via Queensland University of Technology
QUT scientists have discovered how to produce the vital agricultural fertiliser, urea, at room temperature without the large energy input of the traditional production process of synthetic urea.
- Urea is a nitrogen fertiliser for agriculture that supports 27% of world’s population
- Demand for synthetic urea is increasing due to population growth
- High temperatures and high pressure means high energy costs to produce urea
- New method uses a catalyst to make synthetic urea
Dr Junxian Liu, first author on the study, with co-researchers Professor Yuantong Gu and Associate Professor Liangzhi Kou from the School of Mechanical, Medical and Process Engineering, published their findings in the journal, Advanced Functional Materials.
Dr Liu said urea is one of the most vital nitrogen fertilisers and supported about 27 per cent of the world’s population’s crops.
“Urea is also a basic raw material for manufacturing industries including pharmaceuticals, cosmetic and plastic,” Dr Liu said.
“While urea does occur naturally in the environment it is not sufficient to meet the global demand due to population growth and the expansion of agriculture and these various industries.
“The industrial production of synthetic urea began in the early 20th century and the traditional process involves the reaction of ammonia and carbon dioxide at very high temperatures and high pressure.”
Dr Liu said the team proposed a new solution for synthesizing urea using a chemical reaction between nitrogen and carbon monoxide with a graphene-based catalyst under room temperature and atmospheric pressure conditions.
“This approach significantly reduces energy inputs compared to traditional methods, making it a promising advancement in urea production,” she said.
“While this work is in the theoretical stage, we have identified a promising catalyst for sustainable, energy efficient urea synthesis.
“We are now collaborating with other research groups to move towards practical application of this new technology.”
Original Article: New sustainable way to synthesize vital fertiliser
More from: Queensland University of Technology
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