Nitrogen Generator for Chemical Processing & Tank Blanketing
On-site PSA nitrogen systems for chemical plants, solvent storage, reactor inerting, tank blanketing, process purging, resin and polymer production, and specialty chemical handling. Gastek sizes each system around your oxygen target, flow, pressure, dew point, and site controls.
Sizing Snapshot
Chemical PSA N2
Typical purity
Selected from oxygen limit and process sensitivity
95-99.999%
Common uses
Blanketing, inerting, purging, transfer
Tanks, reactors, solvents
Sizing basis
Tank breathing, purge volume, simultaneous users
Peak flow + pressure
Solvent tanks
Reactors
Polymer lines
Selected process industry clients
Trusted across chemical, polymer and process manufacturing
Supplier experience across chemicals, specialty materials, polymers and petrochemical-adjacent applications.
Chemicals
Specialty chemicals
Polymers and fibers
Petrochemicals
Chemical plants need nitrogen sized around real process behavior.
Chemical nitrogen demand is rarely a single steady number. Tank breathing, batch purging, reactor cycling, transfer operations, solvent handling and maintenance procedures all affect flow, pressure, receiver storage and control strategy. The system has to be specified around these operating cases.
Tank Blanketing
Controlled vapor space
Reactor Inerting
Lower oxygen exposure
Solvent Protection
Storage and transfer
Process Purging
Startup and shutdown
Polymer Support
Resins, fibers, additives
Supply Continuity
Less delivery dependence
Chemical nitrogen applications that need engineered supply
Tank farms, process vessels, solvent systems and polymer operations need different nitrogen flow profiles. The best system is selected from the duty, not from a generic industry label.
Solvents, intermediates, finished products
Storage tank blanketing
Maintain a controlled nitrogen headspace over tanks to reduce oxygen and moisture exposure during storage, filling, emptying, and thermal breathing.
- Solvent tank blanketing
- Intermediate storage
- Positive pressure control
Sizing cue
Tank volume, breathing losses, transfer rate, venting, and blanketing pressure define nitrogen demand.
Batch and continuous process vessels
Reactor inerting
Supply nitrogen for reactor purging, charging, holding, and process steps where oxygen-sensitive chemistry or flammable vapor control is important.
- Batch reactor purge
- Headspace inerting
- Charging and transfer support
Sizing cue
Confirm purge volume, oxygen target, batch cycle, vent path, and maximum simultaneous users.
Flammable and oxygen-sensitive liquids
Solvent storage and transfer
Use nitrogen to support safer storage and transfer of solvents, monomers, reagents, and liquid intermediates without unnecessary air ingress.
- Pressure transfer
- Drum and IBC filling
- Line and vessel purging
Sizing cue
Define pressure limit, transfer flow, receiving vessel behavior, and material compatibility.
Polymers, fibers, additives
Resin and polymer production
Support inert atmospheres for resin, polymer, fiber, additive, and specialty material operations where oxygen or moisture affects quality.
- Resin kettles
- Polymer handling
- Additive and masterbatch processes
Sizing cue
Purity and dew point should be selected from product sensitivity, not only plant category.
Dry bulk and packaged materials
Powder, pellet and product handling
Provide nitrogen for selected powder transfer, silo blanketing, packaging, and product handling operations where dry inert gas is required.
- Silo blanketing
- Pellet transfer
- Package headspace protection
Sizing cue
Dust, static, containment, and safety controls must be reviewed with the plant engineering team.
Process safety and commissioning
Startup, shutdown and maintenance purging
Purge process equipment, piping, and vessels before startup, during shutdown, or before maintenance activities where oxygen removal is required.
- Equipment purge
- Pipeline inerting
- Commissioning support
Sizing cue
Purge calculations should use vessel volume, target oxygen level, purge method, and acceptable purge time.
Match nitrogen quality to the tank, reactor and process duty.
Chemical plants often overpay when every user is specified at the highest purity. Tank blanketing, solvent transfer, reactor inerting and oxygen-sensitive specialty chemicals should be separated so purity, flow, receiver storage and controls are sized correctly.
Practical sizing rule
Start with the highest peak demand.
Purging a vessel, filling a tank, or feeding multiple users at once can exceed normal blanketing demand. The receiver and pressure control package must handle those peaks.
Safety boundary
Nitrogen supports inerting and oxygen reduction. Final process safety design, oxygen limits, venting, hazardous-area classification and operating procedures must be set by the plant's engineering and safety teams.
Selector table
Typical Nitrogen Purity by Chemical Use
Final specification should be confirmed against the material, oxygen target, plant safety basis and operating pressure.
| Application | Typical Purity | Specification Focus |
|---|---|---|
| Bulk tank blanketing | 95-99.5% | Positive pressure, oxygen reduction, tank breathing and transfer behavior |
| Solvent storage and transfer | 95-99.9% | Flammable vapor management support, moisture control and air ingress reduction |
| Reactor purging and inerting | 99-99.99% | Oxygen target, purge volume, reaction sensitivity and operating cycle |
| Resins, polymers and specialty chemicals | 99-99.999% | Oxidation-sensitive materials, monomers, additives and product stability |
| Highly oxygen-sensitive processes | Application-specific | May require deoxo, point-of-use controls, tighter dew point or additional purification |
What needs to be specified for a chemical nitrogen system
Detailed product specifications live on the main PSA nitrogen generator page. This section focuses on the process inputs that matter for chemical plants, tank farms, reactors, solvents and polymers.
Configuration path
Specify the process before selecting the generator.
Map every nitrogen user
Separate tanks, reactors, dryers, transfer points, packaging lines, purge points and utility header demand.
Define oxygen and pressure limits
Confirm oxygen target, blanketing pressure, venting philosophy, process constraints and control limits.
Calculate peak flow
Use tank breathing losses, transfer rates, purge volumes, batch timing and simultaneous operation.
Select purity and dew point
Match nitrogen quality to process sensitivity, material behavior, moisture risk and safety requirements.
Integrate controls and storage
Specify receiver volume, pressure regulation, oxygen analyzer, alarms and distribution piping.
Air preparation
PSA separation
Process supply
Engineering principle
A chemical PSA nitrogen package is not only a generator. It is air treatment, PSA vessels, nitrogen storage, pressure regulation, oxygen monitoring, controls and distribution to the actual tank, reactor or process user.
Avoid one-size-fits-all specs
Tank blanketing is not sized like reactor purging.
Blanketing often needs stable low-flow pressure control, while purging can need short high-flow demand. Treating them as the same duty leads to poor sizing.
View main nitrogen generator specsTank breathing and transfer
Blanketing demand depends on filling, emptying, temperature change, vapor space and venting. Average use alone is not enough.
Oxygen limit and safety basis
The nitrogen system should support the plant's oxygen target. Final inerting basis must be defined by process safety and engineering teams.
Purity and operating cost
Higher purity increases compressed air demand. Many tank blanketing duties do not need the same purity as sensitive reactor inerting.
Pressure control
Stable blanketing pressure, regulators, receivers and relief/vent coordination matter as much as generator nameplate capacity.
Dew point and air quality
Dry nitrogen depends on compressor, dryer, filtration and condensate control. Moisture-sensitive chemicals may need tighter air treatment.
Hazardous-area interface
Electrical scope, instruments, enclosures, installation location and site standards should be reviewed before final system design.
Quote inputs
What Gastek typically confirms before quoting
Output
The result should be process-ready supply.
Common Questions Before Buying a Chemical Nitrogen Generator
Is PSA nitrogen suitable for chemical tank blanketing?
Yes. PSA nitrogen is widely suitable for chemical tank blanketing when the system is sized for tank breathing, filling and emptying rates, blanketing pressure, purity or oxygen target, and the plant's safety basis.
What purity is required for tank blanketing?
Many storage tank blanketing duties use 95% to 99.5% nitrogen, while oxygen-sensitive solvents, intermediates, resins or reactors may need higher purity. The correct value depends on the oxygen limit, material behavior and site engineering standard.
Can one nitrogen generator feed multiple tanks and reactors?
Yes, a centralized PSA nitrogen generator can feed multiple tanks, reactors and purge points when receiver storage, pressure regulation, distribution piping and peak simultaneous demand are designed correctly.
Is chemical processing different from petrochemical nitrogen use?
There is overlap. Chemical processing covers specialty chemicals, solvents, resins, polymers and process plants, while petrochemical plants are usually larger hydrocarbon-based facilities with heavier process and export requirements.
Does nitrogen blanketing guarantee explosion protection?
No single nitrogen generator guarantees process safety by itself. It supports inerting and oxygen control, but the final safety design depends on process hazards, controls, venting, instrumentation, operating procedures and plant engineering review.
Specify Nitrogen Around Your Chemical Process, Not a Generic Flow Number
Share your tanks, reactors, purge points, oxygen limit, flow, pressure, dew point, operating cases and site requirements. Gastek will recommend the PSA nitrogen generator configuration that fits your chemical plant.