Arq, Inc.'s Q4 results amid GAC project hurdles. Liquidity issues and delays impact margins, but future execution could bring ...

The carbon microphone is a container of loosely packed carbon granules acted upon by a diaphragm. Vibrations from sound compress and decompress the granules, changing the electrical resistance of ...

The carbon microphone is a container of loosely packed carbon granules acted upon by a diaphragm. Vibrations from sound compress and decompress the granules, changing the electrical resistance of ...

Two wells in the city were found to contain PFAS at levels above health-based guidance values for drinking water.

Now, a new study published in the journal Environmental Science and Technology shows that heating PFAS with a common material called granular activated carbon, or GAC, can degrade these chemicals.