Ammonia and Nitric Acid Demands for Fertilizer Use in 2050,ACS Energy Letters

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Ammonia and Nitric Acid Demands for Fertilizer Use in 2050
ACS Energy Letters ( IF 19.3 ) Pub Date : 2021-09-24 , DOI: 10.1021/acsenergylett.1c01614
Jeonghoon Lim ₁ , Carlos A. Fernández ₁ , Seung Woo Lee ₁ , Marta C. Hatzell ₁

Affiliation

Access to nitrogen-based fertilizers is critical to maximize agricultural yield, as nitrogen is the most common rate-limiting nutrient. Nearly all nitrogen-based fertilizers rely on ammonia and nitric acid as feedstocks, and thus the demand for these chemicals is heavily dependent on the global population and food demand. Over the next three decades, the global population will continue to dictate the market size and value for ammonia and nitric acid, which consequently will have a significant impact on our energy infrastructure. Here, we discuss the potential for carbon-free electrocatalytic nitrogen reduction, nitrogen oxidation, and nitrate reduction to meet fertilizer manufacturing demands. We also explore various growth scenarios to predict the 2050 market size and value for ammonia and nitric acid. We highlight that if the current approaches for manufacturing ammonia and nitric acid remain constant, carbon emissions from the production of fixed fertilizer feedstocks could exceed 1300 Mt_{CO_2eq}/yr, prompting a strong need for green alternatives.

中文翻译：

2050 年肥料使用的氨和硝酸需求

由于氮是最常见的限速营养素，因此获得氮基肥料对于最大限度地提高农业产量至关重要。几乎所有的氮基肥料都依赖氨和硝酸作为原料，因此对这些化学品的需求在很大程度上取决于全球人口和粮食需求。在接下来的三十年中，全球人口将继续决定氨和硝酸的市场规模和价值，因此将对我们的能源基础设施产生重大影响。在这里，我们讨论了无碳电催化氮还原、氮氧化和硝酸盐还原满足肥料制造需求的潜力。我们还探索了各种增长情景，以预测 2050 年氨和硝酸的市场规模和价值。_{CO _2eq} /yr，促使对绿色替代品的强烈需求。

更新日期：2021-10-08

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