air separation unit process
This asu air products purifies air through molecular sieves and uses a liquid process of a booster expander and an air cycle booster for fractionation. The raw air is filtered, compressed, and cooled before entering the precooler, where it is then passed through a molecular sieve adsorber to remove impurities. The purified air enters the main heat exchanger and is cooled before entering the lower tower, where liquid air and pure liquid nitrogen are obtained through preliminary distillation. Liquid nitrogen and liquid oxygen are output as products after being supercooled, and pure nitrogen is discharged after being reheated. The unit also separates argon through a distillation process to obtain pure liquid argon. The entire system is efficient and stable, ensuring a smooth air separation process.
ASU Air Products has three main application areas:
Chemical Industry：
Provides high-purity oxygen and nitrogen for chemical reactions, oxidation reactions and inert atmosphere protection to support efficient chemical production processes.
Metallurgy and Metal Processing：
Oxygen is used for steel smelting and metal cutting, and nitrogen is used for metal protection to ensure efficient and low-cost production processes.
Medical Industry：
Provides liquid oxygen and gaseous oxygen for hospitals and medical institutions to provide necessary oxygen therapy for critically ill patients.
The designed atmospheric pressure is 100kPa(A)
The ambient temperature is set to 32℃
The relative humidity is 80%
The altitude is 100 meters
CO₂ ≤400 ppm
CH4 ≤5 ppm
C₂H₂≤0.5 ppm
CnHm ≤8 ppm
Mechanical impurities≤ 30 mg/m3
FAQ
What is an asu in HVAC?
What is an Air Separation Unit? An Air Separation Unit (ASU) is an industrial facility used to separate atmospheric air into its primary components (namely nitrogen, oxygen, and, in some cases, argon and other rare gasses).
Is air products a good investment?
The Air Products and Chemicals Inc stock holds buy signals from both short and long-term Moving Averages giving a positive forecast for the stock.
What is ASU in aircraft?
Air Start Unit (ASU) is a ground support equipment equipped with pneumatic starter is used to start aircraft engines. It supplies necessary quantity of air at specified pressure through one/two or three hoses attached to the aircraft's under belly.
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