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Hydrogen Generation Unit

Hydrogen Production from Methanol Cracking

Hydrogen production from methanol cracking is a clean hydrogen production technology in which methanol and steam react to produce hydrogen and carbon dioxide through cracking reaction and carbon monoxide shift reaction under specific temperature, pressure and catalyst. This process is a multi-component, multi-reaction catalytic system, and high-purity hydrogen is finally obtained through purification by pressure swing adsorption process.

With years of in-depth experience in this field, our company relies on independently developed high-efficiency catalysts and optimized process schemes to provide full-process solutions ranging from process design, core equipment manufacturing to system integration and operation & maintenance services. The hydrogen purity is stably ≥99.999%, with high operating efficiency and low energy consumption, suitable for various hydrogen application scenarios such as industrial raw material substitution, hydrogen supply for fuel cells, and hydrogen blending into pipe networks.

Product Keywords：Hydrogen Production Unit from Methanol Cracking    Jiarui Gas
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Product description

Hydrogen Production Technology from Methanol Cracking

Methanol and water are mixed in an accurate proportion to prepare an aqueous methanol solution, which is preheated and then fed into the reactor. Under specific temperature, pressure and special catalyst, the mixed feedstock undergoes cracking reaction and carbon monoxide shift reaction to produce a mixed gas mainly composed of hydrogen and carbon dioxide.

The mixed gas is first subjected to pretreatment such as cooling and dehydration, and then enters the pressure swing adsorption separation system. Through the selective adsorption of different components by adsorbents, efficient separation of hydrogen from other impurities is realized, and high-purity hydrogen is finally obtained after purification.


■ Technical Features

·  Low energy consumption and low product cost.
·  Mature technology with safe and reliable operation.
·  PSA desorbed gas can be fully recycled for combustion without environmental pollution.
·  Easily available feedstock, convenient transportation and storage, and stable price.
·  Simple process, small footprint, low investment and short payback period.
·  High degree of automation with simple operation.


■ Reaction Principle

CH3OH→CO+2H2-Q
CO+H2O→CO2+H2+Q


■ Main Performance Indicators

·  Unit capacity：30~100000Nm³/h
·  Hydrogen purit：99%~99.999%
·  Operating pressur：0.8~2.5MPa


■ Process Flow Diagram

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