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GM1
High‑Performance Ozone Generators for Maximum Efficiency
The Primozone GM 1-4 Series 3.0 Ozone Generators set a new benchmark in ozone generation. Powered by Primozone’s patented anodized aluminium reactor technology, the GM‑3.0 delivers the world’s most reliable ozone production with the lowest energy consumption and the lowest life‑cycle cost in its class.
Designed for demanding industrial and municipal applications, the GM‑3.0 combines high ozone concentration (up to 20 wt%), exceptional durability, and a compact modular footprint—making it the ideal choice for facilities that require powerful, efficient, and continuous ozone output.
Whether you’re treating drinking water, wastewater, aquaculture systems, industrial process water, or food & beverage applications, the GM‑3.0 Series provides unmatched performance, safety, and operational simplicity.
The Primozone GM1–4 / GM‑3.0 Series represents the next generation of premium ozone generator technology, engineered for exceptional performance, reliability, and efficiency. Built on Primozone’s patented anodized aluminium reactor, this advanced system delivers high‑concentration ozone production with remarkably low energy consumption and the lowest life‑cycle cost in its class.
Designed for demanding industrial, municipal, and aquaculture applications, the GM1–4 / GM‑3.0 Series provides stable, high‑pressure ozone output—making it one of the most efficient and cost‑effective solutions for modern water and air treatment.
Primozone ozone generators produce ozone at concentrations significantly higher than most commercial systems. With output levels reaching 300 g O₃/m³ O₂ (20 wt%) at 3 bar(g) / 43.5 psi, the GM‑3.0 Series delivers:
Higher treatment efficiency
Lower oxygen consumption
Improved mass transfer
Reduced operational costs
This high concentration dramatically enhances ozone dissolution in water, improving performance across all treatment processes.
Independent testing at the Norwegian Institute of Technology recorded 98% ozone dissolution in under 3 minutes, proving the GM‑3.0 Series delivers:
Exceptional water treatment efficiency
Superior oxidation performance
High reliability in real‑world conditions
The high gas pressure also allows for flexible installation, enabling the generator to be positioned further from the reaction tank or used with alternative injection systems.
Industry‑leading ozone concentration
Lowest life‑cycle cost in its class
Proven reliability in harsh environments
Ideal for multi‑line distribution when paired with the Primozone ODM
Optimised cooling performance with the Primozone CSM
Designed for long‑term industrial operation
Its patented anodized aluminium reactor delivers extremely high ozone concentration with very low energy consumption, making it one of the most efficient ozone generators available.
Drinking water treatment, wastewater purification, aquaculture (RAS), industrial oxidation, food & beverage sanitation, and pharmaceutical water systems.
It is designed to produce more ozone per kW than traditional corona discharge systems, significantly reducing operational costs.
Yes. Its modular design and compatibility with Primozone’s CSM and ODM modules make integration simple and scalable.
The GM‑3.0 Series delivers up to 20 wt%, one of the highest concentrations available in commercial ozone generators.
Absolutely. It is EMC approved, quiet, and engineered for reliable 24/7 industrial performance.
Yes. It is water‑cooled for optimal stability and long equipment life, typically paired with the Primozone Cooling Skid Module (CSM).
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EMC Approved — Ensures safe, interference‑free operation in industrial environments
Highest ozone concentration: 20 wt% — More ozone per kW, lower oxygen use, higher efficiency
Easy to operate — Intuitive controls and seamless system integration
Safe, quiet and reliable — Built for 24/7 operation with minimal noise
Re‑thinking redundancy — Modular design ensures continuous uptime
Less energy, lower OPEX — Industry‑leading efficiency reduces long‑term operating costs
Modular architecture — Scale your ozone capacity as your facility grows
Compact design — Fits into tight plant rooms and containerised systems
Primozone’s ozone generation technology is built around its patented anodized aluminium reactor, an advanced evolution of the cold plasma (dielectric barrier discharge) method. This next‑generation design delivers exceptional ozone output, superior energy efficiency, and long operational life—making it one of the most effective ozone technologies available today.
At the core of every Primozone generator is a compact anodized aluminium reactor engineered for maximum gas conversion efficiency. Unlike conventional glass‑tube reactors, the Primozone design shortens the oxygen travel path, enabling:
Higher ozone production efficiency
Lower energy consumption
Naturally higher gas output pressures
These higher pressures are key to achieving industry‑leading ozone concentrations and superior ozone dissolution in water, especially in demanding industrial and municipal applications.
Primozone ozone generators feature fully integrated water‑cooled reactors and power units, ensuring optimal temperature control during operation. Stable cooling delivers:
Higher ozone output
Consistent performance
Longer component lifespan
Reliable operation in harsh environments
This makes Primozone systems ideal for continuous, high‑demand water treatment processes.
The Primozone GM‑Series is built on a modular architecture, allowing operators to scale ozone capacity precisely to their needs. Benefits include:
Flexible system sizing
Easy expansion as demand grows
Minimal footprint compared to traditional systems
Simple retrofitting into existing ozone rooms
Continuous operation—other modules stay online during service
This modularity ensures you never oversize your system and can expand capacity effortlessly as operations evolve.
Primozone reactors are engineered for minimal maintenance. Their robust aluminium construction and high internal gas pressure prevent contaminants from adhering to internal surfaces. The result:
Maximum uptime
Reduced service requirements
Long‑term operational reliability
Consistent ozone performance
This makes Primozone ideal for aquaculture, municipal water treatment, industrial oxidation, and any application requiring dependable, low‑maintenance ozone production.
Primozone ozone generators deliver the highest ozone concentrations on the market, producing up to 20 wt% ozone through an advanced cold‑plasma reactor design. This highly efficient method creates more free oxygen radicals, enabling superior ozone production while using significantly less oxygen and less energy than traditional systems.
Because Primozone technology maintains constant high concentration at all output levels, oxygen and energy consumption scale linearly with demand—dropping to as low as 10% during low‑load operation. This ensures exceptional efficiency and low operating costs year‑round.
Primozone systems are engineered not only to produce high‑concentration ozone, but also to deliver it to the dissolution point with no losses. The combination of high concentration and three‑times‑higher gas pressure results in:
Up to 95% more dissolved ozone in water
Far more efficient mass transfer
Reduced oxygen content in the gas mixture
Smaller gas volumes and lower booster pump requirements
This means better treatment performance, lower energy use, and reduced capital cost for downstream equipment.
Primozone technology provides:
7× higher ozone production capacity at high concentrations compared to conventional systems
Half the oxygen consumption of traditional generators
Smaller gas volumes, reducing ozone destruction energy
Consistent high concentration, regardless of output level
High concentration + high pressure = the most efficient ozone dissolution available, enabling users to meet treatment capacity with dramatically lower operating costs.
Primozone’smodularozonegenerationtechnologyeliminatestheneedforoversized,single‑unitgeneratorsandexpensivefull‑capacitybackups.Insteadofduplicatingentiresystems,Primozoneallowsoperatorstoinstallmultiplesmallermodulesthatsharethetotalozoneload.Thisapproachdramaticallyreducesstandbyrequirements—typicallytojust25%oftotalcapacity,delivering≈40%CAPEXsavingscomparedtotraditionalsystems.
Traditional ozone systems rely on large generators sized for peak demand, plus full‑size duplicates for redundancy. Primozone replaces this outdated model with a distributed modular design, where peak capacity is achieved by combining several compact generators. This means:
No oversizing
No full‑capacity backup units
Lower capital investment
Smaller installation footprint
Because Primozone modules are compact, they can be retrofitted into existing ozone rooms where traditional generators once stood. As treatment needs grow, operators simply add more modules, allowing the system to scale effortlessly without major redesigns or downtime.
Primozone ozone systems deliver:
High ozone concentration through compact cold‑plasma reactors
Superior dissolution thanks to naturally high gas pressures
Efficient cooling for maximum ozone output
Modular scalability for any application size
Low maintenance with durable aluminium reactors
Long lifespan and reliable 24/7 operation
High‑performance ozone systems engineered for maximum output, long service life, and minimal maintenance.
The Primozone GM Series delivers a new standard in premium ozone generation, combining intelligent engineering with world‑class performance. No matter the size or capacity you require, every Primozone generator is built on the same patented, redefining ozone technology—ensuring maximum efficiency, reliability, and ozone output across the entire range.
The GM Series includes ten standard ozone generator sizes, all designed with a modular architecture that allows you to scale effortlessly from small to large ozone demands. Whether you need a compact unit for a pilot system or a multi‑generator setup for industrial treatment, Primozone provides a perfectly matched solution.
GM1–4 Series: 4 g/h to 240 g/h (0.3–0.5 lbs/day)
Full GM Range: 4 g/h to 2.9 kg/h (0.3–153 lbs/day)
Combined Systems: Up to 60 kg/h (3,200 lbs/day) using multiple generators
This modular flexibility means your system can grow with your future needs—simply add more generators to increase capacity without redesigning your entire installation.
Primozone ozone generators deliver precise ozone output based on real‑time system demand. When ozone production adjusts according to redox (ORP) or flow rate, the system automatically reduces oxygen and energy consumption. This intelligent control makes the entire solution highly energy‑efficient, lowering operational costs without compromising performance.
Each Primozone generator includes a built‑in control system that provides:
Real‑time monitoring of ozone levels, gas pressure, and gas flow
Automated safety functions
Event logging for disturbances such as oxygen supply loss
A user‑friendly interface for simple operation
This ensures safe, stable, and reliable ozone production at all times.
The Primozone GM Series is designed as a complete plug‑and‑play solution, making installation fast and straightforward. Most systems are fully operational within 24 hours of delivery.
Thanks to its compact design, the Primozone generator requires up to 80% less space than conventional ozone systems—an enormous advantage for facilities with limited plant room capacity.
Idealfor:
Boreholewatertreatment
Smallcommunitywaterworks
Decentraliseddrinkingwatersystems
GM1–4unitsprovideenoughozoneforoxidation,disinfection,andtaste/odourcontrolincompactmunicipalsetups.
Perfect for industries with moderate water flow rates:
Electronics manufacturing
Food processing rinse water
Cooling water polishing
Chemical and pharmaceutical process water
These generators deliver high‑concentration ozone for efficient oxidation and disinfection.
GM1–4 units are widely used in:
Small to mid‑size RAS farms
Hatcheries
Quarantine systems
Broodstock tanks
They improve water clarity, reduce pathogens, and stabilise biofilters without oversizing the ozone system.
Used in:
Research facilities
Universities
Pilot plants testing new treatment processes
Their compact footprint and precise control make them ideal for experimental setups.
Suitable for:
CIP (clean‑in‑place)
Surface sanitation
Ingredient water treatment
Small bottling or packaging lines
Ozone provides chemical‑free disinfection with no residue.
Used for:
Biofilm control
High‑purity water loops
Disinfection of storage tanks and distribution lines
GM1–4 units offer stable, reliable ozone output for regulated environments.
Ideal for:
Small cold rooms
Food storage areas
Ethylene control in produce storage
Ozone helps extend shelf life and reduce mould growth.
When paired with the Primozone ODM, a GM1–4 can feed several small treatment lines with individual dosing control.
The GM6–48 is exceptionally effective for industrial odour control, especially where emissions are strong, continuous, or biologically active.
Neutralises:
VOCs
Hydrogen sulphide (H₂S)
Ammonia
Organic decomposition odours
Controls:
Digestate odours
Biogas emissions
Ammonia and sulphur compounds
Eliminates:
Protein‑based odours
Fatty acid vapours
VOCs from cooking and drying
Ideal for:
Meat processing
Seafood handling
Ready‑meal production
High‑odour cooking lines
Ozone rapidly oxidises:
Strong organic odours
VOCs
Sulphur‑based emissions
The GM6–48 is powerful enough to support full‑scale NOx abatement systems, making it ideal for industries with high‑temperature or nitric‑acid‑based processes.
Ozone oxidises NO and NO₂ into higher oxides (NO₃, N₂O₅), which are easily removed in a wet scrubber.
Perfect for:
Chemical manufacturing
Metal finishing & pickling lines
Incineration & thermal oxidisers
Refineries & petrochemical plants
Glass & ceramics furnaces
Pharmaceutical production
Benefits include:
High removal efficiency (up to 95%+)
No hazardous chemicals required
Lower OPEX than SCR/SNCR
Works at low temperatures
Ideal for NO‑rich gas streams
The Primozone GM1–4 ozone generators are used wherever a facility needs compact, modular, energy‑efficient ozone production for small to medium‑scale applications. They’re especially popular in:
Small municipal plants
Aquaculture
Industrial process water
Food & beverage
Pharma/biotech
Pilot plants and R&D
Heavy‑duty odour abatement
Rendering & pet food production
Anaerobic digestion
Waste site emissions
Pollution control & NOx reduction
Please send us your enquiries via the following email form.