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Alkaline Electrolysers

Alkaline Electrolysers - Electrolyzer / H₂ Generation Package

ASPE Inc.

  • Alkaline water electrolysis using KOH aqueous solution
  • Hydrogen purity of at least 99.999%
  • O2 below 1 ppm and N2 below 100 ppb
  • Moisture below 1 ppm
  • CO and CO2 each below 50 ppb

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Description Vendor

The Electrolyzer / H2 Generation Package is an ASPE-manufactured alkaline water-electrolysis system that produces hydrogen using a KOH aqueous solution. The package is specified for hydrogen purity of at least 99.999%, with oxygen below 1 ppm, nitrogen below 100 ppb, moisture below 1 ppm, carbon monoxide below 50 ppb and carbon dioxide below 50 ppb. The official product information describes the package as a complete hydrogen-generation system and notes that, depending on the intended use, produced hydrogen can be compressed and stored in high-pressure gas cylinders. ASPE also states that the package can be configured with an oxygen-production facility, and it presents reference installations using 5.6 Nm³/h and 11.2 Nm³/h package arrangements. 

Use Cases

  • On-site high-purity hydrogen generation
  • Industrial hydrogen generation by alkaline water electrolysis
  • Hydrogen production for downstream compression and cylinder storage
  • Hydrogen-generation packages requiring optional integrated oxygen production

Capabilities

  • Produces hydrogen by electrolysis of a KOH aqueous solution
  • Delivers hydrogen at the stated impurity and total-purity specification
  • Supports downstream compression and high-pressure cylinder storage of produced hydrogen
  • Can be configured with an oxygen-production facility
  • Provides a packaged hydrogen-generation system suitable for turnkey plant integration
ASPE Inc. ASPE Inc. is a South Korean gas engineering company, established in 2000 and headquartered in Chungju with an office in Anyang, specializing in air separation, gas purification, and gas engineering technologies including hydrogen plant processes. The company designs and manufactures alkaline water electrolysis hydrogen generation packages using its own technology, along with H2/CO2 pressure swing adsorption (PSA) purification systems, hydrogen recovery systems for petroleum and chemical process off-gases, and nitrogen/oxygen PSA/VPSA/membrane air separation packages. ASPE also develops green hydrogen production technologies based on biogas and ammonia, and is involved in government-backed CCUS research using petroleum coke-based hydrogen purification. The company provides full turnkey services covering design, manufacturing, installation, and commissioning.
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