Flexible Use Of The Hydrogen, Reducing The Energy Consumption Of The Ammonia Cracking

Flexible Use Of The Hydrogen, Reducing The Energy Consumption Of The Ammonia Cracking

Working Principle Description:

The process of ammonia decomposition for hydrogen production can be briefly described as follows:

1. Feeding and pretreatment:

High purity ammonia gas (NH3) is used as a raw material to enter the reaction system.

Pre treatment may be necessary, such as removing impurities or adjusting the temperature and pressure of ammonia gas.

2. Reactor:

Ammonia gas comes into contact with catalysts (usually metals such as nickel, iron, or their oxides) in a specific reactor.

Reactors are typically designed as containers capable of withstanding high temperatures and pressures.

3. Decomposition reaction:

At high temperatures (usually 500-800°C) and appropriate pressures, ammonia undergoes decomposition reactions through catalysts.

The reaction equation is: 2NH3 → 3H2+N2

4. Thermal management:

Due to the endothermic nature of the ammonia decomposition reaction, heat input is required to maintain the temperature and rate of the reaction.

Thermal management can be achieved by adjusting the heating method of the reactor or controlling the temperature of the incoming ammonia gas.

5. Gas treatment:

The generated hydrogen and nitrogen are separated and collected through appropriate systems.

Further processing may be necessary to improve the purity of hydrogen gas.

6. Product handling and utilization:

High purity hydrogen can be used in fields such as hydrogen fuel cells and industrial synthesis.

The by-product nitrogen can be utilized or discharged after treatment.

7. System control and monitoring:

Monitor and control reaction conditions, catalyst performance, gas products, etc. to ensure efficient reaction.

Through this process, ammonia can be effectively converted into hydrogen and nitrogen, providing clean energy and raw materials for the hydrogen energy industry and other fields.

Product Advantages:

● Flexible application: Ammonia decomposition hydrogen production technology can adapt to hydrogen production of different scales and needs, with potential for both small-scale applications and large-scale industrial production, and has strong flexibility.

●Reduce energy loss: Compared to directly using hydrogen, ammonia decomposition hydrogen production technology can reduce energy loss during production, storage, and transportation, and improve energy utilization efficiency.

●Controllability: The reaction conditions for ammonia decomposition to produce hydrogen can be adjusted. By optimizing the reaction conditions and catalyst selection, precise control of the reaction process can be achieved, improving production efficiency and product purity.

●Reduce the demand for rare metals: Compared to some other hydrogen production technologies that require a large amount of rare metals as catalysts, the selection of catalysts in ammonia decomposition hydrogen production technology is more flexible, which helps to reduce dependence on rare metals.

Technical parameters:

● Hydrogen delivery: ≤450Nm3/hr;

● Dew point: －10℃

● Pressure: 0.05 Mpa

● Residual ammonia: 1000ppm

Product picture: