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Green Hydrogen
Production Solutions

Green hydrogen refers to hydrogen produced using renewable energy sources, such as solar or wind power, through a process called electrolysis.

Green Hydrogen Production

Hydrogen production by electrolysis generally takes place in 3 steps;


Splitting water into its components hydrogen and oxygen in the electrolyzer,

Lye Collection

Collection of electrolyte alkali residues in the resulting hydrogen gas via gas-lye treater and feeding electrolyte back to the electrolyzer,


Separation of other impurity sources such as water vapor from hydrogen with a H2 purifier.

The high-purity hydrogen is then ready for direct use or storage for later use.

Typical Electrolysis Based Hydrogen Production Unit


Gas-Lye Treater


Alkaline Water Electrolyzer Based Hydrogen Production System

Turnkey Solutions

Typical Electrolysis Based Hydrogen Production Unit

Skid-mounted H2 Production System

Ideal for remote areas, temporary projects, and mobile applications. Offers flexibility and rapid deployment.

Containerized H2 Production System

For remote or off-grid locations. Compact and portable, can be easily installed, relocated, and adapted to different hydrogen production needs.

Integrated H2 Production System

For laboratory or research facilities with limited space and small-scale applications

Production Methods

ALK Electrolyzers

  • Alkaline Water Electrolysis Principle
  • 1 to 2000 Nm3/h Hydrogen Production Capacity

PEM Electrolyzers

  • Proton Exchange Membrane (PEM) Electrolysis Principle
  • 1 to 400 Nm3/h Hydrogen Production Capacity

Purification of Hydrogen

Hydrogen purification is an important step in the hydrogen production process, especially when the end-use requires high purity levels, such as in fuel cells for electric vehicles or in certain industrial processes. The purity of hydrogen affects its efficiency and performance, making purification technologies an essential aspect of the hydrogen supply chain.

Hydrogen Purification Technologies

Industrial hydrogen purification typically involves technologies like Pressure Swing Adsorption (PSA), Membrane Separation, and Cryogenic Distillation. PSA is widely used for its efficiency in separating hydrogen from other gases in a mixture, utilizing materials that adsorb impurities at high pressures. Membrane Separation employs semi-permeable membranes to selectively allow hydrogen to pass through, leaving impurities behind. Cryogenic Distillation, though less common, is used in scenarios requiring extremely high purity levels, involving the cooling of gas mixtures to very low temperatures to separate components based on their boiling points.

Industrial Hydrogen Production Methods

In the industrial landscape, hydrogen production primarily hinges on two methods: Steam Methane Reforming (SMR) and Electrolysis. SMR, the more traditional and prevalent method, involves reacting natural gas with steam to produce hydrogen, albeit with a carbon footprint. On the other hand, Electrolysis, an increasingly popular method, especially for green hydrogen production, uses electrical energy to split water into hydrogen and oxygen, offering a zero-emission pathway when powered by renewable sources.

H2 Production

Discover our range of hydrogen production solutions

Hydrogen Onsite Generators

Hydrogen Onsite Generators provide a reliable, environmentally friendly solution for on-demand hydrogen production and represent a major leap forward in sustainable energy technology. These advanced systems harness the power of electrolysis to split water into its constituent elements, hydrogen and oxygen, providing a pure, high-quality hydrogen gas. This process is powered by electricity, which can be sourced from renewable energy, making the entire operation green and carbon-neutral.

UESTCO’s Hydrogen Onsite Generators are designed for versatility and efficiency, catering to a wide range of industries including manufacturing, transportation, and energy sectors. These generators eliminate the need for hydrogen transportation and sometimes storage, significantly reducing costs and logistical challenges. With user-friendly interfaces, robust construction, and minimal maintenance requirements, our generators ensure continuous, reliable hydrogen supply, aligning with the global shift towards sustainable energy solutions.

Sample Applications

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Skid-mounted H2 Production System

Typical Electrolysis Based Hydrogen Production Unit

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Containerized H2 Production System

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Integrated H2 Production System