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BIOLOGICAL EVOLUTION APTITUDE INDEX [1 record]
Record 1 - internal organization data 2001-07-03
Record 1, English
Record 1, Subject field(s)
- Environmental Studies and Analyses
- Wastewater Treatment
Record 1, Main entry term, English
- biological evolution aptitude index 1, record 1, English, biological%20evolution%20aptitude%20index
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
Composting. Temperature, Dry Matter, Volatile Solids. The process performance strictly depends on temperature, dry matter and volatile solids in terms of both biological evolution and hygienization (pathogens reduction). In particular, a concentration of solids of 40-60% and a temperature around 60°C are generally required. 2, record 1, English, - biological%20evolution%20aptitude%20index
Record 1, French
Record 1, Domaine(s)
- Études et analyses environnementales
- Traitement des eaux usées
Record 1, Main entry term, French
- indice d'aptitude à l'évolution biologique
1, record 1, French, indice%20d%27aptitude%20%C3%A0%20l%27%C3%A9volution%20biologique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Unité de mesure caractérisant la stabilité biologique d'une boue résiduaire obtenue au cours de l'épuration d'une eau usée et se trouvant à un stade déterminé de traitement. 1, record 1, French, - indice%20d%27aptitude%20%C3%A0%20l%27%C3%A9volution%20biologique
Record number: 1, Textual support number: 1 OBS
L'indice d'aptitude à l'évolution biologique est la somme de deux termes. Le premier est égal au produit du niveau d'ATP, caractérisé par un chiffre variant de 2 à 8, par le logarithme décimal de la DBO5 du liquide interstitiel de la boue. Le second est égal au produit du carré de la fraction de matières volatiles dans la phase solide par le niveau d'activité enzymatique exprimé par un chiffre variant de 1 à 3 (L'eau et industrie, no 40, 1979, p. 55). 1, record 1, French, - indice%20d%27aptitude%20%C3%A0%20l%27%C3%A9volution%20biologique
Record 1, Spanish
Record 1, Textual support, Spanish
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