Imerys has completed the acquisition of the European diatomite and perlite business of Chemviron, a subsidiary of Calgon Carbon Corporation.

In 2024, this business generated approximately €50 million in revenue and employed around 130 people.

Imerys acquires three high-quality mining and industrial assets in France and in Italy, extending and complementing its European diatomite and perlite footprint. This acquisition broadens its filtration and life sciences product portfolio to better serve customers in food, beverage, filtration and pharmaceutical markets.

Imerys is the world’s leading supplier of mineral-based specialty solutions for the industry with €3.8 billion in revenue and 13,700 employees in 54 countries in 2023.