Ecovyst Inc.
Ecovyst Inc. offers specialty catalysts and services in the United States and internationally. The company operates through two segments, Ecoservices and Advanced Materials & Catalysts. The Ecoservices segment provides sulfuric acid recycling services and end-to-end logistics for production of alkylate for refineries; and virgin sulfuric acid for mining, water treatment, and industrial applications. The Advanced Materials & Catalysts segment offers advanced materials and specialty catalyst products and process solutions to producers and licensors of polyethylene. This segment also offers advanced silicas and zeolite catalysts; and supplies specialty zeolites and zeolite-based catalysts to customers for refining of oil primarily hydrocracking catalyst and dewaxing, sustainable fuels, and emission control systems for both on-road and non-road diesel engines. The company was formerly known as PQ Group Holdings Inc. and changed its name to Ecovyst Inc. in August 2021. Ecovyst Inc. was founded in 1831 and is headquartered in Malvern, Pennsylvania.
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Kronos Worldwide, Inc. produces and markets titanium dioxide pigments (TiO2) in Europe, North America, the Asia Pacific, and internationally. The company offers TiO2 in two crystalline forms comprising rutile and anatase to impart whiteness, brightness, opacity, and durability for various products, including paints, coatings, plastics, paper, fibers, and ceramics, as well as for various specialty products, such as inks, foods, cosmetics, and pharmaceuticals. It also produces ilmenite, a raw material used directly as a feedstock by sulfate-process TiO2 plants; iron-based chemicals, which are used as treatment and conditioning agents for industrial effluents and municipal wastewater, as well as in the manufacture of iron pigments, cement, and agricultural products; and specialty chemicals for use in the formulation of pearlescent pigments, and production of electroceramic capacitors for cell phones and other electronic devices, as well as for use in natural gas pipe and other specialty applications. In addition, the company provides technical services for its products. It sells its products under the KRONOS brand through agents and distributors to paint, plastics, decorative laminate, and paper manufacturers. The company was founded in 1916 and is headquartered in Dallas, Texas. Kronos Worldwide, Inc. is a subsidiary of Valhi, Inc.
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