Conditions: Baseline city air pollution
Result: CO2 absorption and O2 release succeeded. Particulate capture was below target.
Lesson: Filtration layer needed improvement.
Conditions: Optimized filtration, increased airflow
Result: Particulate capture improved from 19.2 mg to 70.56 mg. Still below 100 mg target.
Lesson: Filtration improved but still needs more air contact.
Conditions: Final optimized design with bioconversion layer
Result: CO2 absorption full (50 g/day). Particulate capture 107.46 mg/day (above target). Generated 5.10 mW electricity.
Lesson: Wall cleans air and produces small trickle electricity.