Schmutzdecke

Schmutzdecke
Schmutzdecke f mud blanket

Deutsch-Englisch Fachwörterbuch Architektur und Bauwesen. 2013.

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  • Schmutzdecke — (German, grime or filth cover , sometimes spelt schmutzedecke) is a complex biological layer formed on the surface of a slow sand filter. The schmutzdecke is the layer that provides the effective purification in potable water treatment, the… …   Wikipedia

  • Slow sand filter — Slow sand filters are used in water purification for treating raw water to produce a potable product. They are typically 1 to 2 metres deep, can be rectangular or cylindrical in cross section and are used primarily to treat surface water. The… …   Wikipedia

  • Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia

  • Hypogeal — means underground . * In botany, a seed is described as hypogeal when the cotyledons of the germinating seed remain non photosynthetic, inside the seed shell, and below ground. The converse, where the cotyledons expand, throw off the seed shell… …   Wikipedia

  • Rapid sand filter — The rapid sand filter or rapid gravity filter is a type of filter used in water purification and is commonly used in municipal water treatment facilities. Rapid sand filters use relatively coarse sand and other granular media to remove particles… …   Wikipedia

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