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oxygen

Buy liquid oxygen or compressed oxygen (O 2 )

Praxair offers compressed oxygen and liquid oxygen (O 2 ) in various purity and concentrations. For more information on purchasing Praxair liquid oxygen and oxygen, see the table below.

product name concentration
Compressed oxygen (O 2 ) High purity> 99.5%
Ultra-high purity> 99.999%
Low purity> 90%
Frozen liquid oxygen (O 2 ) > 99.5%
Oxygen-argon mixture 0.5 ppm – 99.9%
Oxygen-helium mixture 0.5 ppm – 99.9%
Oxygen and nitrogen mixture 0.5 ppm – 99.9%

Praxair develops grades for each application. Please call Praxair, we will develop the most suitable supply plan for your specific operation.

Uses and applications of oxygen and liquid oxygen in various industries

Aerospace

Since the early 1960s, liquid oxygen fuel has been used in the preparation and launch of a large number of binary propellant aircraft. In addition, Praxair provides rocket fuel for oxygen combustion.

Automotive and transportation equipment

Oxygen can be used as a plasma cutting gas and a laser cutting auxiliary gas, and can also be added in small amounts as a protective gas.

Chemicals

Important chemicals such as ethylene oxide and titanium dioxide require the highest purity oxygen. In addition, oxygen can be used to increase the productivity of the oxidation process.

energy

Oxygen instead of air can improve the efficiency and capital utilization of many industries and enable carbon capture processes. Boilers and process heaters, as well as industrial fermentation tanks and gasification processes, also often use oxygen to increase production efficiency.

Glass manufacturing

Oxygen is an industrial gas that improves production efficiency and can be used to enhance glass furnace combustion and reduce nitrogen oxide emissions.

medical insurance

Praxair is a certified supplier of packaged oxygen and bulk oxygen. It has been providing various oxygen products to various regions in China for a long time to assist in the treatment and prevention of hypoxemia and hypoxia.

Metal production

As an industrial gas, oxygen is used to replace air or increase the oxygen content of air, thereby improving the combustion efficiency in the production of ferrous and non-ferrous metals.

Medicine and Biotechnology

Oxygen is a key element of cell growth and is commonly used in fermenters and bioreactors.

Pulp and paper

As an industrial gas, oxygen can help users meet strict environmental protection regulations when applied to delignification, oxidative extraction, and wastewater treatment.

Refining

Oxygen is widely used in oil refineries to increase the production capacity of fluid catalytic cracking (FCC) equipment and sulfur recovery units (SRU) and improve wastewater treatment.

Water and wastewater treatment

As an industrial gas, oxygen can be used as supplementary or even replacement gas in the aeration tank to maximize processing capacity, minimize volatile organic compound emissions, reduce odors and foam, and increase flexibility . Oxygen can also be used as a raw gas for ozone for water disinfection.

Welding and metal processing

Oxygen can be used as a plasma cutting gas and a laser cutting auxiliary gas, and can also be added in small amounts as a protective gas.

See how oxygen is used in other industries.

diving
electronic
food and drink
laboratory

Supply of liquid oxygen and oxygen (O 2 ): storage tanks, cylinders, containers and Dewars

Cylinders and liquid containers

For smaller and more specialized applications, Praxair uses high-pressure steel cylinders for oxygen supply and liquid oxygen from Dewar bottles of various sizes.

Bulk and "Buy Guaranteed" Gas Delivery

Praxair's bulk liquid and gas delivery systems provide oxygen of varying purity through storage tanks of various sizes to meet customer needs. Praxair China can provide bulk and "buyable" ultra-high purity liquid oxygen for the electronics industry.

pipeline

Praxair's pipeline supply system is flexible and economical. It can provide customers with extremely reliable oxygen supply for daily oxygen consumption.

On-site gas production

Praxair cryogenic air separation equipment can efficiently and safely produce thousands of tons of high-purity oxygen every day, providing customers with uninterrupted supply of oxygen. For applications with lower purity requirements, our company's non-low temperature equipment (Vacuum Transformer Membrane Adsorption VPSA) can produce a variety of oxygen with a purity of more than 90% according to various output requirements.

Not sure which option is right for you?

Praxair provides a wide range of gases for any application anywhere in the world in a safe, reliable and efficient manner with its large scale and coverage. Please call Praxair, we will develop the most suitable supply plan for your specific operation.