Nonthermal destruction of PFAS in solid matrices by piezoelectric ball milling

Prada, Andres

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https://hdl.handle.net/2142/122962 Copy

Description

Title

Nonthermal destruction of PFAS in solid matrices by piezoelectric ball milling

Author(s)

Prada, Andres

Issue Date

2024-04-24

Keyword(s)

• PFAS
• per- and polyfluoloalkyl substances

Abstract

Per- and polyfluoroalkyl substances (PFAS) are toxic chemicals that can be found in water and the environment. Carbon-based material, e.g., granular activated carbon (GAC), is the current most practical sorbent material to sequestrate PFAS compounds found in water. After its use, however, the PFAS-laden GAC is commonly either landfilled or incinerated, where the adsorbed PFAS will likely be released via landfill leachate or by volatile compounds. In this work we developed an alternative method to destroy the PFAS contained in GAC, other sorbents or solid waste, using an optimized ball milling technique with novel piezoelectric catalysts. The use of the piezoelectric catalysts as co-milling agents vastly enhances the effectiveness of the treatment while reducing the cost and energy consumption. This mechanism becomes a fast and energy-efficient alternative to achieve nearly 100% destruction of PFAS without the need of solvents, heat, and the release of toxic by-products.

Has Part

https://youtu.be/Vt9Lkbrx_Xc

Type of Resource

• text
• still image

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