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Comparaciones entre el sistema de esterilización espacial y la fumigación con formaldehído tradicional y la esterilización con ozono.

Sterilization Performance

Item Space Sterilization System Formaldehyde fumigation Ozone
Residue Nearly zero residue in surface space It needs to clear away white crystals during sterilization but it can
hardly remove all the residues
It does not need to remove residues but it is also hard to remove the residue
Chemical
Toxicity
Hydrogen peroxide\ peroxyacetic acid is non-toxic It may lead to cancer EPA will not grant any certification for its strong oxidation and harm to human respiratory system
Sterilization
Efficiency
log4 to log6 broad-spectrum sterilization against spore and fungi Unable to fully achieve the log4 to log6 sterilization against spore High concentration can kill spores, but it is difficult to kill
spores in a clean room because of fast pyrolysis
High concentration can kill spores, but it
is difficult to kill spores in a clean room because of fast pyrolysis
Total
Sterilization
Time
2 to 6 hours At least 2 days Most users perform such sterilization every day, causing a
potential hazard to the compatibility of clean room environment
Residue
Neutralization
It does not need to neutralize residues It needs to neutralize residues ------
Certification
The dry fog space sterilization system has been certified by EPA Advanced pharmaceutical and biotech enterprises in Europe and America have abandoned such sterilization No EPA certification
Residue
Detection
System
The residual amount of hydrogen peroxide can be detected by a space residual detector ------ ------
Cost
Evaluation
The cost shall be taken into account in terms of residue, chemical toxicity, sterilization effect and certification in compliance with national GMP and relevant international standards. Shorter downtime, better employee protection and simpler operation have guaranteed a higher performance-price ratio for the dry fog sterilization system.

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