Chemische Fabrik Kalk GmbH (CFK) is a chemical plant, which is part of the K+S Group and is now a commercial company. The company was founded in 1858 as Chemische Fabrik Vorster & Grüneberg, Cöln and changed its name to Chemische Fabrik Kalk GmbH in 1892. For a time, CFK was Germany's second largest soda manufacturer and, with up to 2400 employees, was one of the largest employers in urban Cologne to the east of the Rhine. The main plant's industrial chimneys were a defining feature of the Kalk district's skyline for decades.

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Keywords associated with this company

Chemistry, inorganic - raw materials and derivatives /  Sodium sulphate /  Oleum /  Sodium bisulphite solution /  Sodium bicarbonate /  Calcium carbonate /  Magnesium chloride /  Magnesium chloride hexahydrate /  Sulphuric acid /  Polyaluminium chloride (PAC) /  Caustic soda /  Sodium bisulphite /  Manganese sulphate /  Aluminium chloride solution /  Aluminium sulphate /  Ammonium hydroxide /  Calcium formate /  Caustic potash /  Polyaluminium chloride /  Anodes /  calcium chloride /  nitric acid /  muriatic acid / 

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Key figures

  • company headcount
    11 – 50


  • Year established
  • Main activity
    Manufacturer/ Producer

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  • Trading areas
    Regional  -  National  -  European  -  International

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    German, English

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