TERMIUM Plus®

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MICRO-EMULSION [5 records]

Record 1 2013-05-07

English

Subject field(s)
  • Crop Protection
Key term(s)
  • microemulsion

French

Domaine(s)
  • Protection des végétaux
DEF

Émulsion de type aqueux dans laquelle les gouttelettes de solution organique sont de très petite taille donnant à l'émulsion une apparence homogène, transparente ou translucide, applicable après dilution.

Key term(s)
  • microémulsion

Spanish

Save record 1

Record 2 2003-02-20

English

Subject field(s)
  • Chemistry
CONT

The high surfactant concentration allows the amount of dispersed phase in the microemulsion to be high as compared with the low value in the dispersed phase of the unicells in the low concentration surfactant solutions.

French

Domaine(s)
  • Chimie
DEF

Dispersion de gouttelettes liquides (par exemple d'eau) dans un autre liquide (par exemple l'huile) obtenue en ajoutant un ou plusieurs produits appelés «tensioactifs».

CONT

Une microémulsion comprend quatre constituants : la phase huileuse (fuel, essence ou corps gras), la phase hydroalcoolique (alcool à 90° par ex.), un tensioactif liant les deux phases et un co-tensioactif agissant comme synergiste.

Spanish

Campo(s) temático(s)
  • Química
Save record 2

Record 3 2001-11-06

English

Subject field(s)
  • Chemical Engineering
  • Oil Production
CONT

In each flood a 5% PV microemulsion slug was injected into a ... Berea core ... All slug compositions used 15% surfactant with varying amounts of oil ...

French

Domaine(s)
  • Génie chimique
  • Production pétrolière
OBS

Utilisation de micro-émulsions. [...] Ce procédé [...] consiste a utiliser des émulsions eau-huile dont la phase continue est extrêmement divisée [...] L'intérêt [...] de ces fluides tient dans la possibilité de passage continu depuis la micro-émulsion dans laquelle l'huile est phase continue, au cas inverse de la micro-émulsion à phase continue d'eau.

Spanish

Save record 3

Record 4 1988-01-23

English

Subject field(s)
  • Oil Production
CONT

Healy and Reed (1974) conducted a series of constant-rate ... core floods to determine if the nature of the external phase affects displacement efficiency. In each flood a 5% PV microemulsion slug was injected ... there appears to be no obvious advantage attributable to either oil-external or water-external surfactant slugs.

French

Domaine(s)
  • Production pétrolière
CONT

L'intérêt essentiel de ces fluides tient dans la possibilité de passage continu depuis la micro-émulsion dans laquelle l'huile est phase continue, au cas inverse de la micro-émulsion à phase continue eau.

Spanish

Save record 4

Record 5 1988-01-23

English

Subject field(s)
  • Oil Production
CONT

... the literature references lead one to believe that oil-external slugs are preferred. However, some data are available that suggest the external phase is not an important variable in surfactant-polymer flooding.

French

Domaine(s)
  • Production pétrolière
CONT

Dans le cas de la micro-émulsion à phase huile continue, on a une bonne compatibilité avec les huiles brutes [...]

Spanish

Save record 5

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