Oxygen Purity and Pressure: How PSA Generators Are Reshaping Industrial Gas Supply
Published on 08/03/2026 at 02:20 | Redaktion boerse-global.de
The race to supply clean oxygen to factories, hospitals and chemical plants has quietly become a story about sieves. Not the kitchen kind — but engineered molecular materials that separate nitrogen from air under pressure, delivering oxygen at 93% purity with a tolerance of plus or minus three percentage points.
Fresh market forecasts released in early August zero in on safety standards across industrial settings, with modular pressure swing adsorption (PSA) generators taking center stage. The analysis suggests that technological specifications now matter as much as output volume, as operators demand equipment that balances efficiency with fail-safe operation.
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The Sieve at the Heart of the System
Ningbo Inno Pharmchem has released technical details on its 13X-HP molecular sieve, a component built specifically for oxygen generation through PSA. The mechanism works by selectively adsorbing nitrogen, leaving concentrated oxygen behind. Beyond purity, the company highlights the material's mechanical resilience — high compressive strength, low attrition rates and extended service life make it suitable for demanding environments. Applications span both medical oxygen supply and a broad range of industrial processes.
A Market Divided by Technology
The competitive landscape splits along technological lines. PSA currently holds the dominant share, while vacuum pressure swing adsorption (VPSA) is the go-to for large-scale industrial projects. Membrane systems occupy a narrower niche, used where lower oxygen purity is acceptable.
That segmentation lets buyers tailor installations to their exact requirements. Modular units are gaining traction because they scale flexibly and simplify compliance with stringent safety regulations.
Who Builds the Big Machines
A ranking of the five leading industrial oxygen generator manufacturers illustrates how deeply the sector has specialized:
- Hangzhou Hangyang — tops the list, known for large-format VPSA installations.
- Jiangsu SG — focuses on steel industry applications.
- Guangdong Shaogang — also serves steel production needs.
- Henan Xinlianxin — supplies the chemical sector.
- Zhejiang Boao — covers small and mid-sized systems, offering both PSA and VPSA configurations.
Industry observers note that choosing a supplier hinges on two variables: the sector in question and the required purity level. Chemical and steel producers lean toward high-volume solutions, while other buyers need modular generators built to meet specific safety criteria.
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