to limit carbon emissions to restrict global temperature rise is one of them. India has set a target of 450 GW of renewable energy by 2030.

Researchers all over are working towards renewable energy solutions which should be sustainable with a limited carbon footprint. One of the most economical ways to achieve this is to produce hydrogen from a cheap, abundant, and renewable source.

Agricultural waste, which faces a huge challenge for disposal, could be one of the sources of hydrogen production. This could solve the dual problem of energy generation and waste disposal.

A team of researchers from Agharkar Research Institute (ARI), Pune, an autonomous institute of the Department of Science and Technology (DST), Government of India, collaborated with Sentient Labs of KPIT Technologies to develop a technology to extract hydrogen from agricultural residues at lab-scale.

“Our technology is 25% more efficient as compared to conventional anaerobic digestion processes used today. The two-stage process eliminates the pre-treatment of biomass, thus making the process economical and environment friendly. This process generates a digestate that is rich in nutrients, which can be used as an organic fertiliser,” said the Director of the ARI, Dr Prashant Dhakephalkar.

The technology developers explained that the hydrogen fuel generation process comprises the use of a specially developed microbial consortium that facilitates biodegradation of cellulose- and hemicellulose-rich agricultural residues, such as biomass of paddy, wheat, or maise, without thermo-chemical or enzymatic pre-treatment. “The process generates hydrogen in the first stage and methane in the second. The methane generated in the process can also be used to generate additional hydrogen,” the developers added.

“This breakthrough of generating hydrogen from unutilised agricultural residue will help us to become self-reliant on energy resources. It will also add a major stream of revenue to the farmer community,” said Ravi Pandit, the Chairman of Sentient Labs.

Scientists, Dr S.S. Dagar and Pranav Kshirsagar from Maharashtra Association for Cultivation of Science (MACS-ARI) and Kaustubh Pathak from KPIT-Sentient have contributed significantly towards the development of the process, a release from the Ministry of Science & Technology said on Thursday, adding, an Indian Patent application has been filed to protect the IPR.

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