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. 2021 Apr 29;786:147401. doi: 10.1016/j.scitotenv.2021.147401

Table 2.

Summary of life cycle inventory of 64,800 m3 of medical oxygen distributed to a hospital per month.

Inventory Unit Applied scenario
Inputs
Feed air 1,044,000 Nm3/month Scenario 3- on-site oxygen production
Electricity 1100 W/Nm3 Scenario 3- on-site oxygen production
Diesel, truck 35 L/100 km Scenario 1- oxygen in cylinders, Scenario 2- liquid oxygen in tank
Distance 84.4 km Scenario 1- oxygen in cylinders, Scenario 2- liquid oxygen in tank
PSA facility 1 unit Scenario 3- on-site oxygen production
Tank 1 unit Scenario 2- liquid oxygen in tank
Cylinders 338 unit/day Scenario 1- oxygen in cylinders



Output
Medical oxygen 64,800 Nm3/month Scenario 1, Scenario 2, Scenario 3