Question 1

Q1. What products can a small cryogenic oxygen and argon plant produce?

Accepted Answer

A: One integrated plant can simultaneously produce high-purity oxygen and gaseous argon. The products can be pressurized for pipeline supply or high-pressure cylinder filling.

Question 2

Q2. What product purity can a small oxygen and argon plant achieve?

Accepted Answer

A: Oxygen purity can typically reach over 99.6%, while gaseous argon purity can reach 99.99%. The final purity can be designed according to the customer's application and technical requirements.

Question 3

Q3. Which industries are suitable for a small cryogenic oxygen and argon plant?

Accepted Answer

A: It is suitable for industrial gas production and distribution, welding and cutting, metal fabrication, stainless steel manufacturing, machinery manufacturing, heat treatment, glass manufacturing and other industries requiring oxygen and argon.

Question 4

Q4. What are the advantages of an oxygen and argon plant compared with a small oxygen and nitrogen plant?

Accepted Answer

A: Gaseous argon has a higher product value and greater profit potential. Compared with a conventional small oxygen and nitrogen plant, combined oxygen and argon production can increase overall project profitability and shorten the payback period.

Question 5

Q5. How are the oxygen and gaseous argon supplied or filled into cylinders?

Accepted Answer

A: The oxygen and gaseous argon can be pressurized and supplied directly to production lines. Oxygen compressors, argon compressors and cylinder-filling systems can also be configured for high-pressure cylinder filling and gas distribution.

Question 6

Q6. What is the smallest argon production plant available, and how much investment is required?

Accepted Answer

A: ASU Tech's smallest completed argon plant is the KDOAR-180-3, producing 180 Nm3/h of oxygen and 3 Nm3/h of gaseous argon at 99.99% purity. Estimated investment is around USD 500,000, depending on the final configuration and project scope.

Question 7

Q7. What products can a large cryogenic oxygen, nitrogen and argon plant produce?

Accepted Answer

A: One integrated plant can simultaneously produce oxygen, nitrogen and liquid argon. It can also be configured to produce gaseous oxygen, gaseous nitrogen, liquid oxygen, liquid nitrogen and liquid argon according to project requirements.

Question 8

Q8. What purity can the oxygen, nitrogen and liquid argon achieve?

Accepted Answer

A: Oxygen purity can reach over 99.6%, nitrogen purity ranges from 99.999% to 99.99999%, and liquid argon purity ranges from 99.999% to 99.9999%. Final product purity can be customized for specific applications.

Question 9

Q9. Why do large oxygen, nitrogen and argon plants usually produce liquid argon?

Accepted Answer

A: Liquid argon is more convenient for centralized storage, cryogenic tanker transportation and commercial distribution. It is suitable for industrial gas companies and large gas markets while increasing overall plant utilization and project profitability.

Question 10

Q10. How is liquid argon stored, transported and used?

Accepted Answer

A: Liquid argon is transferred through cryogenic pipelines to vacuum-insulated storage tanks. It can be transported and distributed using cryogenic tankers, tank containers or liquid cylinders, or vaporized for pipeline supply and high-pressure cylinder filling.

Question 11

Q11. Can a large oxygen, nitrogen and argon plant be customized for continuous operation?

Accepted Answer

A: Yes. Oxygen, nitrogen and liquid argon capacity, purity, pressure, gas-to-liquid ratio and storage systems can be customized. The plant supports stable 24/7 operation, automatic process adjustment, fault alarms and safety interlocks.

Question 12

Q12. Are EPC turnkey, installation and commissioning services available?

Accepted Answer

A: Yes. ASU Tech provides process design, equipment manufacturing, system integration, installation, on-site commissioning, performance testing and operator training, together with remote monitoring and technical maintenance support.

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