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Advanced Drone System for PFAS Detection & Treatment

Dronaqua’s drone technology is designed to detect, treat, and map PFAS contamination in urban water bodies. Powered by renewable solar energy, these autonomous drones continuously collect and analyze data to ensure real-time monitoring and efficient contamination treatment.

Solar-Powered Energy Collection

Components Used

Lightweight solar panels, lithium-polymer battery pack, charge controller.

How It Works

The drone is equipped with high-efficiency solar panels that harness sunlight to generate power. This energy is stored in a lithium-polymer battery pack via a charge controller, ensuring a steady power supply for the drone's operations. This renewable energy system allows the drone to remain operational for extended periods without external charging.

Navigation and Mobility

Components Used

GPS module, motor kit with propeller, servo motor, buoyant frame.

How It Works

The GPS module provides precise location data, allowing the drone to navigate water bodies effectively. The motor kit propels the drone, while the servo motor adjusts the direction for optimal movement. The buoyant frame ensures the drone remains stable on the water's surface, even in fluctuating conditions.

PFAS Detection

Components Used

Screen Printed Electrodes, Mini Potentiostat

How It Works

The screen-printed carbon electrode (SPE) detects PFOS when it's coated with a molecularly imprinted polymer (MIP) designed to selectively bind PFOS molecules. When this MIP-modified SPE is connected to a mini potentiostat, the device applies a small voltage and measures the resulting electrochemical signal—typically using techniques like cyclic voltammetry or differential pulse voltammetry.

Data Transmission and Mapping

Components Used

ESP32 microcontroller, LoRa communication modules, mesh network, control station.

How It Works

The processed data from the biofuel cells is sent wirelessly via LoRa modules to a mesh network of drones. The swarm relays the information to a centralized control station, where it is compiled into detailed spatial maps of PFAS contamination. The mesh network ensures efficient communication between drones, enabling real-time updates.

PFAS Treatment

Components Used

Filtrasorb 600 (Granular Activated Carbon)

How It Works

The drone is equipped with granular activated carbon, a sorbent designed to adsorb PFAS directly from the water. This module captures up to 90% of PFAS in targeted samples, reducing contamination levels as the drones continue their detection and mapping.

Solar-Powered Energy Collection

Components Used

Modular design for upgrades, cloud-based data analytics platform.

How It Works

After deployment, the data collected by the drones is analyzed to refine their movement patterns, energy usage, and detection accuracy. The modular design allows for easy integration of improved components, ensuring the drones remain cutting-edge.

Why Choose Us

Watch Our Drone System in Action

Join us on a journey of innovation and impact—where student-led science meets real-world change, creating lasting memories through environmental action, teamwork, and breakthrough PFAS detection technolog

FEATURED TECHNOLOGY

New Technology and Feature Our Drone

Solar Power, Energy storage, GPS module, motor kit with propeller, servo motor, buoyant frame

The drone is equipped with high-efficiency solar panels that harness sunlight to generate power. This energy is stored in a lithium-polymer battery pack via a charge controller, ensuring a steady power supply for the drone's operations. The GPS module provides precise location data, allowing the drone to navigate water bodies effectively. The motor kit propels the drone, while the servo motor adjusts the direction for optimal movement. The buoyant frame ensures the drone remains stable on the water's surface, even in fluctuating conditions.

Active Carbon (Filtrasorb 200)

The drone is equipped with granular activated carbon, a sorbent designed to adsorb PFAS directly from the water. This module captures up to 90% of PFAS in targeted samples, reducing contamination levels as the drones continue their detection and mapping.

Mobilised Screen Printed Electrodes, Mini Potentiostat

The screen-printed carbon electrode (SPE) detects PFOS when it's coated with a molecularly imprinted polymer (MIP) designed to selectively bind PFOS molecules. When this MIP-modified SPE is connected to a mini potentiostat, the device applies a small voltage and measures the resulting electrochemical signal—typically using techniques like cyclic voltammetry or differential pulse voltammetry. As PFOS binds to the MIP layer, it alters the current response at the electrode surface, allowing the potentiostat to detect and quantify its concentration in real time.

ESP32 microcontroller, LoRa communication modules, mesh network, control station.

The processed data from the mini potentiostat is sent wirelessly via LoRa modules to a mesh network of drones. The swarm relays the information to a centralized control station, where it is compiled into detailed spatial maps of PFAS contamination. The mesh network ensures efficient communication between drones, enabling real-time updates.

Solar Power, Energy storage, GPS module, motor kit with propeller, servo motor, buoyant frame

Mobilised Screen Printed Electrodes, Mini Potentiostat

Active Carbon (Filtrasorb 200)

Mobilised Screen Printed Electrodes, Mini Potentiostat

Technical and Operational Features of the Drones

  1. Lightweight Solar Panels: High-efficiency solar panels continuously harvest sunlight, enabling long-term operation without external charging.
  2. Lithium-Polymer Battery Pack: Stores solar energy safely and efficiently, providing reliable power for all onboard systems.
  3. Smart Charge Controller: Optimizes power flow between the solar panels and the battery to prevent overcharging or energy loss.
  1. GPS Module: Delivers real-time geolocation, enabling accurate path planning and
    mapping.
  2. Servo Motor Steering: Fine-tunes direction with responsive control, ensuring agile
    navigation.
  3. Buoyant Frame Design: Ensures stability and flotation even under varying water
    conditions, from calm ponds to mild currents.
  1. ESP32 Microcontroller and LoRa communication modules: Acts as the brain of
    each drone, managing data acquisition and transmission. Enable low-power,
    long-range communication between drones and the control station.
  2. Real-Time Mapping: Enables high-resolution spatial mapping of PFAS
    contamination in near real-time.
  3. Continuous Monitoring: Supports persistent, autonomous water quality monitoring
    over large water bodies—far beyond the capabilities of traditional, lab-based
    sampling methods.
  4. Centralized Control Station: Aggregates incoming data streams, generating
    high-resolution spatial maps of PFAS concentrations.
  1. Granular Activated Carbon (Filtrasorb 600): Embedded within each drone to
    adsorb PFAS directly from the water column during sampling. Capable of removing
    up to 90% of contaminants per pass in targeted regions.

Comparison of PFAS Detection & Treatment Methods

How Dronaqua’s Technology Outperforms Traditional Methods in Detection, Treatment, and Efficiency

Criteria

Existing PFAS Detection & Treatment Methods

Dronaqua

Detection Accuracy

High, but Solid Phase Extraction and Direct Injection method for PFAS detection is localized and lab-based.

High, scalable via dronenetwork, enzymatic biofuel cells (BFC) can detect PFOS as low as 1.6nM

Treatment Effectiveness

Moderate, treatment methods like high heat and strong chemicals remediates PFAS but leads to other harmful byproducts.

High, activated carbon can reduce PFAS concentration in contaminated samples into <1.5% of the total.

Cost per Unit Treated

High, PFAA (another class of PFAS) is estimated around 20 to 7000 trillion USD per year.

Low, product cost SGD $600–$800, which is minimal compared to the other treatment process of using heat or chemicals.

Deployment Speed

Slow (fixed infrastructure), 4h+

Fast (drones cover large areas quickly through mesh networks), almost immediate

Environmental Impact

Chemical byproducts and physical harmful waste if through heating, leads to the issue of dumping.
Minimal, runs on solar energy, biodegradable components.

Scalability

Limited, Solid Phase Extraction or Direct Treatment Method only detects a fixed number of volumes.

Highly scalable, modular drone systems giving accurate PFAS concentration data in large bodies of water, the more data we amass, the more efficient we can develop our drones.

Criteria

Detection Accuracy

Existing PFAS Detection & Treatment Methods

High, but Solid Phase Extraction and Direct Injection method for PFAS detection is localized and lab-based.

Dronaqua

High, scalable via dronenetwork, enzymatic biofuel cells (BFC) can detect PFOS as low as 1.6nM

Criteria

Treatment Effectiveness

Existing PFAS Detection & Treatment Methods


Moderate, treatment methods like high heat and strong chemicals remediates PFAS but leads to other harmful byproducts.

Dronaqua

High, activated carbon can reduce PFAS concentration in contaminated samples into <1.5% of the total.

Criteria

Cost per Unit Treated

Existing PFAS Detection & Treatment Methods

High, PFAA (another class of PFAS) is estimated around 20 to 7000 trillion USD per year.

Dronaqua

Low, product cost SGD $600–$800, which is minimal compared to the other treatment process of using heat or chemicals.

Criteria

Deployment Speed

Existing PFAS Detection & Treatment Methods

Slow (fixed infrastructure), 4h+

Dronaqua

Fast (drones cover large areas quickly through mesh networks), almost immediate

Criteria

Environmental Impact

Existing PFAS Detection & Treatment Methods

Chemical byproducts and physical harmful waste if through heating, leads to the issue of dumping.

Dronaqua

Minimal, runs on solar energy, biodegradable components.

Criteria

Scalability

Existing PFAS Detection & Treatment Methods

Limited, Solid Phase Extraction or Direct Treatment Method only detects a fixed number of volumes.

Dronaqua

Highly scalable, modular drone systems giving accurate PFAS concentration data in large bodies of water, the more data we amass, the more efficient we can develop our drones.

Technical and Operational Features of the Drones

Key Features and Advantages of Our Drone Technology

Sustainable Energy System

The drone uses high-efficiency solar panels to harvest sunlight, a lithium-polymer battery for energy storage, and a smart charge controller to ensure efficient power management, preventing overcharging and energy loss.

Autonomous Aquatic Navigation

The drone features a GPS module for precise navigation, servo motor steering for responsive direction control, and a buoyant frame design, ensuring stability and flotation in diverse water conditions.

Integrated Biosensing for PFAS Detection

The drone uses mobilized screen-printed electrodes to detect PFOS and PFAS compounds, generating electrical signals, which are processed by a miniaturized unit and transmitted wirelessly in real-time for analysis.

Decentralized Data Communication

ESP32 Microcontroller and LoRa Communication Modules: Acts as the brain of each drone, managing data acquisition and transmission. Enable low-power, long-range communication between drones and the control station.

CLEAN WATER

Start Your Smart Water Monitoring Journey With Us.

Partner with Dronaqua to deploy intelligent swarm drones that detect, map, and reduce PFAS contamination in real-time—sustainably.