Industry Background

 

 

Public transportation hubs such as bus terminals, train stations, and subway waiting areas accommodate thousands of passengers daily. These high-density environments feature continuous human turnover, limited ventilation, and frequent exposure to pathogens. Maintaining clean air is critical to protect commuters, staff, and operational efficiency while ensuring compliance with public health regulations.

 

Pain Points

High Passenger Density:

Crowded areas increase the likelihood of airborne virus transmission.

Poor Ventilation:

Enclosed waiting halls and underground stations often have limited fresh air exchange.

Odors and Pollutants:

Vehicle exhaust, dust, and cleaning chemicals contribute to poor air quality.

 

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Risks and Challenges with Mitigation

Virus Transmission in Enclosed Spaces

Risk: Confined areas accelerate virus and bacteria spread.
Mitigation: HEPA H14 + UV-C sterilization removes ≥99.99% of pathogens.

High Air Pollutants from Traffic and Crowds

Risk: Exhaust fumes, dust, and VOCs reduce air quality.
Mitigation: Activated carbon and plasma technology neutralize VOCs and capture fine particles.

Continuous 24/7 Operation Demand

Risk: Transport hubs require uninterrupted operation with minimal maintenance.
Mitigation: Energy-efficient, durable design supports long runtimes with low servicing needs.

Noise and Passenger Comfort

Risk: Loud equipment disrupts commuter experience.
Mitigation: Silent mode ≤48 dB ensures quiet operation in waiting areas.

 

 

Technical Specifications

 

 

Parameter

Value

Filtration System

HEPA H14 + Activated Carbon + UV-C + Plasma

Virus & Bacteria Removal Rate

≥ 99.99%

CADR (Clean Air Delivery Rate)

1200–3000 m³/h (optimized for large spaces)

Noise Level

≤ 48 dB (silent mode)

Power Consumption

220–550 W

Operation Mode

24/7 continuous with smart sensors

Compliance Standards

EN 1822, ISO 14644, CE, UL, RoHS

 

 
 
Our Solution

Core Technologies 

01.

Medical-Grade HEPA H14:

Captures fine particles and airborne pathogens down to 0.1 μm.

02.

UV-C Sterilization:

Effectively inactivates viruses and bacteria, preventing secondary infections.

03.

Plasma + Activated Carbon:

Eliminates VOCs, odors, and harmful gases from exhaust and chemicals.

04.

Intelligent Monitoring:

Real-time PM2.5, VOC, and CO₂ detection with automatic fan speed control.

 

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Operational Features

Designed for continuous, heavy-duty use in high-traffic transport hubs.
Modular filters enable fast replacement and reduced downtime.
Energy-efficient design reduces long-term operational costs.

 

 

Success Cases

 

 

In the enclosed underground metro station waiting area, high passenger density and poor ventilation created a challenging environment for maintaining safe air quality. The lack of natural airflow increased the risk of airborne pathogen transmission and made pollutant accumulation more severe.

 

To address this, high-CADR purifiers equipped with medical-grade HEPA H14 filters and UV-C sterilization were installed. This solution reduced airborne microbial load by 93% and kept PM2.5 levels consistently below 15 μg/m³, ensuring cleaner, healthier air for passengers in a crowded and enclosed space.

 

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