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tag: pfas

pfas.jpg 21 February 2023

Destroying PFAS by grinding it up with a new additive

For their non -stick properties, stain -resistant and waterproofing, PFAS perfluoroalchilics are used very much in the finishing of textile and tanning products. Researchers of the ACS Environmental Science & Technology Letters destroy PFAS found in soils by grinding them with metal balls and boron nitride, thanks to a new type additive for “ball milling” that completely breaks down PFAS at ambient temperature and pressure. [Abschied "für immer" - Zerstörung von PFAS durch Zerkleinerung mit einem neuen Zusatzstoff – Chemie.de]

 

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download (3).jpg 16 July 2022

U.S. legislation to limit PFAS in industrial wastewater will broaden the very definition of PFAS

The American Chemical Society, @C&EN, argues that plastic manufacturers will be among the first industries to meet PFAS pollution limits in wastewater under legislation passed by the U.S. House of Representatives. Textiles and makers of electrical and electronic components follow, then paint formulators, companies that mold plastics and leather tanneries. The measure will increase the number of chemicals for which manufacturers must supply data to the EPA, the Environmental Protection Agency.

 

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download (2).jpg 02 June 2022

In Michigan, a major PFAS problem arose where a tannery discharged its effluents.

Michigan officials found that sludge contaminated with heavy metals and PFAS was used to fertilize agricultural fields. Here the automotive tannery Eagle Ottawa Leather Company, spread tannery waste on farmland until 2006.  It is not known whether tanneries across the nation also  follow this practice.  The Michigan PFAS Action Response Team is investigating the extent of the contamination.  [PFAS found in groundwater where tannery spread sludge to fertilize crops - Michigan Radio]

 

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