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Puraffinity
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Formerly CustoMem. Manufacturer of biobased adsorbent materials to specifically bind and remove harmful micropollutants from industrial wastewater, with an initial focus on PFAS solutions

Founded in 2015
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Company type Private Public ()
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Industry Group waste & recycling

Sector wastewater

TRL Range 7-8
TRL 1 Basic research
TRL 2 Technology formulation
TRL 3 Applied research
TRL 4 Small scale prototype
TRL 5 Large scale prototype
TRL 6 Prototype system
TRL 7 Demonstration system
TRL 8 First of a kind commercial system
TRL 9 Full commercial application
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Headquarters United Kingdom London, United Kingdom
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Updated by Henrik Hagemann at CustoMem Limited on 08/14/2019

Edited by Cleantech Group on 03/27/2025

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Date Investors Type Amount
09/10/2024 BGF BGF (1)
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The funding will enable Puraffinity to scale up production of its patented, PFAS-capturing material, “Puratech ®”, to meet exceptionally strong and growing demand across multiple sectors. It will also support the company’s work developing fresh commercial applications that use Puraffinity’s patented materials.
Series A $8,890,000
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CGM1

Granular adsorbent media specifically designed for highly efficient adsorption of perflourinated compounds (PFCs) from wastewater.

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