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Scientists have made breakthroughs in hydrogen production from corn straw using new models

Science and Technology Daily, Beijing, April 6- Researchers at Virginia Tech, USA, have made breakthroughs in hydrogen production from corn straw using the new model, which can greatly reduce carbon emissions and costs in the production process. This achievement was published in the Proceedings of the National Academy of Sciences on April 6, which may help accelerate the popularization of low-cost and low-carbon hydrogen powered vehicles.

Percival Zhang, professor of the Biological system Engineering Department of the College of Agriculture and Life Sciences and Engineering of the University, said: "This means that we have proved that we have taken the most important step towards Hydrogen economy, that is, the distributed production of affordable green hydrogen using local biomass resources." The research team has received financial support to carry out a demonstration project of new technology hydrogen production.

This work is based on previous research on the production of xylose. And producing a large amount of hydrogen gas through the most abundant and simple glucose is only theoretically achievable. Researchers used genetic algorithms and a series of complex mathematical expressions to analyze each step of the enzyme induced decomposition of corn straw into hydrogen and carbon dioxide. And it has been confirmed that the simultaneous use of two sugars, glucose and xylose, can increase hydrogen production. Usually, these two sugars can only be used in order in Biotransformation, which increases the production cost.

The new research differs from other production methods that rely on high concentration sugar for hydrogen production, using discarded biomass such as corn bracts and stems for hydrogen production. This not only reduces the cost of creating initial fuel, but also utilizes the resources of nearby plant processing plants as fuel sources to create new value for local enterprises.



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