{"id":2503,"date":"2026-05-08T03:48:10","date_gmt":"2026-05-08T03:48:10","guid":{"rendered":"https:\/\/boshiya.com\/?p=2503"},"modified":"2026-05-08T04:07:17","modified_gmt":"2026-05-08T04:07:17","slug":"ammonia-production-haber-bosch-process","status":"publish","type":"post","link":"https:\/\/boshiya.com\/ja\/blog\/ammonia-production-haber-bosch-process\/","title":{"rendered":"\u30a2\u30f3\u30e2\u30cb\u30a2\u88fd\u9020\u30d7\u30ed\u30bb\u30b9: \u30cf\u30fc\u30d0\u30fc \u30dc\u30c3\u30b7\u30e5 \u30ac\u30a4\u30c9 (2026)"},"content":{"rendered":"
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throughput in modern ammonia production<\/a> process technology turns atmospheric nitrogen in the world’s single greatest industrial feedstock. In 2023, world throughputs are projected to total 240m tonnes of output,with over 80% being converted to fertilizer that, by Vaclav Smil’s accounting, supply just over 50% of the world’s human population. modern ammonia production process technology makes up around 2% of global final energy consumption and 1.3% of energy-system CO emissions (IEA, 2021). This primer aims to elucidate the in-depth how-matter flows and how green ammonia happenthat, for a process engineer or buyer, can illuminate taking up a sip of the modern ammonia production process.<\/p>\n

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Quick Specs: Ammonia Production<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Dominant process<\/td>\nHaber-Bosch (~95% of global output)<\/td>\n<\/tr>\n
Reaction<\/td>\nN\u2082 + 3H\u2082 \u21cc 2NH\u2083, \u0394H = \u221292.28 kJ\/mol N\u2082<\/td>\n<\/tr>\n
Conditions<\/td>\n400\u2013500 \u00b0C, 150\u2013250 bar in synthesis loop<\/td>\n<\/tr>\n
Catalyst<\/td>\nPromoted iron (Fe + K\u2082O + Al\u2082O\u2083 + CaO); ruthenium in some KAAP plants<\/td>\n<\/tr>\n
Hydrogen feedstock<\/td>\nSteam methane reforming (~65%), coal gasification (~30%), water electrolysis (<1%)<\/td>\n<\/tr>\n
Global output (2023)<\/td>\n~240 Mt\/yr (Wikipedia\/Statista)<\/td>\n<\/tr>\n
Energy intensity<\/td>\nBest practice ~28 GJ\/t \u00b7 World average ~41 GJ\/t (IEA)<\/td>\n<\/tr>\n
CO\u2082 footprint<\/td>\n~1.3% of global energy-system CO\u2082; ~2% over the full life cycle<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

What Is the Ammonia Production Process?<\/h2>\n

\"What<\/p>\n

An ammonia production process is the industrial route by which the atmospheri nitrogen and hydrogen gas are reacted into ammonia (NH3) a colourless gas and chemical feedstock for nitrogen fertilizer and an increasing number of energy-carrier applications. Both feedstocks are derived directly from the atmosphere (for nitrogen) and from natural gas, coal or water (for hydrogen). 80-88% of all ammonia production is used up as fertilizer – either directly as anhydrous ammonia or as some Ingkinree, ammonium nitrate, and other downstream nitrogen derivatives. A second fraction is used for the production of plastics, fibres, explosives, refrigeration and nitric acid via the Ostwald process.<\/p>\n

On a global scale, the nmbers are astonishing. USGS Mineral Commodity Summaries 2025<\/a> indicates that as of 2024 China exclusively, had manufactured some 47mt of contained nitrogen as ammonia \u2013 representing around 29% of the world\u2019s production. It is estimated that 18-20 Mt of ammonia are transported between countries annually in dedicated ammonia carriers and pipelines.<\/p>\n

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240 Mt\/yr<\/div>\n
Global output (2023)<\/div>\n<\/div>\n
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~2%<\/div>\n
Of global final energy<\/div>\n<\/div>\n
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1.3%<\/div>\n
Energy-system CO\u2082 (IEA)<\/div>\n<\/div>\n<\/div>\n

One framing\u2014with its seemingly innocuous 2% rule\u2014 reveals why this process is so important for climate policy. ammonia production accounts for about 2% of global final energy and 1.3% of energy-system carbon dioxide emissions, the single largest-reaction greenhouse gas footprint in industrial chemistry. Decarbonize ammonia, and you’ve decarbonized about the same greenhouse emissions as if you decarbonized all of global aviation.<\/p>\n

Nearly all that 2% is contained within a single technology family\u2014 haber-bosch\u2014and it’s that section which this guide will explore in detail.<\/p>\n

The Haber-Bosch Process: Chemistry, Equation & Conditions<\/h2>\n

\"The<\/p>\n

A haber-bosch process (sometimes called the haber process) mixes atmospheric nitrogen (N) taken from the atmosphere with hydrogen (H) into ammonia using finely divided iron as a catalyst. It is the primary industrial pathway for ammonia synthesis and the process that almost all large-scale ammonia plant industrializes in some manner. German chemist fritz haber built a proof-of-concept at lab scale in 1909, and carl bosch commercialized it at BASF Oppau in 1913.<\/p>\n

haber received the nobel Prize in Chemistry in 1918, and Bosch received the prize in 1931 for related work with high-pressure chemistry.<\/p>\n

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Without the synthetic fixation of nitrogen by the haber-bosch process, maybe two out of five of us would not be alive today. No other technological step forward of the 20th century has so directly affected the happiness of so many.<\/p>\n