Home Solution The PureNat active photocatalytic textile filter

The PureNat active photocatalytic textile filter

Air pollution-CO2 mitigation

Indoor air pollution and the need for sustainable, effective air purification solutions.

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PureNat

Company Established Year

Since 2020

Who is this solution for

Business

Info

Available

To sell

Project Status

In commerce

Looking to expand internationally

Yes

Doing business in

worldwide

Awards and certifications

Atelier de l’Innovation du Pays Basque

2021

Recognition for its innovative depolluting fiber.

Pollutec Innovation Awards

2023

Granted in recognition of its disruptive air purification technology.

Global Industrie Awards (“Jeune Pousse”)

2023

Awarded as a promising industrial deep‑tech startup.

Product description

The PureNat active photocatalytic textile filter is a groundbreaking solution for indoor air purification. It utilizes biomimetic polymer fiber technology activated with a photocatalyst to effectively eliminate organic pollutants in the air. Unlike traditional filters that only trap pollutants, this innovative filter converts them into harmless by-products, ensuring a cleaner and healthier indoor environment.

The design of the filter is inspired by diatom cell structures, maximizing the surface area for air-to-active interaction. This unique approach ensures consistent performance over time without the risk of clogging, providing long-lasting efficiency. Additionally, the filter's low pressure drop reduces energy consumption by up to 30%, making it an energy-efficient choice for air purification systems.

With its durable construction and minimal maintenance requirements, the PureNat filter offers a sustainable alternative to traditional filters. Its adaptability to various air systems, including industrial, commercial, transport, and residential settings, allows for scalable and eco-efficient installation. Supported by a patent and successful industrial pilots, this filter is a high-performance solution for modern indoor air treatment.

Key characteristics and environmental benefits

  • Utilizes biomimetic polymer fiber technology activated with a photocatalyst
  • Converts organic pollutants into trace CO₂ and water vapor without releasing harmful by-products
  • Inspired by diatom cell structures for maximum air-to-active-surface interaction
  • Low pressure drop reduces energy consumption by up to 30%
  • Durable design cuts maintenance and waste, ensuring long-lasting efficiency
  • Plug-and-play adaptability for industrial, commercial, transport, and residential air systems
  • Backed by a patent and industrial pilots demonstrating significant pollutant reduction
  • Sustainable, high-performance alternative for indoor air treatment

About the Company

PureNat is a French deep‑tech industrial startup founded in 2020 by Dr. Natacha Kinadjian Caplat and biotech engineer Manon Vaillant, headquartered in Bayonne/Anglet in the French Basque region. It has developed a patented biomimetic textile filter that actively destroys volatile organic compounds, odours, bacteria and viruses through photocatalysis—rather than merely trapping pollutants. The lightweight, low‑carbon textile does not clog over time, minimizing energy consumption and waste, and extending filter life. PureNat targets applications across indoor air systems, industrial ventilation and purifiers, aiming to improve air quality while reducing maintenance costs and environmental impact. With industrial pilot installations demonstrating > 76% VOC abatement and up to 100% on specific compounds, the company bridges health, sustainability and operational efficiency for buildings, factories, transport and other sectors. As a certification member of FrenchTech Pays Basque and Bordeaux, and supported by ADEME, BPI and regional development bodies, PureNat embodies an eco‑responsible innovation committed to a cleaner and healthier future.

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