Online analysis of peroxide in HPPO process

In the HPPO – hydrogen peroxide to propylene oxide – process for propylene oxide production, hydrogen peroxide is analyzed using a complexing agent and a colorimetric measurement with dipping probe. Due to the hazardous environment, the online analyzer fulfills EU Directives 94/9/EC (ATEX95) and is certified for zone­1 and zone­2 areas.