Gas Purification Equipment

Backed by catalytic and adsorption purification technologies from Chengdu Organic Chemicals Co., Ltd., Chinese Academy of Sciences (COCC), we offer a complete product portfolio covering Ar, N₂, H₂, O₂, and noble gases.

99.999999% Maximum Output Purity

-76 °C ~ -100 °C Ultimate Output Dew Point

1 ~ 500Nm³/h Single-Unit Flow Coverage (Custom Gas Stations Available)

9,000+ Cumulative Installed Units

Gas Purifiers

Dual-tower duty/standby design · Catalytic adsorption and regeneration process covering Ar, N₂, H₂, O₂, and noble gases—from laboratory point-of-use purification to centralized gas stations, with zero-consumable operation.

CZA Series Argon Purifier

Argon Purifier

Multiple models paired with OES and ICP spectrometers; over 3,000 units deployed, reducing high-purity argon costs.

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CZN Series Nitrogen Purifier

Nitrogen Purifier

Dual-tower multi-port valve design requiring no hydrogen or vacuum for regeneration, for deep purification of metallurgical shielding gas.

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CZH Series Hydrogen Purifier

Hydrogen Purifier

Accepts feed H₂ with up to 1,000 ppm O₂—low-cost industrial hydrogen serves as feed gas for electronics, semiconductors, and optical fiber.

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CZO Series Oxygen Purifier

Oxygen Purifier

Purifies cylinder industrial O₂ into high-purity oxygen; pairs with IR carbon-sulfur analyzers for electronics, optical fiber, and analytical instruments.

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CZA-4N-2 Ultra-High Purity Purifier (N₂ Removal)

Ultra-High Purity Purifier (N₂ Removal)

Dual pre-adsorption towers cascaded with a high-temperature alloy N₂-removal tower, achieving ≤ 0.2 ppm residual N₂ for semiconductor-grade requirements.

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FX Series Inert Gas Purifier

Inert Gas Purifier

Five-zone precision temperature control covering Ar / He / Ne / Kr / Xe across the full spectrum, delivering up to 6N ultra-high purity.

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CZA-4ZT Fully Automatic Purifier

Fully Automatic Purifier

One-touch start/stop, automatic regeneration and tower switching, modular detachable structure, dynamic touchscreen display, and zero-consumable operation.

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XZ Series Recirculating Regenerative Purifier

XZ / CZH Series

Recirculating Regenerative Purifier

Closed-chamber gas purification, recirculation, and regeneration up to 99.9998% purity, ideal for closed-loop noble gas recovery.

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High-Flow Gas Purifier

High-Flow Gas Purifier

Skid-mounted centralized supply feeding multiple units; turnkey delivery of main unit, piping/valves, and online analyzers for chip and new-energy lines.

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CJX-YDG Gas Purifier Column

Gas Purifier Column

Line-end composite purifier column for five gases; purity > 99.9999%, 10 MPa pressure rating, factory regeneration supported.

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Air Purifiers

On-site recirculating purification of laboratory air, specifically removing H₂S and VOCs without modifying exhaust ductwork.

CZAPF Series Laboratory Air Purifier

CZAPF-A15 / A30NEW

Laboratory Air Purifier

Drawer-type four-layer graded media for on-site recirculating air purification in labs, specifically removing H₂S and VOCs.

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Gas Generators

SPE pure-water electrolysis for H₂ generation with a four-stage purification train outputting 7N–8N ultra-pure hydrogen, fully replacing high-pressure lab H₂ cylinders.

HW Series Ultra-Pure Hydrogen Generator

Ultra-Pure Hydrogen Generator

SPE pure-water electrolysis with four-stage purification stably outputting 7N–8N ultra-pure hydrogen, fully replacing high-pressure lab H₂ cylinders.

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All-Series Quick Selection Matrix

Product Series	Representative Model	Applicable Gas	Feed Gas Purity & Allowable Impurities	Output Gas Purity	Key Residual Impurity Specs	Flow Range	Typical Applications
Fully Automatic Gas Purifier	`CZA/N/H/O-4ZT`	Ar / N₂ / H₂ / O₂	≥99.9%; O₂, H₂O ≤ 1000 ppm	≥ 99.9998%	O₂ ≤ 0.5 ppm, dew point ≤ -72 °C, CO+CO₂ ≤ 0.1 ppm	1 ~ 200 Nm³/h	Unattended laboratories, high-end analysis & continuous production lines
Argon Purifier	`CZA-B / C / D / Z`	Ar	≥99.9%; O₂, H₂O < 1000 ppm	≥ 99.9998%	O₂ ≤ 0.5 ppm, H₂O ≤ 2 ppm (dew point ≤ -72 °C)	1 ~ 200 Nm³/h	OES spectrometers, ICP-OES, metallurgy, advanced materials
Nitrogen Purifier	`CZN-B / C / Z`	N₂	≥99.9%; O₂, H₂O ≤ 1000 ppm	≥ 99.9998%	O₂ ≤ 0.5 ppm, H₂O ≤ 2 ppm (dew point ≤ -72 °C)	1 ~ 500 Nm³/h	Metallurgical heat-treatment shielding gas, electronics & semiconductor packaging
Hydrogen Purifier	`CZH-B / C / Z`	H₂	≥99.9%; O₂, H₂O < 1000 ppm	≥ 99.9998%	O₂ ≤ 0.5 ppm, H₂O ≤ 2 ppm (dew point ≤ -72 °C)	1 ~ 500 Nm³/h	Electronics, optical fiber, powder metallurgy, chemical catalytic hydrogenation
Oxygen Purifier	`CZO-B / C / Z`	O₂	≥ 99.9%; H₂ ≤ 1000 ppm, HC/COₓ ≤ 60 ppm	≥ 99.9998%	H₂ ≤ 0.1 ppm, HC/CO+CO₂ ≤ 0.1 ppm, dew point ≤ -72 °C	1 ~ 100 Nm³/h	High-frequency IR carbon-sulfur analyzers, optical fiber, semiconductor oxidation
Ultra-High Purity Purifier (N₂ Removal)	`CZA-4N-2`	Ar	≥ 99.9%; O₂ < 200 ppm, N₂ < 200 ppm	≥ 99.9999%	O₂ ≤ 0.2 ppm, N₂ ≤ 0.2 ppm, dew point ≤ -76 °C	1 ~ 200 Nm³/h	Lithium batteries, semiconductors & spectroscopy requiring deep N₂ removal
Inert Gas Purifier	`CZA-4N / FX-Z`	Ar / He / Ne / Kr / Xe	≥ 99.9%; O₂ < 200 ppm, N₂ < 200 ppm	≥ 99.9999% (6N)	O₂ ≤ 0.2 ppm, N₂ ≤ 0.2 ppm, dew point ≤ -76 °C	1 ~ 200 Nm³/h	Semiconductor specialty gases, optical fiber, ultra-purification of noble gases
Recirculating Regenerative Purifier	`XZ / CZH-C·Z`	Ar/N₂/He/H₂/O₂/Ne/Kr/Xe	Recovered tail gas ≥ 99.9%; O₂/H₂O ≤ 1000 ppm	≥ 99.9998%	O₂ ≤ 1 ppm, H₂O ≤ 2 ppm (dew point ≤ -72 °C)	1 ~ 500 Nm³/h	Closed chambers, gloveboxes, closed-loop noble gas recovery
High-Flow Gas Purifier	Custom Skid-Mounted Gas Station	Ar / H₂ / N₂	Liquid storage tank gas, pipeline gas, or cylinder manifolds	≥ 99.9998%	Customized by process; supports online dew point / O₂ analyzer interlocks	30 ~ 50+ m³/h	Wafer fabs, new-energy lines, centralized foundry gas supply stations
Gas Purifier Column	`CJX-YDG`	N₂ / H₂ / Ar / He / Air	>99.9%; O₂, H₂O < 500 ppm	> 99.9999% (6N)	O₂ ≤ 0.5 ppm, H₂O ≤ 1 ppm (dew point ≤ -76 °C)	5 ~ 50 L/min	Analytical instrument front-end, MFC line-end point-of-use polishing
Ultra-Pure Hydrogen Generator NEW	`HW-300/500/1000`	H₂ (Water Electrolysis)	Deionized water ≥ 2 MΩ·cm	7N ~ 8N	Deep removal of O₂, H₂O, N₂, CO, CO₂, hydrocarbons	300 ~ 1000 mL/min	Gas chromatography, semiconductors, optical fiber, hydrogen energy testing
Laboratory Air Purifier NEW	`CZAPF-A15 / A30`	Indoor Laboratory Air	Contains H₂S, alkanes/alkenes/aromatics, organic sulfur	CADR 180/550 m³/h	H₂S breakthrough capacity ≥ 50 mg/g, VOCs removal ≥ 95%	220 / 680 m³/h	Petroleum geology, core analysis, organic synthesis laboratories