VPSA-O2 Plant
Technology BriefProducts-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant

Production Capacity

1,000Nm3/h-70,000Nm3/h, equivalent to liquid oxygen of about 34 TPD – 2,403 TPD.


Technology Brief

Vacuum Pressure Swing Adsorption (VPSA) is an advanced gas separation technology that utilizes the different selectivity of adsorbents for gas molecules to separate gas components. Based on the principle of VPSA technology, the VPSA-O2 units adopt the special adsorbent (model: PU-8) to enrich the oxygen in the air and supply it to the user.


Products-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant
Typical ApplicationsProducts-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant
> Steel: Blast furnace oxygen-rich coal injection, electric furnace steelmaking

> Non-ferrous metallurgy: combustion-supporting for non-ferrous metals metallurgy including copper, lead, nickel, zinc, tin and gold.

> Chemical: gasification furnace oxygen-rich gas making, carbon black production, sulphur trioxide production etc.

> Kiln energy-saving: combustion supporting for glass kilns, cement kilns and oxygen-rich combustion supporting for waste incinerators

> Papermaking: pulp bleaching process

> Sewage treatment: OEAA technology, oxygen source for ozonizer


Technical ParametersProducts-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant

VPSA-O2 System Parameters (Oxygen Purity: 90%)

Model

Oxygen yield
Nm3/h

Load adjustment range
%

Water Consumption
t/h

Power Consumption
KWh/m3

Plot area
m2

ZO-1000

1000 Nm3/h
(~34 TPD)

50%~100%

30

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468

ZO-3000

3000 Nm3/h
(~103 TPD)

50%~100%

70

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572

ZO-5000

5000 Nm3/h
(~171 TPD)

50%~100%

121

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648

ZO-8000

8000 Nm3/h
(~274 TPD)

25%~100%

205

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1350

ZO-10000

10000 Nm3/h
(~342 TPD)

25%~100%

242

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1350

ZO-12000

12000 Nm3/h
(~412 TPD)

25%~100%

258

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1508

ZO-15000

15000 Nm3/h
(~514 TPD)

17%~100%

363

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1890

ZO-18000

18000 Nm3/h
(~617 TPD)

17%~100%

387

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2088

ZO-20000

20000 Nm3/h
(~686 TPD)

13%~100%

482

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2800

Note: The above data is based on the following design conditions: atmospheric pressure: 101.325 KPa; ambient temperature: 21 °C; relative humidity: 80%. The power consumption is converted into unit power consumption for 100% pure oxygen generation.

Technical AdvantagesProducts-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant

Based on the high-efficient lithium-based VPSA-O2 adsorbent PU-8, combining with the unique airflow distribution technology, advanced process design and reliable supplementary devices, PKU Pioneer has successfully ensured energy-efficient and large-scale VPSA-O2 plants to provide O2 product at a lower cost.


PKU Pioneer has built up over 300 sets of VPSA-O2 plants and taken the lion share in the field of VPSA-O2 in China. The VPSA-O2 technology won the first prize for Science and Technology Progress by the Ministry of Education.


1. Experienced engineering
PKU Pioneer has built the most VPSA-O2 plants in China, including the world’s largest VPSA-O2 plant.


2. Excellent energy consumption
Energy consumption of PKU Pioneer’s VPSA-O2 plant is 0.29~0.32kWh/m3 O2, which is among the lowest around the world.


3. Internationally-leading process design
PKU Pioneer has built up the first set of radial bed in China. Independently-developed five-bed, air intake and other original process designs have proved obvious advantages.


4. The independently-developed lithium-based adsorbent
PKU Pioneer’s independently-developed and produced lithium-based VPSA-O2 adsorbent PU-8 is featured by high selectivity and high working capacity of nitrogen, which is among the best around the world.


5. Mature and reliable system running
The long-term engineering practice has proved that PKU Pioneer’s VPSA-O2 plants are stable and the supplementary devices are mature and reliable, thus ensuring the continuous production for users.


PKU Pioneer is committed to mutual development with the customers, by providing economical O2 utilization program, optimization of existing plants or on-site gas supply.

Technical PrincipleProducts-VPSA-O2 Plant-PKU Pioneer-vacuum pressure swing adsorption-oxygen plant-oxygen unit-oxygen gas plant

The VPSA-O2 after desorption is blown by a blower and enters the adsorption vessel of the VPSA-O2 system after being filtered and removed mechanical impurities. The adsorber is a double-vessel system, and its product is oxygen. Nitrogen, carbon dioxide and water vapor in the air are adsorbed, and a vacuum pump will be applied after saturated adsorption to ensure the adsorbents in the adsorption vessel are completely desorbed for regeneration. The double-vessel VPSA-O2 system ensures continuous oxygen generation through cyclic switch of the program control valve under the control of PLC (data control system).

Typical Cases
62500/80 Oxygen Plant for Blast Furnace Oxygen Enrichment
Hunan
12500/80 Oxygen Unit for Recycled Copper Oxygen-Enriched Smelting
Yunnan
4100/93 Oxygen System for Copper, Lead and Zinc Smelting at a High Altitude
Golmud
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