Other

Petrochemical industry: The oxygen reaction in the petroleum and chemical process uses oxygen-rich instead of air to carry out the oxidation reaction, which can improve the reaction speed and the quality of chemical products

Glass production: oxygen-enriched explosion of activated sludge, oxygenation in pools and ozone sterilization glass melting, cutting, increasing glass output and extending furnace life

Non-ferrous metal smelting: the smelting of copper, zinc, nickel, lead, etc. requires oxygen enrichment, and the PSA method is gradually replacing the cryogenic method