Next generation ammonia synthesis: a highly integrated computational modelling and experimental approach

下一代氨合成：高度集成的计算建模和实验方法

基本信息

批准号：
EP/T027851/1
负责人：
Justin Hargreaves
金额：
$ 68.92万
依托单位：
University of Glasgow
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2021
资助国家：
英国
起止时间：
2021 至无数据
项目状态：
未结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FT027851%2F1
关键词：
Next generation ammonia synthesis highly

项目摘要

Ammonia synthesis by the Haber Bosch Process is a large scale reaction of major importance since it forms the basis of synthetic fertiliser production, with ca 85% of the ammonia produced being used to feed crops. It has been estimated that the fertiliser produced via the Haber Bosch Process sustains 40% of the current global population. This reaction is becoming more and more important as demand for food increases along with population growth. As operated currently, which involves large scale chemical plants operating at high reaction pressures and temperatures employing hydrogen feedtsocks generated from fossil fuel sources, the Haber Bosch Process is responsible for the consumption of 1-2% of manmade energy and it also results in about 1.6% of the manmade CO2 released to the atmosphere. The aim of this research is to discover and develop new catalysts which can operate in smaller reactors on a local scale such that fertilisers can be prepared close to their point of use. This will cut down on the CO2 footprint of the process since it would be possible to use feedstocks which are non-fossil fuel based and are derived from renewable energy souces such as wind power and also it would negate the requirement for transportation of fertiliser over long distances. The development of such smaller localised ammonia production units, which could be started up and shut down quickly, would require more active catalysts able to work at lower pressures than those currently employed. In this work we are using a combination of computer modelling and experiments to develop such new catalysts. The new localised sustainable ammonia production capabailities which would result from success in this area would also have impact on the growing interest in using ammonia as a fuel to replace the CO2 producing fossil fuels such as petrol and diesel currently employed.

Haber Bosch工艺合成氨是主要重要性的大规模反应，因为它构成了合成肥料产生的基础，而CA占氨的85％用于喂养作物。据估计，通过Haber Bosch过程生产的肥料占当前全球人口的40％。随着人口增长的增加，随着食物需求的增加，这种反应变得越来越重要。如当前运行的那样，涉及在高反应压力和使用化石燃料来源产生的氢进料的高度压力和温度下运行的大型化学植物，Haber Bosch工艺负责消耗1-2％的人造能量，并且还导致大约1.6％的Manmade CO2释放到大气中的Manmade CO2。这项研究的目的是发现和开发新的催化剂，这些催化剂可以在局部规模上在较小的反应堆中运行，以便可以在其使用点附近准备肥料。这将减少该过程的二氧化碳占地面积，因为可以使用基于非化石燃料的原料，并源自可再生能源，例如风力发电，并且还将否定在长距离上运输肥料的要求。可以迅速启动并关闭的如此较小的局部氨生产单元的开发将需要比目前使用的催化剂能够在较低的压力下工作。在这项工作中，我们使用计算机建模和实验的组合来开发这种新的催化剂。由于该领域的成功而导致的新局部可持续氨产生尾巴也将影响人们对使用氨的兴趣越来越多的兴趣，以替代当前使用的石油和柴油等二氧化碳产生的二氧化碳。