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KDONAr-3000Y/4000Y/50 (220TPD+2TPD)
Project model : KDONAr-3000Y/4000Y/50 (220TPD+2TPD)
Location : Jiangxi
Year : 2017
Application field : Gas investment
ASU specs :
| Operating conditions | Lox yield (optional Gox yield) | O2 purity (upgradable) | Liquid Nitrogen yield (optional LN yield) | Nitrogen purity | Argon yield | Argon purity |
| Design | 3760 liter/h or 100TPD (1500nm3/h or 50TPD) | 99.6%O2 | 6170 liter/h or 120TPD (6000nm3/h or 180TPD) | ≤10PPmO2 | 60 liter/h or 2TPD | 2PPmO2 ≤3PPmN2 |
| Condition1 | 4135 liter/h or 110TPD | 5710 liter/h or 110TPD (5500nm3/h or 165TPD) | ||||
| Condition2 | 3005 liter/h or 80TPD (1500nm3/h or 50TPD) | 7405 liter/h or 145TPD (4500nm3/h or 135TPD) |
Process brief
This process is an all-liquid air separation process integrating normal temperature molecular sieve adsorption purification, nitrogen cycle pressurization, high and low-temperature pressurized turbine expander, full distillation of packed fractionation tower to produce argon. And is one of the most advanced all-liquid air separation processes in the world.
Main feature :
1. The use of high and low-temperature expander refrigeration to obtain a larger unit enthalpy drop and improve the distillation conditions of the upper tower.
2. Use nitrogen recycling booster to pressurize and expand to reduce energy consumption.
