Oxygen Generator For Wastewater Treatment

Why does sewage treatment need a PSA oxygen generator?
 

Efficient oxygen supply: Provide high-purity oxygen (≥90%) for aerobic biological treatment processes (such as activated sludge method), increase dissolved oxygen concentration, accelerate microbial decomposition of organic matter, shorten treatment cycle, and is suitable for high-load/complex water quality scenarios.

Energy saving and consumption reduction: Physical adsorption gas production, energy consumption is only 1/3~1/2 of electrolysis, flexible start and stop, and gas supply on demand; no liquid oxygen transportation and storage is required, reducing labor and safety costs, and adapting to small and medium-sized projects.
Flexible and stable: Stable oxygen supply within a few minutes, purity/flow adjustable, to cope with water quality fluctuations; modular design occupies a small area, easy to install and renovate old water plants.
Environmental protection and safety: no chemical pollution, avoid residual reagents; non-high temperature and high pressure process, reduce flammable and explosive risks.
Application scenarios: municipal sewage standard improvement, industrial high-concentration wastewater treatment, emergency standby oxygen supply.

 

 

1. How much cost can this oxygen generator save compared to traditional aeration methods?
Using 90-95% high-purity oxygen instead of air aeration can reduce aeration energy consumption by 30%-50%, shorten the treatment cycle, reduce the equipment footprint, and reduce the overall operating cost by 25%-40%.
 

2. What scale of sewage is the equipment suitable for?
It supports modular customization, and the oxygen output covers 5-500 Nm³/h, which can adapt to different flow requirements from small township sewage treatment stations to large industrial wastewater treatment plants.
 

3. What is the maintenance frequency and cost?
PSA-type equipment only needs to replace molecular sieves (1-2 years) and filter elements regularly, and membrane separation-type equipment has no wearing parts, and only basic inspections are required on a daily basis. The intelligent control system can warn of faults, and the average annual maintenance cost is less than 5% of the equipment purchase price.

4. Can it meet the sudden high-load sewage treatment needs?
The equipment has a fast response speed, and the PSA-type startup time is ≤10 minutes. It can respond to water quality fluctuations by intelligently adjusting the oxygen output. The modular design supports rapid expansion and ensures stable operation under high load.
 

5. Will the operation of the equipment cause secondary pollution?
The oxygen production process only separates oxygen from the air, without chemical additions or harmful substances. The equipment operates with low noise (membrane separation type <60 decibels), which meets environmental protection standards.

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