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Case Study

Continuous gas and particle monitoring in the metro of Valparaiso

EFE Trenes de Chile
Sector:

Need

The State Railway Company, called EFE Trenes de Chile, needed to carry out continuous gas and particle monitoring to know the air quality in the Valparaiso metro stations.

The Valparaíso metro currently has 2 main uses:

  • Passenger transport during the day with an electrified system.
  • Transportation of materials during the night with a diesel engine.

The objective of the study is to improve the ventilation system installed on the metro lines by continuous gas and particle monitoring in order to improve air quality and comply with Chilean law 594 to protect the health of both workers and users of the metro.

The aim is to improve the ventilation system in place on the metro lines in order to improve air quality and ensure compliance with Chilean law 594.
Gas and particle monitoring in the Valparaíso metro systemGas and particle monitoring in the Valparaíso metro systemGas and particle monitoring in the Valparaíso metro systemGas and particle monitoring in the Valparaíso metro system

Solution

This study of the air quality was carried out on the basis of 3 lines of work:

  • Fluid dynamic simulation and modelling of the ventilation systems of metro stations.
  • Measurement of pollution exposure of metro staff (occupational hygiene) using certified personal exposure devices.
  • Gas and particle monitoring both in the environment and in the stations themselves.

For this purpose, 4 Kunak AIR Pro stations were deployed for continuous monitoring of gases (CO, CO2 and NO2) and particles (PM1, PM2.5, PM4, PM10, Total Suspended Particles (TSP) and Total Particle Count (TPC) both outside and inside the metro stations.

Results

  • Creation of a healthier environment by monitoring gases and particulates for a safer atmosphere.
  • Optimisation of the ventilation system by adjusting airflow based on real-time data to improve air quality.
  • Improvement of preventive maintenance by identifying system problems in advance.
  • Compliance with air quality standards to ensure public safety.
  • Generation of greater confidence and enhancement of the company’s image by demonstrating its commitment to passenger welfare.

Project details

Customer: EFE Trenes de Chile

User: EFE Trenes de Chile

Location: Valparaíso, Chile

Sector:

Year: 2023

Parameters:

  • CO (carbon monoxide)
  • CO2 (carbon dioxide)
  • NO2 (nitrogen dioxide)
  • Particulate matter (PM1, PM2.5, PM4, PM10, TSP and TPC).
  • Temperature, relative humidity, dew point and atmospheric pressure.

Solutions

  • AIR ProProfessional air quality monitoring station
    Air quality monitor

    AIR Pro

    The most accurate air quality monitoring station

    SENSOR-BASED | BEST AVAILABLE ACCURACY

    Benefits

    • Multi-pollutant
    • Smart cartridge system
    • Fully autonomous
    • Real-time data
    • Proven accuracy
    See more
  • AIR CloudAir quality software
    Air quality software - Kunak AIR Cloud

    AIR Cloud

    Multipurpose air quality software for professionals

    REAL-TIME DATA | ALWAYS UPDATED

    Benefits

    • Secure and condifential
    • Air quality reporting
    • Advanced data analysis and visualisation
    • Reliable data guaranteed
    • Data sharing and integration
    See more
  • Particulate MatterReliable real-time data on suspended particles

    Particulate Matter

    Reliable information about particulate matter

    GASPLUG TECHNOLOGY | PATENTED DESIGN

    Specs

    • Optical particle counter
    • Up to R2 >0.9
    • Range: 0-1,000 | 0-2,000 | 0-10,000 ppb
    • Resolution: 1 μg/m3
    • 24 months of operating life
    See more
  • Carbon monoxideReliable real-time data on CO
    Carbon-monoxide

    Carbon monoxide

    Reliable information about carbon monoxide

    GASPLUG TECHNOLOGY | PATENTED DESIGN

    Specs

    • Electrochemical
    • R2 >0.85
    • Range: 0-12,000 ppb (Type A) | 0-500 ppm (Type B)
    • Resolution: 1 ppb (Type A) | 0.01 ppm (Type B)
    • 24 months of operating life
    See more
  • Carbon dioxideReliable real-time data on CO2
    Carbon_dioxide_cartucho

    Carbon dioxide

    Reliable information about carbon dioxide

    GASPLUG TECHNOLOGY | PATENTED DESIGN

    Specs

    • NDIR
    • Typical accuracy (MAE): ±30 ppm
    • Range: 0-5,000 ppm
    • Resolution: 1 ppm
    • > 7 years of operating life
    See more
  • Nitrogen dioxideReliable real-time data on NO2
    Nitreogen_dioxide

    Nitrogen dioxide

    Reliable information about nitrogen dioxide

    GASPLUG TECHNOLOGY | PATENTED DESIGN

    Specs

    • Electrochemical
    • R2 >0.85
    • Range: 0-12,000 ppb (Type A) | 0-500 ppm (Type B)
    • Resolution: 1 ppb (Type A) | 0.01 ppm (Type B)
    • 24 months of operating life
    See more
Air quality monitor

AIR Pro

The most accurate air quality monitoring station

SENSOR-BASED | BEST AVAILABLE ACCURACY

Benefits

  • Multi-pollutant
  • Smart cartridge system
  • Fully autonomous
  • Real-time data
  • Proven accuracy
See more
Air quality software - Kunak AIR Cloud

AIR Cloud

Multipurpose air quality software for professionals

REAL-TIME DATA | ALWAYS UPDATED

Benefits

  • Secure and condifential
  • Air quality reporting
  • Advanced data analysis and visualisation
  • Reliable data guaranteed
  • Data sharing and integration
See more

Particulate Matter

Reliable information about particulate matter

GASPLUG TECHNOLOGY | PATENTED DESIGN

Specs

  • Optical particle counter
  • Up to R2 >0.9
  • Range: 0-1,000 | 0-2,000 | 0-10,000 ppb
  • Resolution: 1 μg/m3
  • 24 months of operating life
See more
Carbon-monoxide

Carbon monoxide

Reliable information about carbon monoxide

GASPLUG TECHNOLOGY | PATENTED DESIGN

Specs

  • Electrochemical
  • R2 >0.85
  • Range: 0-12,000 ppb (Type A) | 0-500 ppm (Type B)
  • Resolution: 1 ppb (Type A) | 0.01 ppm (Type B)
  • 24 months of operating life
See more
Carbon_dioxide_cartucho

Carbon dioxide

Reliable information about carbon dioxide

GASPLUG TECHNOLOGY | PATENTED DESIGN

Specs

  • NDIR
  • Typical accuracy (MAE): ±30 ppm
  • Range: 0-5,000 ppm
  • Resolution: 1 ppm
  • > 7 years of operating life
See more
Nitreogen_dioxide

Nitrogen dioxide

Reliable information about nitrogen dioxide

GASPLUG TECHNOLOGY | PATENTED DESIGN

Specs

  • Electrochemical
  • R2 >0.85
  • Range: 0-12,000 ppb (Type A) | 0-500 ppm (Type B)
  • Resolution: 1 ppb (Type A) | 0.01 ppm (Type B)
  • 24 months of operating life
See more