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Methane/Methanol Hydrogen Production

Methane (CH₄) and methanol (CH₃OH) are both important hydrogen sources, and they can be converted into hydrogen through different chemical reactions.

Methane Hydrogen Production

• Steam Methane Reforming (SMR): This is one of the most commonly used industrial methods for hydrogen production. Methane reacts with steam at high temperature and pressure, and • through the action of a nickel-based catalyst, a series of reactions occur to produce hydrogen, carbon monoxide, and carbon dioxide.

• Partial oxidation: Methane reacts with partial oxygen at high temperature and pressure to produce hydrogen and carbon monoxide.

• Dry reforming: Methane reacts with carbon dioxide to produce hydrogen and carbon monoxide.

Methanol Hydrogen Production

• Methanol steam reforming: Methanol reacts with steam at high temperature, and through the action of a copper-based catalyst, hydrogen and carbon monoxide are produced.

• Partial oxidation: Methanol reacts with partial oxygen at high temperature to produce hydrogen, carbon monoxide, and carbon dioxide.

• Direct decomposition: At high temperatures, methanol can decompose into hydrogen and carbon monoxide.

Comparison of the Methane and Methanol Hydrogen Production

Features	Methane	Methanol
Source	Natural gas	Deep processing products of petroleum and natural gas
Storage and transportation	Gaseous, requires high-pressure storage and transportation	Liquid, easy to store and transport
Reaction conditions	High temperature and high pressure	Relatively low temperature and low pressure
Reaction products	Hydrogen, carbon monoxide, carbon dioxide	Hydrogen, carbon monoxide, carbon dioxide
Advantages	Abundant resources, mature technology	Easy to store and transport, mild reaction conditions
Disadvantages	Higher carbon emissions, requiring carbon capture	Higher cost, limited raw material sources