cause：

Disinfection preparations before the reopening of a cinema closed after COVID-19

Disinfection space size：1500m³

need：Disinfection of space surface

Validation method：Hydroperoxide color indicator, stained with pure water

Disinfection process：2 SMART 1000 diagonal convection direct blowing, the whole process took 1.5 hours

results：The mean concentration of hydrogen peroxide in 20 monitoring sites was greater than 150PPM, and complete elimination was achieved