Ehrenke Method

The Eranko method (Eranko method in Russian) is an innovative approach to teaching foreign languages, based on the idea that each person has an individual brain structure and corresponding skills. This method was developed by David Erenko, a linguist and teacher with more than 20 years of experience teaching English to speakers of different cultures.

Ehrenke method

This name describes one of the methods of water purification, which was developed by the French scientist James Heranko in the 19th century. It involves the use of special chemicals to remove organic substances from water. This method is widely used in various industries - from industry to agriculture and housing and communal services.

Ehrenke was a German chemist who lived at the end of the 19th and beginning of the 20th centuries. In 1895, he proposed the oxidative dechlorination method, used to neutralize hardness salts. The essence of this method is the reaction of iron (III) chloride (FeCl3) with sodium sulfide (Na2S), which forms an insoluble precipitate Fe2S3.

The method was named after the German engineer Reinhold J. Ehrenko, who discovered it in 1968. The engineer used this method to dechlorinate water in Turkey, where