Natural gas to hydrogen production unit
Natural gas to hydrogen production unit
Natural gas to hydrogen production consists of two parts: natural gas steam reforming to produce reformed gas and pressure swing adsorption (PSA) purification of hydrogen (H2). After compression and desulfurization, natural gas is mixed with water vapor and, under the action of a nickel catalyst, the natural gas is converted into hydrogen (H2), carbon monoxide (CO), and carbon dioxide (CO2) into reformed gas at 750~850℃. The reformed gas can be converted from carbon monoxide (CO) to hydrogen (H2) to become shifted gas. Then, the reformed gas or shifted gas is subjected to the pressure swing adsorption (PSA) process to obtain high-purity hydrogen (H2).
Reaction Principle
The main processing steps for natural gas include atmospheric and vacuum distillation, catalytic cracking, catalytic reforming, and aromatics production. Simultaneously, it includes natural gas extraction, gathering, transportation, and purification.
Under certain pressures, high temperatures, and the action of a catalyst, alkanes and water vapor in natural gas undergo a chemical reaction.
CH4 + H2O → 3H2 + CO - Q
CO + H2O → H2 + CO2 + Q
Process Flow
Key Performance Indicators
Unit Scale: Generally 50~50000 Nm³/h, depending on user needs
Product Purity: 99%~99.999% (v/v)
Product Pressure: 1.3~3.0 MPa (G)
Temperature: Ambient temperature
Applicable Fields: Hydrogenation of automobiles, hydrogen peroxide, sorbitol, TDI, MDI, aniline and other fine chemical or pharmaceutical intermediates, hydrogenation processes in oil refineries, etc. After years of exploration and research, our company's designed natural gas-to-hydrogen plant has reached international advanced levels, with a small footprint, simple operation, and energy consumption more than 10% lower than similar units.
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