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Modular Air Separation Plants
Description
Technical Parameters
●Rapid Delivery & Installation: Factory prefabrication combined with on-site assembly significantly shortens the construction cycle.
●Flexible Capacity Scaling: Modules can be added or removed according to demand, supporting hot-swap and automatic connection of spare parts.
●Low Maintenance & High Reliability: Standardized modules, intelligent control, and remote operation and maintenance minimize the impact of single-point failures.
●Strong Adaptability: Skid-mounted or containerized design reduces requirements for on-site space and utility systems, making it suitable for remote or space-constrained sites.
Process parameters
| Technical Route | Purity/Pressure | Capacity Range | Typical Modules | Key Advantages |
|---|---|---|---|---|
| Cryogenic Separation | High purity for O₂/N₂/Ar (liquid/gaseous phase) | 4–200 tpd | Compression unit, purification unit, cold box, control system | High purity, full product range, rapid modular assembly |
| VPSA/PSA | Medium-high purity for O₂/N₂ | 0.1–10 tpd | Adsorption tower, vacuum pump/compressor, dehydration unit, control system | Scalable via module addition, low maintenance, fast start-stop |
| Membrane Separation | 95–99% purity for N₂ | 300–15,000 scfh¹ | Membrane module, filtration unit, control system | No moving parts, small footprint, plug-and-play functionality |
Modular air separation plants application
NEWTEK provides you with professional gas solutions
Steel/Chemical/Petrochemical Industry
Oxygen-enriched combustion, nitrogen blanketing, hydrocracking, etc.
Medical & Biological Industry
Medical oxygen supply, oxygen for fermentation/cell culture.
Electronics/Food Industry
Nitrogen blanketing, purging, modified atmosphere packaging (MAP).
Oil & Gas/Mining Industry
Wellbore gas lift, inerting, emergency gas supply for remote job sites.
Key Considerations for Selection ✅
●Target Product & Purity: Determine if the product is O₂/N₂/Ar, in liquid or gaseous form, and the required trace impurity level (ppm/ppb grade).
●Capacity & Flexibility: Calculate peak/average gas flow and confirm whether capacity expansion is needed.
●Site & Utility Requirements: Check power supply specifications, compressed air/cooling water availability, noise and ventilation limits, and regulatory compliance for hazardous areas.
●Cost Model: Evaluate CAPEX (Capital Expenditure)/OPEX (Operating Expenditure), energy consumption, maintenance and spare parts costs, and remote diagnostic support.
●Delivery & Operation: Clarify modularization level, on-site construction duration, training provisions, and Service Level Agreement (SLA) terms.
Everything You Need to Know
What are the core advantages of modular air separation units compared to traditional on-site construction?
The construction cycle is shortened by over 60% (80% of the processes are prefabricated in the factory, with only on-site assembly and commissioning required, resulting in a completion time of 3-8 months, compared to 12-24 months for traditional systems). Standardized factory production mitigates on-site construction quality risks.
Which modular technology approach should small and medium-sized enterprises (SMEs) choose for their need to flexibly adjust oxygen/nitrogen demand based on orders?
VPSA/PSA are preferred. They offer adaptable capacity (0.1-10 tpd), support "hot expansion" (adding modules without downtime), fast startup and shutdown (achieving stable supply within 30-60 minutes), and the ability to shut down some modules during off-season to save energy.
Can modular air separation systems operate normally in remote mining areas, offshore platforms, and other locations with limited space and inadequate utilities?
Yes, they can. They require a containerized/skid-mounted design (to save space), an independent power supply (such as a diesel generator) and a closed cooling water system, and some components must be treated for corrosion and vibration resistance.
The electronics industry requires high-purity nitrogen (99.999%). Which modular technology can meet this requirement?
Choose a cryogenic modular approach. Its nitrogen purity can reach over 99.999% and supports both liquid and gaseous output, meeting the electronics industry's stringent requirements for trace impurities (such as oxygen and water) (ppb level).
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