Revolutionising Air Quality: Enhancing the
Rapid Transit Experience in Shenzhen
Shenzhen, a bustling city in Guangdong province, China, boasts a renowned rapid transit system that serves as a lifeline for millions of commuters each day. With an extensive network and a reputation for efficiency, this transit system faces the challenge of providing a comfortable and pleasant journey for its passengers. To overcome issues such as unpleasant odours and limited space within the compartments, a cutting-edge solution was implemented, transforming the transit experience for the city’s residents.
The rapid transit system in Shenzhen encountered obstacles that impacted passenger satisfaction. Unpleasant odours caused by factors such as Total Volatile Organic Compounds (TVOC), yeast, mould, and bacteria posed a challenge to maintaining a fresh and inviting atmosphere within the train compartments. Additionally, the limited space available within the compartments affected the overall comfort of passengers during their journeys, so large obtrusive air purifiers weren’t an option for the rapid transit system.
To address these challenges and elevate the commuting experience, the rapid transit system in Shenzhen sought the expertise of BSG and their state-of-the-art solution. By implementing the AC Odour Control unit, the transit system aimed to revolutionize air quality and create a more pleasant environment for passengers.
Everyone benefits from living and working in a pleasant, virus and bacteria-free spaces, and that’s where the AC comes in. As the name suggests, the AC Odour Control effectively removes odours from a variety of spaces such as toilets, lobbies, refuse rooms, guest rooms and more, without using any harsh chemicals that could harm the environment.
Within 24 hours, the integration of the AC units into the air conditioning systems produced outstanding results. An analysis revealed a significant reduction of up to 99.9% in airborne bacteria count, airborne fungal count, surface bacteria count, surface fungal count, and TVOC levels. These findings are displayed in the table below and demonstrated the effectiveness and efficiency of BSG’s Photoplasma technology in creating a cleaner and healthier environment for passengers.
| Parameter | Airborne Bacteria Count (cfu/plate) | Airborne Fungal Count (cfu/plate) | Surface Bacteria Count (cfu/cm²) | Surface Fungal Count (cfu/cm²) | TVOC (mg/m²) |
| 0 Hours | 21 | 27 | 20 | 8 | 0.479 |
| 2 Hours | 1 | <1 | <1 | <1 | 0.410 |
| 6 Hours | <1 | <1 | <1 | <1 | 0.398 |
| 24 Hours | <1 | <1 | <1 | <1 | 0.356 |
Through an innovative partnership with BSG, the renowned rapid transit system in Shenzhen, China, successfully addressed the challenges of unpleasant odours and large amounts of bacteria within the compartments. The implementation of the AC units resulted in a notable improvement in air quality, elevating the commuting experience for millions of passengers. This success story underscores the transformative power of cutting-edge solutions and collaborative efforts in creating a more comfortable, enjoyable, and passenger-centric rapid transit system.
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