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ETUDE COMPARATIVE DE LA
REGENERATION DE LA PHASE
ORGANIQUE DEGRADEE PAR LES
ARGILES SOLMET, BENTONITE,
ARGILE LOCALE BRUTE, ARGILE
LOCALE ACTIVEE
CAS DE MMG KINSEVERE
 INTRODUCTION
INTRODUCTION
Dans un circuit d’extraction par solvant, la phase
organique demeure dans une boucle fermée.
Elle est soumise à plusieurs facteurs qui participe à
dégradation.
• Oxydation ;
• Hydrolyse catalysée ;
• Acide sulfurique
concentre ;
• La lumière du soleil ;
• Solutions de lixiviation ;
• Silice soluble ;
• Solides fins en suspension ;
• Les agents tensioactifs ou
surfactants ; et
• Formation des CRUD
CONCEPTS ET MÉCANISMES
• ADSORPTION
• ACTIVATION
• REGENERATION DE LA PHASE ORGANIQUE
ADSORPTION
L’adsorption décrit un phénomène de modification
des concentrations à l’interface de deux phases non
miscibles.
L’adsorption est un processus par lequel un
adsorbant solide peut attirer un composant dans un
fluide à sa surface et former une fixation via une
liaison physique ou chimique, donc, retirer le
composant de la phase fluide.
ACTIVATION

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ETUDE COMPARATIVE DE LA REGENERATION DE LA PHASE.pptx

  • 1. ETUDE COMPARATIVE DE LA REGENERATION DE LA PHASE ORGANIQUE DEGRADEE PAR LES ARGILES SOLMET, BENTONITE, ARGILE LOCALE BRUTE, ARGILE LOCALE ACTIVEE CAS DE MMG KINSEVERE
  • 3. INTRODUCTION Dans un circuit d’extraction par solvant, la phase organique demeure dans une boucle fermée. Elle est soumise à plusieurs facteurs qui participe à dégradation. • Oxydation ; • Hydrolyse catalysée ; • Acide sulfurique concentre ; • La lumière du soleil ; • Solutions de lixiviation ; • Silice soluble ; • Solides fins en suspension ; • Les agents tensioactifs ou surfactants ; et • Formation des CRUD
  • 4. CONCEPTS ET MÉCANISMES • ADSORPTION • ACTIVATION • REGENERATION DE LA PHASE ORGANIQUE
  • 5. ADSORPTION L’adsorption décrit un phénomène de modification des concentrations à l’interface de deux phases non miscibles. L’adsorption est un processus par lequel un adsorbant solide peut attirer un composant dans un fluide à sa surface et former une fixation via une liaison physique ou chimique, donc, retirer le composant de la phase fluide.