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Kuraray Co., Ltd. ADR (KURRY) appears in news through Calgon Carbon, its wholly owned activated-carbon subsidiary. Recurring developments center on coal-, wood- and coconut-based activated carbon products, filtration media, equipment and services used in drinking water, wastewater, pollution abatement and industrial purification.
Company updates also cover Calgon Carbon's PFAS treatment work, including FILTRASORB activated carbon, custom municipal reactivation of spent drinking-water carbon, and responses to regulatory standards for PFAS compounds in public water systems.
Calgon Carbon (KURRY) published a second peer-reviewed white paper (Remediation Journal, Fall 2025) demonstrating its custom municipal thermal reactivation destroys PFAS with > 99.9% destruction removal efficiency and returns spent granular activated carbon (GAC) to non-detect PFAS levels. State-of-the-art EPA methods (OTM-50; EPA Method 0010/8720) found no products of incomplete combustion (PICs) or reformed PFAS. The study reinforces 2022 findings for industrial reactivation, highlights a closed-loop reuse model that lowers landfill waste and CO2 vs. virgin carbon, and leverages Calgon Carbon's global reactivation network (six U.S. plants plus facilities in Europe and Asia). Paper available open access; published Oct 2, 2025.
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