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1 biofiltration
биофильтрация
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
biofiltration
The distribution of settled sewage on a bed of inert granular material through which it is allowed to percolate. In doing so, the effluent is aerated thus allowing aerobic bacteria and fungi to reduce its biochemical oxygen demand. (Source: PORT)
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Франко-русский словарь нормативно-технической терминологии > biofiltration
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2 échangeur d'ions
ионообменник
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
ion exchanger
A permanent insoluble material (usually a synthetic resin) which contains ions that will exchange reversibly with other ions in a surrounding solution. Both cation and anion exchangers are used in water conditioning. The volume of an ion exchanger is measured in cubic liters of exchanger after the exchanger bed has been backwashed and drained, and has settled into place. (Source: WQA)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Франко-русский словарь нормативно-технической терминологии > échangeur d'ions
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