Stock Photo - 17 September 2020, Saxony-Anhalt, Latdorf: The rinse water creates different patterns on a lime pond. The settling ponds, which are several hectares in size, are used to treat production wastewater from soda production. In the process, lime and residues settle and the purified water flows into the Saale. The sediments cause the hills to grow steadily. Solvay GmbH has been producing soda, sodium hydrogen carbonate, high-purity hydrogen peroxide and high-purity phosphoric acid for the production of computer chips for 130 years. (Aerial view with drone) Photo: Jan Woitas/dpa-Zentralbild/ZB. - Latdorf/Saxony-Anhalt/Germany

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