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TWO-STAGE PURIFICATION [2 records]
Record 1 - internal organization data 1986-05-27
Record 1, English
Record 1, Subject field(s)
- Wastewater Treatment
Record 1, Main entry term, English
- two-stage purification
1, record 1, English, two%2Dstage%20purification
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record 1, Key term(s)
- 2-stage purification
Record 1, French
Record 1, Domaine(s)
- Traitement des eaux usées
Record 1, Main entry term, French
- épuration en deux étapes
1, record 1, French, %C3%A9puration%20en%20deux%20%C3%A9tapes
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Épuration de l'eau usée par deux procédés successifs. Ex. : boues activées, puis lit bactérien. 1, record 1, French, - %C3%A9puration%20en%20deux%20%C3%A9tapes
Record 1, Key term(s)
- épuration en 2 étapes
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1981-01-26
Record 2, English
Record 2, Subject field(s)
- Wastewater Treatment
Record 2, Main entry term, English
- two-stage purification 1, record 2, English, two%2Dstage%20purification
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 OBS
In the special case of the textile industry (combing, dyeing, printing) two-stage purification is often necessary ... The B.O.D. results from the natural or synthetic raw materials (stiffeners, thickeners, sizes) but the C.O.D. is often very high due to the presence of various dyes or detergents. 1, record 2, English, - two%2Dstage%20purification
Record 2, French
Record 2, Domaine(s)
- Traitement des eaux usées
Record 2, Main entry term, French
- épuration en deux phases
1, record 2, French, %C3%A9puration%20en%20deux%20phases
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Dans le cas particulier de l'industrie textile (peignage, teintures, impressions), il y a aussi souvent la nécessité d'épurer en deux phases [...] La D.B.O. provient des matières premières naturelles ou synthétiques (apprêts, épaississants, encollages) mais souvent la D.C.O. est très élevée et correspond à différents colorants ou détergents. 1, record 2, French, - %C3%A9puration%20en%20deux%20phases
Record 2, Spanish
Record 2, Textual support, Spanish
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