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Optimizing Ammonia Synthesis: The Catalyst's Vital Role

Optimizing Ammonia Synthesis: The Catalyst's Vital Role

Nov 15,2023
Optimizing Ammonia Synthesis: The Catalyst's Vital Role
Ammonia, denoted as NH3, undergoes direct synthesis from nitrogen and hydrogen, facilitated by high temperature, high pressure, and ammonia synthesis catalyst. Often referred to as ammonia gas, NH3 is primarily produced synthetically, with minimal recovery as a byproduct from coke oven gas.
Flow Chart of Ammonia Synthesis Production
Key Production Methods of Ammonia
Natural Gas Synthesis:

Desulfurized natural gas undergoes secondary conversion, including carbon monoxide and dioxide removal, resulting in a nitrogen-hydrogen mixture.
Methanation removes residual carbon monoxide, yielding pure gas with a hydrogen-nitrogen molar ratio of 3, subsequently compressed for the ammonia synthesis loop.

Heavy Oil Synthesis:

Residue oil, inclusive of various deeply processed residues, contributes to synthesis gas production for ammonia through partial oxidation.
Simpler than natural gas steam conversion, this method requires an air separation unit for oxygen supply.

Coal (Coke) Synthesis:

As coal gains prominence in petrochemical and natural gas industries, it becomes a significant raw material for ammonia production.
Flow Chart of Ammonia Synthesis Production
Versatile Ammonia Applications

Primary use in nitrogen and compound fertilizer manufacturing.
Serves as an industrial raw material and ammonia-based livestock feed, comprising around 12% of global production.
Direct involvement in the production of nitric acid, nitrogen-containing inorganic salts, organic intermediates, sulfonamide drugs, polyurethane, polyimide fibers, and butadiene rubber.
Commonly utilized as a refrigerant in liquid form.
Flow Chart of Ammonia Synthesis Production
Catalytic Processes and Poisoning of Ammonia Synthesis Catalyst

Catalytic Processes of Ammonia Synthesis Catalyst:

Without a catalyst, ammonia synthesis demands a high activation energy of approximately 335 kJ/mol.
Introduction of iron-based catalysts  divides the reaction into two stages with varying activation energies.
Catalysts undergo a maturation period, with activity gradually increasing to a standard level during their active service life.

Understanding Catalyst Poisoning:

Catalysts may experience poisoning during their stable period, significantly reducing or destroying activity.
Poisoning is categorized as temporary or permanent, with temporary poisoning reversible using pure hydrogen-nitrogen gas.

Flow Chart of Ammonia Synthesis Production
SYAMCAT's ammonia synthesis catalysts exhibit high catalytic features at low temperatures, excellent heat and poison resistance, and easy restoration characteristics.


If you seek a reliable manufacturer for ammonia synthesis catalysts, SYAMCAT offers over 30 years of catalyst expertise. With a focus on technological innovation, we provide solutions for optimizing ammonia production. Our commitment is to assist ammonia plants and fertilizer manufacturers in enhancing production efficiency while minimizing environmental impact. Contact us for more information and discover how SYAMCAT contributes to the sustainable development of global agriculture and food security.

Through continuous technological innovation, we provide catalyst solutions for ammonia production.
Phone+86-533-2802131E-mailmarketing@syamcat.com
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SYAMCAT is a professional manufacturer of synthetic ammonia catalysts with over 30 years of catalyst experience and history´╝îThrough continuous technological innovation, we offer catalyst solutions for ammonia production.If you would like to learn more or are in search of a manufacturer for synthetic ammonia catalysts for your company, please feel free to contact us.
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